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MiCOM P139 Feeder Management and Bay Control P139/EN M/R-21-A Version P139 -313 -420/421/422 -651 Technical Manual Volume 1 of 2

Feeder Management and Bay Control P139/EN M/R-21-A …...MiCOM P139 Feeder Management and Bay Control P139/EN M/R-21-A Version P139 -313 -420/421/422 -651 Technical Manual Volume 1

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  • MiCOM P139

    Feeder Management and Bay Control

    P139/EN M/R-21-A

    Version P139 -313 -420/421/422 -651

    Technical Manual

    Volume 1 of 2

  • General Note on the PDF Version of this Technical ManualAll entries in the Table of Contents and all cross-references to other sections,figures etc. in green letters are hyperlinks, i.e. by a single mouse click on thereference one can navigate directly to the referenced part of the manual.In the Adobe Reader (or the Acrobat Pro), one can return back to the previousview by using the menu point View / Page Navigation / Previous View (keyboardshortcut: ALT + Left cursor key). (It might be necessary to do this several times,if the view at the target location has also been changed (e.g. by scrolling orchanging the zoom setting).

  • Warning!⚫ When electrical equipment is in operation dangerous voltage will be present in

    certain parts of the equipment. Failure to observe warning notices, incorrectuse or improper use may endanger personnel and equipment and causepersonal injury or physical damage.Before working in the terminal strip area, the P139 must be isolated. Wherestranded conductors are used, insulated crimped wire end ferrules must beemployed.The signals MAIN: Blocked/faulty and SFMON: Warning (LED)(permanently assigned to the LEDs labeled OUT OF SERVICE and ALARM) canbe assigned to output relays to indicate the health of the P139. SchneiderElectric strongly recommends that these output relays are hardwired into thesubstation's automation system, for alarm purposes.Any modifications to this P139 must be in accordance with the manual. If anyother modification is made without the express permission of SchneiderElectric, it will invalidate the warranty, and may render the product unsafe.Proper and safe operation of this P139 depends on appropriate shipping andhandling, proper storage, installation and commissioning, and on carefuloperation, maintenance and servicing.For this reason only qualified personnel may work on or operate this P139.The User should be familiar with the warnings in the Safety Guide(SFTY/4LM/G11 or later version), with the warnings in Chapter 5, (p. 5-1),Chapter 10, (p. 10-1), Chapter 11, (p. 11-1) and Chapter 12, (p. 12-1)and with the content of Chapter 14, (p. 14-1), before working on theequipment. If the warnings are disregarded, it will invalidate the warranty, andmay render the product unsafe.Installation of the DHMI:A protective conductor (ground/earth) of at least 1.5 mm² (US:  AWG14 orthicker) must be connected to the DHMI protective conductor terminal to linkthe DHMI and the main relay case; these must be located within the samesubstation.To avoid the risk of electric shock the DHMI communication cable must not bein contact with hazardous live parts.The DHMI communication cable must not be routed or placed alongside high-voltage cables or connections. Currents can be induced in the cable whichmay result in electromagnetic interference.

    Qualified Personnelare individuals who

    ● are familiar with the installation, commissioning and operation of the P139and of the system to which it is being connected;

    ● are able to perform switching operations in accordance with safetyengineering standards and are authorized to energize and de-energizeequipment and to isolate, ground and label it;

    ● are trained in the care and use of safety apparatus in accordance withsafety engineering standards;

    ● are trained in emergency procedures (first aid).

  • NoteThis operating manual gives instructions for installation, commissioning andoperation of the P139. However, the manual cannot cover all conceivablecircumstances or include detailed information on all topics. In the event ofquestions or specific problems, do not take any action without properauthorization. Contact the appropriate technical sales office of Schneider Electricand request the necessary information.Any agreements, commitments, and legal relationships and any obligations onthe part of Schneider Electric, including settlement of warranties, result solelyfrom the applicable purchase contract, which is not affected by the contents ofthe operating manual.

  • Changes after going to press

  • TABLE OF CONTENTS

    1 APPLICATION AND SCOPE ................................................................................... 1-11.1 Overview .....................................................................................................................1-11.2 General Functions ....................................................................................................... 1-61.3 Control Functions ........................................................................................................1-71.4 Global Functions ......................................................................................................... 1-81.5 Design .........................................................................................................................1-91.6 Inputs and Outputs ................................................................................................... 1-101.7 Control and Display ...................................................................................................1-111.8 Information Interfaces ...............................................................................................1-12

    2 TECHNICAL DATA ................................................................................................2-12.1 Conformity .................................................................................................................. 2-12.2 General Data ...............................................................................................................2-22.2.1 General Device Data ..................................................................................................................................... 2-22.3 Tests ........................................................................................................................... 2-42.3.1 Type Tests ..................................................................................................................................................... 2-42.3.2 Routine Tests .................................................................................................................................................2-72.4 Environmental Conditions ...........................................................................................2-92.5 Inputs and Outputs ................................................................................................... 2-102.5.1 Measuring Inputs .........................................................................................................................................2-102.5.2 Binary Signal Inputs .....................................................................................................................................2-112.5.3 IRIG‑B Interface ........................................................................................................................................... 2-122.5.4 Direct Current Input .....................................................................................................................................2-122.5.5 Resistance Thermometer ............................................................................................................................ 2-122.5.6 Direct Current Output ..................................................................................................................................2-122.5.7 Output Relays ..............................................................................................................................................2-132.5.8 BCD Measured Data Output ........................................................................................................................ 2-132.6 Interfaces ..................................................................................................................2-142.6.1 Local Control Panel ......................................................................................................................................2-142.6.2 PC Interface .................................................................................................................................................2-142.6.3 Serial Communication Interface .................................................................................................................. 2-142.6.4 IEC Communication Interface ...................................................................................................................... 2-152.6.5 IRIG‑B Interface ........................................................................................................................................... 2-162.7 Information Output ................................................................................................... 2-172.8 Settings – Typical Characteristic Data .......................................................................2-182.8.1 Main Function .............................................................................................................................................. 2-182.8.2 Definite-Time and Inverse-Time Overcurrent Protection ............................................................................. 2-182.8.3 Short-Circuit Direction Determination ......................................................................................................... 2-182.8.4 Time-Voltage Protection .............................................................................................................................. 2-182.8.5 Power Directional Protection ....................................................................................................................... 2-182.9 Deviations .................................................................................................................2-192.9.1 Deviations of the Operate Values ................................................................................................................2-192.9.2 Deviations of the Timer Stages ................................................................................................................... 2-202.9.3 Deviations of Measured Data Acquisition .................................................................................................... 2-212.10 Resolution of the Fault Data Acquisition ................................................................... 2-232.10.1 Time Resolution ...........................................................................................................................................2-232.10.2 Phase Currents System ............................................................................................................................... 2-232.10.3 Neutral Current ............................................................................................................................................2-232.10.4 Phase-to-Ground Voltages and Neutral-Point Displacement Voltage ...........................................................2-23

