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EAGLE TECHNOLOGYhttp://eaglewanlida.com, http://yantrabazaar.com,Supplier of Magnetic Controlled Rectifier Type Static Var Compensator (MCR Type SVC), Medium Voltage Drives, Active Power Filter, Protection Relays and Intelligent Switchgear at reasonable price in India. Contact Mr. Sunil Jha Mobile: +91-9590273474, E-mail: sunil.jha@yantrabazaar.com, jhasunil100@gmail.com
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Zhuhai Wanlida Electric Co., Ltd. http://www.zhwld.com
User’s Manual for MCPR-610Hb capacitor
protection and monitoring device
Prepared by:
Proofed by:
Approved by:
Document No.: WLD [K]-JY-222-2010 Version No.: V2.03.01
Date of publication: Oct ,2010
Copyright: Zhuhai Wanlida Electric Co., Ltd.
Note: Our company reserves the right to modify this manual. For any inconsistency
between the product and this manual, please contact us for relevant services.
Technical support hotline: 0756-3395398 Fax: 0756-3395500
User’s Manual for MCPR-610Hb capicitor protection and monitoring device WLD[K]-JY-222-2010
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F o r e w o r d
1. Model description
The structural type of the MCPR-600Hb series protection is Hb. MCPR-610Hb
supports A, B, C three-phase current protection, also supports A, C two-phase
current protection. When ordering, please statements.
2. Standards referenced
General specification for static protection, security and automatic equipment, DL
478-2001
Technical code for relaying protection and security automatic equipment
GB/T 14285-2006
Protective relay and automatic equipment design rules of power eequipment
GB50062-92
3. Caution
Negative sequence voltage involved in this series of protection is combined with
phase voltage, all of low voltage component depend on line voltage in compound
voltage block, if one of the three line voltages is lower than low voltage setting, low
voltage component will operates and unblock over current protection.
There are 4 standard curves of inverse protection involved in this series of protection,
if the fault current is higher than 15 times of rated current, the inverse protection
component as if the current is 15 times of rated current.
The appearance should be inspected before power is applied, to ensure that the
panel is OK without scratch, the screws are tightened, the device is grounded firmly,
all screws of plug-ins are tightened and in good contact.
When power is applied, the “Run” indicator on the panel should flash, digital tube
displays primary measuring result in cycle, protection and measuring data are
displayed on the lcd in cycle.
The terminal D25~D28 are measuring circuit of 4~20mA DC signal, when testing,
signal should be supplied by special equipment, direct apply signal of relay protection
tester is prohibited. (Can be selected or not)
When the device is equipped with ungrounded system, terminal D07,D08 are zero
sequence small current input terminal, the ac current input should be limited to within
2A, the measuring current input should be limited to 6A, pay attention to the signal
input when testing to avoid large signal applied so as to avoid damage to
components.
User’s Manual for MCPR-610Hb capicitor protection and monitoring device WLD[K]-JY-222-2010
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Operating circuit inside the device is only applicable to DC power supply, if AC power
is used, it should be applied with rectifier and filter.
It is prohibited to plug or unplug the plug-ins, in order to avoid damage to the device.
It is prohibited to do digital output test when the device is running with primary
equipments.
User’s Manual for MCPR-610Hb capicitor protection and monitoring device WLD[K]-JY-222-2010
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1. Product description
1.1 Scope of application
MCPR-610Hb microcomputer capacitor protection and monitoring device applies to
protection and monitoring devices for parallel capacitor banks in single Y, double Y, Δ
wiring in systems not directly grounded or grounding via resistor with voltage ratings of
below 110kV. It can be installed in site on the switchgear.
1.2 Function and specification
1.2.1Protective function
2-section definite time limit over-current protection(Two-step OC)
Zero sequence overcurrent protection(ZS Overcurrent)
Imbalanced current protection(Imbalance C)
Imbalanced voltage protection(Imbalance V)
Overvoltage protection(Overvoltage)
No-voltage protection(No-voltage)
Body protection(Body Protect)
PT Failure
Non-electric quantity protection(2 ways)(Non-electric) (Can be selected or not)
1.2.2Auxiliary functions
Harmonic spectrum analysis
Phase display
Small current grounding wire selection
Integral energy and Pulse energy(Pulse energy can be selected or not)
Device self-test failure alarm
Protection settings remote call up and modify
Fault oscillograph capture
One or two programmable 4 ~ 20mA output
Provide ethernet print function(manual print setting value, manual/auto print reports)
(Can be selected or not).
1.2.3measuring and control functions
Power measurement( remote measurement): Voltage, current, active power,
reactive power, active energy, reactive energy, power factor, power grid frequency,
non-electric quantity measurement(Can be selected or not) and so on.
Remote signal: 15 binary inputs, including: 12 for outside collection, 3-way for the
internal collection.
1.2.4Communication capability
2 standard RS485 multipoint communication ports
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2 industrial Ethernet ports(Can be selected or not)
Supports single, dual network communication, it is fully qualified for network
redundancy and backup
IEC-60870-5-103(RS485 communication mode )、 IEC-60870-5-104( industrial
Ethernet mode) standard communication protocol(Can be selected or not)
1.2.5 GPS clock synchronization function (Can be selected or not)
The device is able to receive GPS clock minute synchronization (or second
synchronization) through RS485 differentiate voltage, and it can be done with
monitoring system to accomplish GPS precise clock synchronization.