    P139

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  • 2.11 Recording Functions ................................................................................................. 2-242.11.1 Organization of the Recording Memories .................................................................................................... 2-242.12 Power Supply ............................................................................................................ 2-262.13 Current Transformer Specifications .......................................................................... 2-272.13.1 Symbols .......................................................................................................................................................2-272.13.2 General Equations ....................................................................................................................................... 2-292.13.3 Overcurrent Protection ................................................................................................................................ 2-29

    3 OPERATION ......................................................................................................... 3-13.1 Modular Structure ....................................................................................................... 3-13.2 Operator-Machine Communication ............................................................................. 3-33.3 Configuration of the Bay Panel and of the Measured Value Panels, Selection of the

    Control Point (Function Group LOC) ............................................................................ 3-43.3.1 Bay Panel .......................................................................................................................................................3-53.3.2 Signal Panel ...................................................................................................................................................3-83.3.3 Operation Panel .............................................................................................................................................3-93.3.4 Fault Panel ...................................................................................................................................................3-103.3.5 Ground Fault Panel ...................................................................................................................................... 3-113.3.6 Overload Panel ............................................................................................................................................ 3-123.3.7 Selection of the Control Point ...................................................................................................................... 3-133.3.8 Configurable Clear Key ................................................................................................................................3-133.4 Serial Interfaces ........................................................................................................3-143.4.1 PC Interface (Function Group PC) ................................................................................................................ 3-153.4.2 Communication Interface 1 (Function Group COMM1) ................................................................................ 3-163.4.3 Communication Interface 2 (Function Group COMM2) ................................................................................ 3-253.4.4 Communication Interface 3 (Function Group COMM3) ................................................................................ 3-273.4.5 Communication Interface IEC 61850 (Function Groups IEC, GOOSE and GSSE) .......................................... 3-323.5 IRIG-B Clock Synchronization (Function Group IRIGB) ...............................................3-483.6 Configuration and Operating Mode of the Binary Inputs (Function Group INP) ......... 3-493.7 Measured Data Input (Function Group MEASI) .......................................................... 3-513.7.1 Direct Current Input on the Analog (I/O) Module Y ...................................................................................... 3-523.7.2 Connecting a Resistance Thermometer to the “PT 100 Analog Input” on the Analog (I/O) Module Y .......... 3-553.7.3 Connecting Temperature Sensors to the Temperature P/C Board (the RTD Module) .................................. 3-563.8 Configuration, Operating Mode, and Blocking of the Output Relays (Function Group

    OUTP) ........................................................................................................................3-593.9 Measured Data Output (Function Group MEASO) ......................................................3-623.9.1 General Settings ..........................................................................................................................................3-623.9.2 BCD Measured Data Output ........................................................................................................................ 3-643.9.3 Analog Measured Data Output .................................................................................................................... 3-683.9.4 Output of “External” Measured Data ...........................................................................................................3-743.10 Configuration and Operating Mode of the LED Indicators (Function Group LED) ...... 3-753.10.1 Configuring the LED Indicators .................................................................................................................... 3-753.10.2 Layout of the LED indicators ........................................................................................................................3-753.10.3 Operating Mode of the LED Indicators .........................................................................................................3-763.11 Main Functions of the P139 (Function Group MAIN) .................................................. 3-793.11.1 Conditioning of the Measured Variables ...................................................................................................... 3-793.11.2 Phase Reversal Function ..............................................................................................................................3-813.11.3 Operating Data Measurement ..................................................................................................................... 3-823.11.4 Configuring and Enabling the Device Functions .......................................................................................... 3-973.11.5 Activation of “Dynamic Parameters” ......................................................................................................... 3-1003.11.6 Current Flow Monitoring ............................................................................................................................ 3-1003.11.7 Inrush Stabilization (Harmonic Restraint) ..................................................................................................3-1013.11.8 Function Blocks ......................................................................................................................................... 3-103

    P139 Table of Contents

    2 P139/EN M/R-21-A // P139-313-651

  • 3.11.9 Multiple Blocking ....................................................................................................................................... 3-1043.11.10 Blocked/Faulty ...........................................................................................................................................3-1053.11.11 Coupling between Control and Protection for the CB Closed Signal .......................................................... 3-1053.11.12 Monitoring and Processing of CB Status Signals ........................................................................................3-1063.11.13 Close Command ........................................................................................................................................ 3-1083.11.14 Multiple Signaling ...................................................................................................................................... 3-1103.11.15 Ground Fault Signaling .............................................................................................................................. 3-1113.11.16 Starting Signals and Tripping Logic ........................................................................................................... 3-1123.11.17 CB Trip Signal ............................................................................................................................................ 3-1193.11.18 Communication Error .................................................................................................................................3-1213.11.19 Time Tagging and Clock Synchronization ..................................................................................................3-1213.11.20 Resetting Actions .......................................................................................................................................3-1233.11.21 Assigning Communications Interfaces to Physical Communications Channels ..........................................3-1263.11.22 Test Mode ..................................................................................................................................................3-1273.12 Parameter Subset Selection (Function Group PSS) ................................................. 3-1283.13 Self-Monitoring (Function Group SFMON) ................................................................3-1303.13.1 Tests During Start-up ................................................................................................................................ 3-1303.13.2 Cyclic Tests ................................................................................................................................................3-1303.13.3 Signal ........................................................................................................................................................ 3-1303.13.4 Device Response ....................................................................................................................................... 3-1313.13.5 Monitoring Signal Memory .........................................................................................................................3-1323.13.6 Monitoring Signal Memory Time Tag ......................................................................................................... 3-1323.14 Operating Data Recording (Function Group OP_RC) ............................................... 3-1333.15 Monitoring Signal Recording (Function Group MT_RC) ............................................3-1343.16 Overload Data Acquisition (Function Group OL_DA) ............................................... 3-1353.16.1 Overload Duration ..................................................................................................................................... 3-1353.16.2 Acquiring Measured Overload Data from the Motor Protection ................................................................. 3-1353.16.3 Acquiring Measured Overload Data from the Thermal Overload Protection .............................................. 3-1363.17 Overload Recording (Function Group OL_RC) ..........................................................3-1373.17.1 Start of Overload Recording ...................................................................................................................... 3-1373.17.2 Counting Overload Events .........................................................................................................................3-1373.17.3 Time Tagging .............................................................................................................................................3-1373.17.4 Overload Logging ...................................................................................................................................... 3-1383.18 Ground Fault Data Acquisition (Function Group GF_DA) ......................................... 3-1393.18.1 Resetting Measured Ground Fault Data .....................................................................................................3-1393.18.2 Duration of Ground Fault Recording .......................................................................................................... 3-1393.18.3 Measured Ground Fault Data from Steady-State Value Evaluation ........................................................... 3-1403.18.4 Measured Ground Fault Data from Steady-State Power Evaluation ...........................................................3-1423.18.5 Measured Ground Fault Data from Admittance Evaluation ........................................................................3-1433.19 Ground Fault Recording (Function Group GF_RC) ................................................... 3-1453.19.1 Start Ground Fault Recording .................................................................................................................... 3-1453.19.2 Counting Ground Fault Events ...................................................................................................................3-1453.19.3 Time Tagging .............................................................................................................................................3-1453.19.4 Ground Fault Logging ................................................................................................................................ 3-1463.20 Fault Data Acquisition (Function Group FT_DA) ...................................................... 3-1473.20.1 Running Time and Fault Duration ..............................................................................................................3-1473.20.2 Fault Data Acquisition Time .......................................................................................................................3-1483.20.3 Acquisition of Fault Data ........................................................................................................................... 3-1483.20.4 Acquisition of Fault Location ......................................................................................................................3-1533.20.5 Fault Data Reset ........................................................................................................................................3-1533.21 Fault Recording (Function Group FT_RC) ................................................................ 3-1543.21.1 Start of Fault Recording .............................................................................................................................3-1543.21.2 Fault Counting ........................................................................................................................................... 3-1553.21.3 Time Tagging .............................................................................................................................................3-155

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  • 3.21.4 Fault Recordings ........................................................................................................................................3-1563.21.5 Fault Value Recording ............................................................................................................................... 3-1573.22 Definite-Time Overcurrent Protection (Function Group DTOC) ................................3-1593.22.1 Enabling or Disabling DTOC Protection ......................................................................................................3-1593.22.2 Phase Current Stages ................................................................................................................................ 3-1593.22.3 Negative-Sequence Current Stages ...........................................................................................................3-1653.22.4 Enabling or Disabling DTOC Residual Current Stages ................................................................................3-1673.22.5 Residual Current Stages ............................................................................................................................ 3-1673.22.6 Selecting the Measured Variable ...............................................................................................................3-1683.22.7 Hold-Time Logic for Intermittent Ground Faults ........................................................................................ 3-1713.23 Inverse-Time Overcurrent Protection (Function Groups IDMT1 and IDMT2) ............3-1743.23.1 Disabling and Enabling IDMT Protection ....................................................................................................3-1743.23.2 Time-Dependent Characteristics ............................................................................................................... 3-1753.23.3 Enable Thresholds ..................................................................................................................................... 3-1793.23.4 Phase Current Stage ..................................................................................................................................3-1813.23.5 Negative-Sequence Current Stage ............................................................................................................ 3-1853.23.6 Selecting the Measured Variable for the Residual Current Stage .............................................................. 3-1873.23.7 Residual Current Stage ..............................................................................................................................3-1873.23.8 Holding Time ............................................................................................................................................. 3-1903.24 Short-Circuit Direction Determination (Function Group SCDD) ............................... 3-1923.24.1 Enable/disable the Short-Circuit Direction Determination ......................................................................... 3-1923.24.2 Phase Current Stages ................................................................................................................................ 3-1933.24.3 Enabling for Phase Current Stages ............................................................................................................ 3-1943.24.4 Forming the Blocking Signal for the Phase Current Stages ....................................................................... 3-1963.24.5 Residual Current Stages ............................................................................................................................ 3-1983.24.6 Conditioning and Selecting the Measured Variables ..................................................................................3-1993.24.7 Enabling for Residual Current Stages ........................................................................................................ 3-1993.24.8 Forming the Blocking Signal for the Residual Current Stages ................................................................... 3-2003.24.9 Signaling Logic .......................................................................................................................................... 3-2033.24.10 Short-Circuit Direction Determination Using Voltage Memory ...................................................................3-2033.25 Switch on to Fault Protection (Function Group SOTF) ............................................. 3-2053.26 Protective Signaling (Function Group PSIG) ............................................................ 3-2073.26.1 Disabling and Enabling Protective Signaling ..............................................................................................3-2073.26.2 Readiness of Protective Signaling ..............................................................................................................3-2083.26.3 Setting up a Communications Link ............................................................................................................ 3-2093.26.4 Operation of Protective Signaling .............................................................................................................. 3-2103.26.5 Monitoring and Testing the DC Loop for PSIG ............................................................................................3-2123.27 Auto-Reclosure Control (Function Group ARC) ........................................................ 3-2133.27.1 ARC Operating Modes ................................................................................................................................3-2153.27.2 Enabling and Disabling the ARC Function ..................................................................................................3-2153.27.3 ARC Blocking ............................................................................................................................................. 3-2173.27.4 ARC Ready to Operate ...............................................................................................................................3-2183.27.5 Tripping Times ...........................................................................................................................................3-2193.27.6 Blocking and Resetting the Tripping Times ............................................................................................... 3-2253.27.7 ARC Cycle ..................................................................................................................................................3-2263.27.8 Blocking the DTOC or IDMT Protection Function, the GFDSS Function, and Programmable Logic ............. 3-2263.27.9 Example of Programmable Logic in the ARC ............................................................................................. 3-2263.27.10 General Control Functions ......................................................................................................................... 3-2273.27.11 High-Speed Reclosure (HSR) ..................................................................................................................... 3-2293.27.12 Joint Operation of the ARC and ASC Functions .......................................................................................... 3-2313.27.13 Test HSR ....................................................................................................................................................3-2333.27.14 Time-Delay Reclosure (TDR) ......................................................................................................................3-2343.27.15 ARC Counters ............................................................................................................................................ 3-2363.27.16 Counter for Number of CB Operations .......................................................................................................3-2363.28 Automatic Synchronism Check (Function Group ASC) ............................................ 3-237

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    4 P139/EN M/R-21-A // P139-313-651

  • 3.28.1 Disabling and Enabling the ASC Function ..................................................................................................3-2373.28.2 ASC Readiness and Blocking ..................................................................................................................... 3-2393.28.3 Close Request ............................................................................................................................................3-2403.28.4 ASC Operating Modes ................................................................................................................................3-2423.28.5 Extended Settings for the Close Enable Conditions ...................................................................................3-2433.28.6 Considering the CB Close Time ..................................................................................................................3-2443.28.7 Voltage-Checked Close Enable .................................................................................................................. 3-2453.28.8 Synchronism-Checked Close Enable ..........................................................................................................3-2483.28.9 Voltage/Synchronism-Checked Close Enable .............................................................................................3-2513.28.10 Testing the ASC Function .......................................................................................................................... 3-2513.28.11 Integrating the ASC Function into the Control and Monitoring of Switchgear Units ...................................3-2533.28.12 Measured Values Obtained by ASC ............................................................................................................3-2543.28.13 ASC Counters .............................................................................................................................................3-2553.29 Ground Fault Direction Determination Using Steady-State Values (Function Group

    GFDSS) ....................................................................................................................3-2563.29.1 Disabling and Enabling Ground Fault Direction Determination Using Steady-State Values .......................3-2563.29.2 Ground Fault Direction Determination Using Steady-State Values Is Ready ............................................. 3-2573.29.3 Conditioning and Selecting the Measured Values ......................................................................................3-2583.29.4 Steady-State Power Evaluation ................................................................................................................. 3-2583.29.5 Steady-State Current Evaluation ............................................................................................................... 3-2633.29.6 Steady-State Admittance ...........................................................................................................................3-2633.29.7 Counting the Ground Faults Detected by Steady-State Power and Admittance Evaluation .......................3-2693.30 Transient Ground Fault Detection (Function Group TGFD) ......................................3-2703.30.1 Disabling and Enabling the Transient Ground Fault Detection Function ....................................................3-2703.30.2 Readiness of the Transient Ground Fault Detection Function ....................................................................3-2713.30.3 Conditioning and Selecting the Measured Values ......................................................................................3-2723.30.4 Determining the Ground Fault Direction ....................................................................................................3-2723.30.5 Resetting a Directional Decision ................................................................................................................3-2743.30.6 Monitoring the Measured Values ............................................................................................................... 3-2753.30.7 Counting the Transient Ground Faults .......................................................................................................3-2753.31 Motor Protection (Function Group MP) .................................................................... 3-2763.31.1 Enable/Disable the Motor Protection Function ...........................................................................................3-2763.31.2 Starting Conditions ....................................................................................................................................3-2773.31.3 Overload Protection ...................................................................................................................................3-2783.31.4 Exceptional Overload Protection Cases ..................................................................................................... 3-2873.31.5 Low Load Protection .................................................................................................................................. 3-2903.31.6 Protection of Increased-Safety Machines ...................................................................................................3-2903.31.7 Running Time Meter .................................................................................................................................. 3-2933.32 Thermal Overload Protection (Function Group THERM) .......................................... 3-2943.32.1 Readiness of Thermal Overload Protection ................................................................................................3-2943.32.2 Operating Modes ....................................................................................................................................... 3-2943.32.3 Coolant Temperature Effect ...................................................................................................................... 3-2953.32.4 Thermal Overload Protection Operation without Coolant Temperature (Ambient) Acquisition ..................3-2963.32.5 Relative Replica .........................................................................................................................................3-2973.32.6 Absolute Replica ........................................................................................................................................3-2983.32.7 Tripping Characteristics .............................................................................................................................3-2993.32.8 Warning Signal .......................................................................................................................................... 3-3003.32.9 Trip ............................................................................................................................................................ 3-3003.32.10 Cooling ...................................................................................................................................................... 3-3003.32.11 Operation Together with the Motor Protection Function ............................................................................3-3023.32.12 Resetting ................................................................................................................................................... 3-3023.33 Unbalance Protection (Function Group I2>) ............................................................3-3033.33.1 Disabling and Enabling the Unbalance Protection Function .......................................................................3-3033.33.2 Functional Description ...............................................................................................................................3-3043.34 Under and Overvoltage Protection (Function Group V) ......................................3-305

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  • 3.34.1 Disabling and Enabling V Protection .....................................................................................................3-3053.34.2 V Protection Readiness .........................................................................................................................3-3053.34.3 Minimum Current Monitoring .....................................................................................................................3-3063.34.4 Monitoring the Phase Voltages .................................................................................................................. 3-3073.34.5 Monitoring the Positive- and Negative-Sequence Voltages ....................................................................... 3-3123.34.6 Monitoring the Neutral-Point Displacement Voltage ..................................................................................3-3163.34.7 Monitoring the Reference Voltage ............................................................................................................. 3-3163.35 Over-/Underfrequency Protection (Function Group f) ........................................ 3-3193.35.1 Disabling or Enabling Over‑/Underfrequency Protection ............................................................................3-3193.35.2 Selecting the Measuring Voltage ...............................................................................................................3-3203.35.3 Undervoltage Blocking and Evaluation Time ............................................................................................. 3-3213.35.4 Operating Modes of Over-/Underfrequency Protection .............................................................................. 3-3213.35.5 Frequency Monitoring ................................................................................................................................3-3213.35.6 Frequency Monitoring Combined with Differential Frequency Gradient Monitoring (df/dt) ........................3-3223.35.7 Frequency Monitoring Combined with Mean Frequency Gradient Monitoring (Δf/Δt) ................................ 3-3223.35.8 fmin-/fmax Measurement ............................................................................................................................. 3-325

    3.36 Directional Power Protection (Function Group P) ............................................... 3-3263.36.1 Disabling and Enabling P Protection .....................................................................................................3-3263.36.2 Power Determination .................................................................................................................................3-3263.36.3 Power Monitoring .......................................................................................................................................3-3273.36.4 Active Power Monitoring when Set Thresholds are Exceeded ................................................................... 3-3283.36.5 Active Power Direction when Set Thresholds are Exceeded ...................................................................... 3-3293.36.6 Reactive Power Monitoring when Set Thresholds are Exceeded ................................................................3-3303.36.7 Reactive Power Direction when Set Thresholds are Exceeded .................................................................. 3-3313.36.8 Active Power Monitoring when Values Fall Below Set Thresholds ..............................................................3-3323.36.9 Active Power Direction when Values Fall Below Set Thresholds ................................................................ 3-3343.36.10 Reactive Power Monitoring when Values Fall Below Set Thresholds ..........................................................3-3373.36.11 Reactive Power Direction when Values Fall Below Set Thresholds ............................................................ 3-3383.36.12 Starting Signal with Direction ....................................................................................................................3-3413.37 Circuit Breaker Failure Protection (Function Group CBF) ........................................ 3-3423.37.1 Disabling and Enabling Circuit Breaker Failure Protection .........................................................................3-3423.37.2 Readiness of Circuit Breaker Protection .................................................................................................... 3-3433.37.3 Detecting a CB Tripping .............................................................................................................................3-3433.37.4 Current Flow Monitoring ............................................................................................................................ 3-3443.37.5 Evaluation of CB Status Signals .................................................................................................................3-3453.37.6 Startup Criteria ..........................................................................................................................................3-3463.37.7 Timer Stages and Output Logic ................................................................................................................. 3-3463.37.8 Trip Commands ......................................................................................................................................... 3-3483.37.9 Starting Trigger ......................................................................................................................................... 3-3493.37.10 Fault Behind CB Protection ........................................................................................................................3-3493.37.11 CB Synchronization Supervision ................................................................................................................ 3-3503.38 Circuit Breaker Monitoring (Function Group CBM) .................................................. 3-3513.38.1 Disabling and Enabling Circuit Breaker Monitoring ....................................................................................3-3513.38.2 Variants ..................................................................................................................................................... 3-3513.38.3 CB Wear Characteristic ..............................................................................................................................3-3523.38.4 Calculating the CB Wear State .................................................................................................................. 3-3533.38.5 Operating Modes ....................................................................................................................................... 3-3533.38.6 Cycle for Circuit Breaker Monitoring ..........................................................................................................3-3533.38.7 Linking Control Functions with the Trip Command .................................................................................... 3-3543.38.8 Pole-Selective Counter Values and Measured Values ................................................................................ 3-3553.38.9 Resetting Measured Values ....................................................................................................................... 3-3563.38.10 Setting Measured Values ...........................................................................................................................3-3563.38.11 Monitoring the Number of CB Operations ..................................................................................................3-3583.38.12 Monitoring Ruptured Currents ................................................................................................................... 3-3583.38.13 Blocking Circuit Breaker Monitoring .......................................................................................................... 3-359

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  • 3.39 Measuring-Circuit Monitoring (Function Group MCMON) .........................................3-3603.39.1 Current Monitoring .................................................................................................................................... 3-3603.39.2 Voltage Monitoring .................................................................................................................................... 3-3613.39.3 Phase-Sequence Monitoring ...................................................................................................................... 3-3623.39.4 “Fuse Failure” Monitoring of the Reference Voltage ..................................................................................3-3643.40 Limit Value Monitoring (Function Group LIMIT) ....................................................... 3-3653.40.1 Enable/Disable the Limit Value Monitoring Function ................................................................................. 3-3653.40.2 Monitoring Phase Currents and Phase Voltages ........................................................................................ 3-3653.40.3 Monitoring the Neutral-Point Displacement Voltage ..................................................................................3-3683.40.4 Monitoring the Linearized Measured DC Values ........................................................................................ 3-3693.40.5 Monitoring the Reference Voltage ............................................................................................................. 3-3703.40.6 Monitoring the Measured “PT 100” Temperature Value ............................................................................ 3-3713.40.7 Monitoring the Measured Temperature Values T1 to T9 ............................................................................3-3723.40.8 Open Circuit PT 100 ...................................................................................................................................3-3733.40.9 Backup Sensors ......................................................................................................................................... 3-3733.40.10 2-out-of-3 Monitoring .................................................................................................................................3-3733.40.11 Application Example ..................................................................................................................................3-3763.41 Programmable Logic (Function Groups LOGIC and LOG_2) .....................................3-3773.42 Control and Monitoring of Switchgear Units (Function Groups DEV01 to DEV10) ... 3-3853.42.1 Enable for Switch Commands Issued by the Control Functions ................................................................. 3-3853.42.2 Designation of External Devices ................................................................................................................3-3873.42.3 Bay Type Selection ....................................................................................................................................3-3883.42.4 Defining a Bay Panel Type .........................................................................................................................3-3893.42.5 Processing Status Signals from Manually Operated Switchgear Units .......................................................3-3903.42.6 Functional Sequence for Controllable Switchgear Units ............................................................................ 3-3923.42.7 Direct Motor Control .................................................................................................................................. 3-4043.43 Three Position Drive (Function Groups TPDx) ......................................................... 3-4133.43.1 Setting up a Three Position Drive .............................................................................................................. 3-4133.43.2 Monitoring and Control ..............................................................................................................................3-4133.44 Interlocking Logic (Function Group ILOCK) ..............................................................3-4153.44.1 IEC 61850 Reporting ..................................................................................................................................3-4163.45 Single-Pole Commands (Function Group CMD_1) ....................................................3-4173.46 Single-Pole Signals (Function Group SIG_1) ............................................................ 3-4183.46.1 Acquisition of Binary Signals for Control ....................................................................................................3-4203.47 Binary Counts (Function Group COUNT) ..................................................................3-4233.47.1 Enable/Disable the Counting Function .......................................................................................................3-4233.47.2 Debouncing ............................................................................................................................................... 3-4233.47.3 Counting Function ..................................................................................................................................... 3-4233.47.4 Transmitting the Counter Values via Communications Interface ...............................................................3-4243.47.5 Counter Values Reset ................................................................................................................................ 3-424

    4 DESIGN ............................................................................................................... 4-14.1 Designs ....................................................................................................................... 4-24.2 Dimensional Drawings ................................................................................................ 4-44.2.1 Dimensional Drawings for the 40 TE Case .....................................................................................................4-44.2.2 Dimensional Drawings for the 84 TE Case .....................................................................................................4-54.2.3 Detachable HMI ............................................................................................................................................. 4-74.3 Hardware Modules ...................................................................................................... 4-8

    5 INSTALLATION AND CONNECTION .......................................................................5-15.1 Unpacking and Packing ...............................................................................................5-25.2 Checking Nominal Data and Design Type ................................................................... 5-3

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  • 5.3 Location Requirements ............................................................................................... 5-45.3.1 Environmental Conditions ..............................................................................................................................5-45.3.2 Mechanical Conditions ...................................................................................................................................5-45.3.3 Electrical Conditions for Auxiliary Voltage of the Power Supply .................................................................... 5-45.3.4 Electromagnetic Conditions ...........................................................................................................................5-45.4 Installation .................................................................................................................. 5-55.5 Protective and Operational Grounding ......................................................................5-115.6 Connection ................................................................................................................5-125.6.1 Connecting Measuring and Auxiliary Circuits .............................................................................................. 5-125.6.2 Connecting the IRIG‑B Interface .................................................................................................................. 5-185.6.3 Connecting the Serial Interfaces ................................................................................................................. 5-195.7 Location and Connection Diagrams .......................................................................... 5-225.7.1 Location Diagrams .......................................................................................................................................5-225.7.2 Terminal Connection Diagrams P139‑420/421/422 ..................................................................................... 5-22

    6 LOCAL CONTROL (HMI) ....................................................................................... 6-16.1 Local Control Panel (HMI) ............................................................................................6-16.2 Display and Keypad .................................................................................................... 6-26.2.1 Graphic Display ............................................................................................................................................. 6-26.2.2 Display Illumination .......................................................................................................................................6-26.2.3 Contrast of the Display ..................................................................................................................................6-26.2.4 Short Description of Keys .............................................................................................................................. 6-36.3 Display Levels .............................................................................................................6-66.4 Availability of the Bay Panel ....................................................................................... 6-76.5 Display Panels on the Graphic Display ........................................................................6-86.6 Menu Tree and Data Points .........................................................................................6-96.7 List Data Points ......................................................................................................... 6-106.8 Note Concerning the Step-by-Step Descriptions ....................................................... 6-116.9 Changing Between Display Levels ............................................................................ 6-126.10 Control at Panel Level ............................................................................................... 6-136.10.1 Bay Panel .....................................................................................................................................................6-136.10.2 Signal Panel(s) .............................................................................................................................................6-236.10.3 Measured Value Panels on the Graphic Display ...........................................................................................6-266.10.4 Event Panel on the Graphic Display .............................................................................................................6-276.11 Control at the Menu Tree Level .................................................................................6-286.11.1 Navigation in the Menu Tree ....................................................................................................................... 6-286.11.2 Switching Between Address Mode and Plain Text Mode ..............................................................................6-296.11.3 Change-Enabling Function ...........................................................................................................................6-306.11.4 Changing Parameters .................................................................................................................................. 6-336.11.5 List Parameters ........................................................................................................................................... 6-346.11.6 Memory Readout ......................................................................................................................................... 6-376.11.7 Resetting ..................................................................................................................................................... 6-406.11.8 Password-Protected Control Actions ............................................................................................................6-416.11.9 Changing the Password ............................................................................................................................... 6-43

    7 SETTINGS ............................................................................................................7-17.1 Parameters .............................................................................................................. 7-17.1.1 Device Ident i f icat ion ............................................................................................................................. 7-47.1.2 Conf igurat ion Parameters .................................................................................................................. 7-137.1.3 Funct ion Parameters ..........................................................................................................................7-112

    8 INFORMATION AND CONTROL FUNCTIONS ......................................................... 8-1

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  • 8.1 Operation ................................................................................................................. 8-18.1.1 Cycl ic Values ............................................................................................................................................ 8-18.1.2 Contro l and Test ing ............................................................................................................................8-1538.1.3 Operat ing Data Recording ................................................................................................................8-1708.2 Events ................................................................................................................... 8-1718.2.1 Event Counters .................................................................................................................................... 8-1718.2.2 Measured Event Data .........................................................................................................................8-1808.2.3 Event Recording .................................................................................................................................. 8-188

    9 IEC 61850 SETTINGS VIA IED CONFIGURATOR ....................................................9-19.1 Manage IED .................................................................................................................9-29.2 IED Details .................................................................................................................. 9-39.3 Communications ......................................................................................................... 9-49.4 SNTP ........................................................................................................................... 9-59.4.1 General Config ...............................................................................................................................................9-59.4.2 External Server 1 ...........................................................................................................................................9-59.4.3 External Server 2 ...........................................................................................................................................9-59.5 Dataset Definitions ..................................................................................................... 9-69.6 GOOSE Publishing ....................................................................................................... 9-79.6.1 System/LLN0 ................................................................................................................................................. 9-79.7 GOOSE Subscribing .....................................................................................................9-99.7.1 Mapped Inputs ...............................................................................................................................................9-99.8 Report Control Blocks ............................................................................................... 9-129.8.1 System/LLN0 ............................................................................................................................................... 9-129.9 Controls .....................................................................................................................9-139.9.1 Control Objects ............................................................................................................................................9-139.9.2 Uniqueness of Control ................................................................................................................................. 9-139.10 Measurements .......................................................................................................... 9-159.11 Configurable Data Attributes .................................................................................... 9-169.11.1 System/LLN0 ............................................................................................................................................... 9-16

    10 COMMISSIONING ...............................................................................................10-110.1 Safety Instructions .................................................................................................... 10-110.2 Commissioning Tests ................................................................................................ 10-310.2.1 Preparation ..................................................................................................................................................10-310.2.2 Tests ............................................................................................................................................................10-510.2.3 Checking the Binary Signal Inputs ...............................................................................................................10-510.2.4 Checking the Output Relays ........................................................................................................................ 10-510.2.5 Checking the Current-Measuring Inputs ...................................................................................................... 10-710.2.6 Checking the Protection Function ................................................................................................................10-710.2.7 Checking the Correct Phase Connection of Current and Voltage Transformers with Load Current ............. 10-710.2.8 Checking the Correct Phase Connection of the Residual Current Transformer with Load Current .............. 10-810.2.9 Simple Check of the Correct Phase Connection of the Residual Current Transformer with Load Current

    ..................................................................................................................................................................... 10-810.2.10 Checking the Definite-Time Overcurrent Protection Function ................................................................... 10-1010.2.11 Checking the Inverse-Time Overcurrent Protection Function .................................................................... 10-1010.2.12 Checking the Short-Circuit Direction Determination: Direction of the Phase Current Stages .................... 10-1110.2.13 Short-Circuit Direction Determination: Checking the Direction of the Residual Current Stages ................ 10-1110.2.14 Checking Protective Signaling ................................................................................................................... 10-1210.2.15 Checking the Auto-Reclosing Function ...................................................................................................... 10-1210.2.16 Checking the Motor Protection Function ....................................................................................................10-1310.2.17 Checking the Thermal Overload Protection Function .................................................................................10-1310.2.18 Checking the Time-Voltage Protection Function ........................................................................................10-14

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  • 10.2.19 Checking the Steady-State-Power Ground Fault Direction Detection ........................................................ 10-1510.2.20 Ancillary Circuit for Systems with Ground Fault Compensation .................................................................10-1510.2.21 Ancillary Circuit for Isolated Neutral-Point Systems ...................................................................................10-1810.2.22 Checking the Transient Ground Fault Direction Determination ................................................................. 10-2010.2.23 Checking Control Functions .......................................................................................................................10-2010.2.24 Completing Commissioning .......................................................................................................................10-21

    11 TROUBLESHOOTING ..........................................................................................11-1

    12 MAINTENANCE .................................................................................................. 12-112.1 Maintenance Procedures in the Power Supply Area .................................................. 12-212.2 Routine Functional Testing ....................................................................................... 12-312.3 Analog Input Circuits .................................................................................................12-412.4 Binary Opto Inputs .................................................................................................... 12-512.5 Binary Outputs ..........................................................................................................12-612.6 Serial Interfaces ........................................................................................................12-7

    13 STORAGE .......................................................................................................... 13-1

    14 ACCESSORIES AND SPARE PARTS ..................................................................... 14-1

    15 ORDER INFORMATION .......................................................................................15-1

    A1 FUNCTION GROUPS ...........................................................................................A1-1

    A2 INTERNAL SIGNALS ...........................................................................................A2-1

    A3 GLOSSARY ........................................................................................................ A3-1Modules ...................................................................................................................................... A3-1Symbols ......................................................................................................................................A3-1Examples of Signal Names ......................................................................................................... A3-7Symbols Used ............................................................................................................................. A3-8

    A4 TELECONTROL INTERFACES ..............................................................................A4-1A4.1 Telecontrol Interface per EN 60870-5-101 or IEC 870-5-101 (Companion Standard)

    .................................................................................................................................. A4-1A4.1.1 Interoperability ............................................................................................................................................A4-1A4.2 Communication Interface per IEC 60870-5-103 ........................................................A4-9A4.2.1 Interoperability ............................................................................................................................................A4-9

    A5 KEY TO THE LIST OF BAY TYPES ........................................................................A5-1

    A6 LIST OF BAY TYPES ........................................................................................... A6-1A6.1 Bay type No. 2 Feeder bay with circuit breaker, single busbar ............................................... A6-1A6.2 Bay type No. 3 Feeder bay with circuit breaker, single busbar ............................................... A6-2A6.3 Bay type No. 546 Feeder bay with circuit breaker, single busbar, direct motor control .................A6-3A6.4 Bay type No. 4 Feeder bay with circuit breaker, single busbar ............................................... A6-4A6.5 Bay type No. 5 Feeder bay with circuit breaker, single busbar ............................................... A6-5A6.6 Bay type No. 6 Feeder bay with circuit breaker, single busbar ............................................... A6-6A6.7 Bay type No. 523 Feeder bay with circuit breaker, single busbar ........................................... A6-7A6.8 Bay type No. 549 Feeder bay with circuit breaker, single busbar, direct motor control .................A6-8

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  • A6.9 Bay type No. 244 Feeder bay with circuit breaker, single busbar ........................................... A6-9A6.10 Bay type No. 544 Feeder bay with circuit breaker, single busbar ......................................... A6-10A6.11 Bay type No. 567 Feeder bay with circuit breaker, single busbar ......................................... A6-11A6.12 Bay type No. 521 Feeder bay with circuit breaker, single busbar ......................................... A6-12A6.13 Bay type No. 519 Feeder bay with circuit breaker, single busbar ......................................... A6-13A6.14 Bay type No. 7 Feeder bay with switch disconnector, single busbar .......................................A6-14A6.15 Bay type No. 8 Feeder bay with switch disconnector, single busbar .......................................A6-15A6.16 Bay type No. 9 Feeder bay with switch disconnector, single busbar .......................................A6-16A6.17 Bay type No. 10 Feeder bay with switch disconnector, single busbar .....................................A6-17A6.18 Bay type No. 11 Feeder bay with switch disconnector, single busbar .....................................A6-18A6.19 Bay type No. 12 Feeder bay with switch disconnector / fuse unit, single busbar ....................... A6-19A6.20 Bay type No. 13 Feeder bay with switch disconnector / fuse unit, single busbar ....................... A6-20A6.21 Bay type No. 14 Feeder bay with switch disconnector / fuse unit, single busbar ....................... A6-21A6.22 Bay type No. 15 Feeder bay with switch disconnector / fuse unit, single busbar ....................... A6-22A6.23 Bay type No. 16 Feeder bay with switch disconnector / fuse unit, single busbar ....................... A6-23A6.24 Bay type No. 17 Feeder bay with other switchgear unit, single busbar ...................................A6-24A6.25 Bay type No. 504 Feeder bay with other switchgear unit, single busbar .................................A6-25A6.26 Bay type No. 541 Feeder bay with circuit breaker, single busbar ......................................... A6-26A6.27 Bay type No. 18 Feeder bay with circuit breaker, single busbar, direct motor control .................A6-27A6.28 Bay type No. 19 Feeder bay with circuit breaker, single busbar ........................................... A6-28A6.29 Bay type No. 20 Feeder bay with circuit breaker, single busbar ........................................... A6-29A6.30 Bay type No. 21 Feeder bay with circuit breaker, single busbar ........................................... A6-30A6.31 Bay type No. 557 Feeder bay with circuit breaker, single busbar ......................................... A6-31A6.32 Bay type No. 22 Feeder bay with circuit breaker, single busbar, direct motor control .................A6-32A6.33 Bay type No. 23 Feeder bay with circuit breaker, single busbar ........................................... A6-33A6.34 Bay type No. 24 Feeder bay with circuit breaker, single busbar ........................................... A6-34A6.35 Bay type No. 25 Feeder bay with circuit breaker, single busbar ........................................... A6-35A6.36 Bay type No. 508 Feeder bay with circuit breaker, single busbar ......................................... A6-36A6.37 Bay type No. 26 Feeder bay with switch disconnector, single busbar .....................................A6-37A6.38 Bay type No. 27 Feeder bay with switch disconnector, single busbar, direct motor control ..........A6-38A6.39 Bay type No. 28 Feeder bay with switch disconnector, single busbar .....................................A6-39A6.40 Bay type No. 29 Feeder bay with switch disconnector, single busbar .....................................A6-40A6.41 Bay type No. 30 Feeder bay with switch disconnector, single busbar, direct motor control ..........A6-41A6.42 Bay type No. 31 Feeder bay with switch disconnector, single busbar .....................................A6-42A6.43 Bay type No. 32 Feeder bay with switch disconnector, single busbar .....................................A6-43A6.44 Bay type No. 33 Feeder bay with switch disconnector, single busbar .....................................A6-44A6.45 Bay type No. 34 Feeder bay with switch disconnector / fuse unit, single busbar ....................... A6-45A6.46 Bay type No. 35 Feeder bay with switch disconnector / fuse unit, single busbar, direct motor control

    ................................................................................................................................ A6-46A6.47 Bay type No. 36 Feeder bay with switch disconnector / fuse unit, single busbar ....................... A6-47A6.48 Bay type No. 37 Feeder bay with switch disconnector / fuse unit, single busbar ....................... A6-48A6.49 Bay type No. 38 Feeder bay with switch disconnector / fuse unit, single busbar, direct motor control

    ................................................................................................................................ A6-49A6.50 Bay type No. 39 Feeder bay with switch disconnector / fuse unit, single busbar ....................... A6-50A6.51 Bay type No. 40 Feeder bay with switch disconnector / fuse unit, single busbar ....................... A6-51

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  • A6.52 Bay type No. 41 Feeder bay with switch disconnector / fuse unit, single busbar ....................... A6-52A6.53 Bay type No. 503 Feeder bay with switch disconnector / fuse unit, single busbar ..................... A6-53A6.54 Bay type No. 507 Feeder bay with switch disconnector / fuse unit, single busbar ..................... A6-54A6.55 Bay type No. 220 Feeder bay with circuit breaker, single busbar, direct motor control ...............A6-55A6.56 Bay type No. 42 Feeder bay with circuit breaker, single busbar, direct motor control .................A6-56A6.57 Bay type No. 43 Feeder bay with circuit breaker, single busbar ........................................... A6-57A6.58 Bay type No. 221 Feeder bay with circuit breaker, single busbar ......................................... A6-58A6.59 Bay type No. 44 Feeder bay with circuit breaker, single busbar ........................................... A6-59A6.60 Bay type No. 45 Feeder bay with circuit breaker, double busbar, direct motor control ............... A6-60A6.61 Bay type No. 46 Feeder bay with circuit breaker, double busbar .......................................... A6-61A6.62 Bay type No. 47 Feeder bay with circuit breaker, double busbar .......................................... A6-62A6.63 Bay type No. 48 Feeder bay with circuit breaker, double busbar .......................................... A6-63A6.64 Bay type No. 49 Feeder bay with circuit breaker, double busbar, direct motor control ............... A6-64A6.65 Bay type No. 50 Feeder bay with circuit breaker, double busbar .......................................... A6-66A6.66 Bay type No. 51 Feeder bay with circuit breaker, double busbar .......................................... A6-67A6.67 Bay type No. 52 Feeder bay with circuit breaker, double busbar .......................................... A6-68A6.68 Bay type No. 53 Feeder bay with circuit breaker, double busbar .......................................... A6-69A6.69 Bay type No. 526 Feeder bay with circuit breaker, double busbar ........................................ A6-70A6.70 Bay type No. 54 Feeder bay with switch disconnector, double busbar, direct motor control .........A6-71A6.71 Bay type No. 55 Feeder bay with switch disconnector, double busbar ....................................A6-72A6.72 Bay type No. 56 Feeder bay with switch disconnector, double busbar ....................................A6-73A6.73 Bay type No. 57 Feeder bay with switch disconnector, double busbar ....................................A6-74A6.74 Bay type No. 58 Feeder bay with switch disconnector, double busbar, direct motor control .........A6-75A6.75 Bay type No. 59 Feeder bay with switch disconnector, double busbar ....................................A6-77A6.76 Bay type No. 60 Feeder bay with switch disconnector, double busbar ....................................A6-78A6.77 Bay type No. 61 Feeder bay with switch disconnector, double busbar ....................................A6-79A6.78 Bay type No. 62 Feeder bay with switch disconnector, double busbar ....................................A6-80A6.79 Bay type No. 63 Feeder bay with switch disconnector / fuse unit, double busbar, direct motor control

    ................................................................................................................................ A6-81A6.80 Bay type No. 64 Feeder bay with switch disconnector / fuse unit, double busbar ...................... A6-82A6.81 Bay type No. 65 Feeder bay with switch disconnector / fuse unit, double busbar ...................... A6-83A6.82 Bay type No. 66 Feeder bay with switch disconnector / fuse unit, double busbar ...................... A6-84A6.83 Bay type No. 67 Feeder bay with switch disconnector / fuse unit, double busbar, direct motor control

    ................................................................................................................................ A6-85A6.84 Bay type No. 68 Feeder bay with switch disconnector / fuse unit, double busbar ...................... A6-87A6.85 Bay type No. 69 Feeder bay with switch disconnector / fuse unit, double busbar ...................... A6-88A6.86 Bay type No. 70 Feeder bay with switch disconnector / fuse unit, double busbar ...................... A6-89A6.87 Bay type No. 71 Feeder bay with switch disconnector / fuse unit, double busbar ...................... A6-90A6.88 Bay type No. 72 Feeder bay with circuit breaker, double busbar .......................................... A6-91A6.89 Bay type No. 73 Feeder bay with circuit breaker, double busbar .......................................... A6-92A6.90 Bay type No. 74 Feeder bay with circuit breaker, double busbar .......................................... A6-93A6.91 Bay type No. 75 Feeder bay with circuit breaker, double busbar .......................................... A6-95A6.92 Bay type No. 76 Feeder bay with circuit breaker, double busbar .......................................... A6-96A6.93 Bay type No. 77 Feeder bay with circuit breaker, double busbar .......................................... A6-97A6.94 Bay type No. 78 Feeder bay with circuit breaker, double busbar .......................................... A6-99

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  • A6.95 Bay type No. 79 Feeder bay with switch disconnector, double busbar ..................................A6-101A6.96 Bay type No. 80 Feeder bay with switch disconnector, double busbar ..................................A6-102A6.97 Bay type No. 81 Feeder bay with switch disconnector, double busbar ..................................A6-103A6.98 Bay type No. 82 Feeder bay with switch disconnector, double busbar ..................................A6-105A6.99 Bay type No. 83 Feeder bay with switch disconnector, double busbar ..................................A6-106A6.100 Bay type No. 84 Feeder bay with switch disconnector, double busbar ..................................A6-107A6.101 Bay type No. 85 Fee