1.2.6 Device specifications
32-bit DSP microprocessor
Real-time multi-task operating system and C++ program techniques, realizing online
programming
Double-screen display (LCD Chinese display and nixie tube display), easy for
inspection
One or two ways 4~20mA DC quantity output, which can be set flexibly as any
corresponding electric quantity (such as current, voltage, power, frequency, etc.)
Collecting 2 ways of 4~20mA DC quantities for measurement of non-electric
quantities, such as temperature, pressure, and realizing online monitoring(Can be
selected or not)
Having the electric energy quality analysis function and perfect harmonic analysis
function
Integrating perfect metering functions
Excellent hardware interchangeability, easy user maintenance and reduced quantity
of spare parts
Protection output relays can be configured flexibly for user convenience
With remote/local changeover switch and trip/closing buttons, reducing the number of
elements on the board/cabinet panel and simplifying wiring
Using a 6U, 19/3” standard enclosure in a rear plug-in structure; the device can be
installed in site on a switchboard or combined in a centralized manner
1.2.7 Main technical specifications
Rated data Power supply: DC/AC 86~265V
Operating voltage: DC 220V or DC 110V
AC voltage: 100/ 3 V or 100V
AC current: 5A or 1A
Frequency: 50Hz
Power consumption
User’s Manual for MCPR-610Hb capicitor protection and monitoring device WLD[K]-JY-222-2010
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DC circuit: <10W (normal operation); <15W (protection operation)
AC voltage circuit: <0.5VA/phase
AC current circuit: <1VA/phase (In = 5A); <0.5VA/phase (In = 1A).
Overload capability AC voltage circuit: 1.2Un, continuous operation
Current measuring circuit: 1.2Un, continuous operation
Protective current circuit: 2In, continuous operation
10In, allowing 10s
40In, allowing 1s
Range and error of setting value
Maximum range of setting value:
Voltage element: 1V~120V
Current element: 0.1In~20In
Frequency: 45.00Hz~55.00Hz
Timing element: 0.00s~100.00s
Error of setting value:
Current and voltage setting value: ≤±3% of setting value
Frequency setting value: ≤±0.02Hz
Slip error setting value: ≤±5% of setting value
Angle setting value: ≤±2°
Whole-group operation time (including relay’s intrinsic time):
Intrinsic operating time of current instantaneous over-current protection:
not greater than 40ms at 1.5 times the setting value
Intrinsic operating time of Difference instantaneous over-current
protection: not greater than 30ms at 2 times the setting value
Measuring accuracy AC current: Class 0.2
AC voltage: Class 0.2
4~20mA DC quantity input: ≤±1%
Power: Class 0.5
Integral energy: Class 1 (active), Class 2 (reactive)
Frequency: ≤±0.02Hz
SOE resolution: ≤2ms
Pulse width of pulse quantity: ≥10ms
4~20mA DC quantity output: ≤±1%
Capacity of trip/closing output contact
Can be connected to DC 250V, 8A for prolonged periods.
GPS clock synchronization error
Clock synchronization error≤2ms
Environmental conditions
User’s Manual for MCPR-610Hb capicitor protection and monitoring device WLD[K]-JY-222-2010
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Ambient temperature:
Operating:-20℃~+55℃。
Storage:-25℃~+70℃, rainproof and snow-proof rooms with relative humidity not
greater than 80%, ambient air free of acid, alkaline or other corrosive and explosive gas;
no excitation quality is applied under the limits, the device shall not have any irreversible
change; after temperature restoration, the device shall operate properly.
Relative humidity: The average relative humidity of the most humid month shall not
be greater than 90% monthly, the average minimum temperature of this month not lower
than 25℃ and there shall be no surface condensation; at the highest temperature of
+40℃, the average maximum humidity shall not exceed 50%. Atmospheric pressure: 80kPa~110kPa (below relative altitude of 2wc)
1.2.8 Hardware structure
The device uses a 6U, 19/3” standard enclosure, with aluminum alloy casing and
installed by overall embedding. The display panel is mounted in the front, and the other
plug-in modules are rear mounted. From the rear view, the power, I/O, CPU and AC
plug-in modules are from the left to the right.
External dimensions and boring diagram
Structural and dimensional diagram Boring diagram for installation
Devices fabricated on-screen steps: first release on-screen stents unfastening
screws, remove the stents; installed the device on the screen from the front and push
until close to the fixed plate; install the stent 2, and then stent 1, and then use fastening
User’s Manual for MCPR-610Hb capicitor protection and monitoring device WLD[K]-JY-222-2010
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screw to insertion hole from rear of stent1, and then screwed into stent 2 and tighten
screw; the stents from up and down are installed in the same way; use grounding screws
to connect grounding line.
User’s Manual for MCPR-610Hb capicitor protection and monitoring device WLD[K]-JY-222-2010
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2.Function of the device
2.1 2-section definite time limit over-current protection (Two-step OC)
This device has 2 sections of definite time limit over-current protection, the current
and time setting values of each section can set separately, please set the control word to
put this two section protections on or off respectively. The protection operation logic is
shown in figure 2-1.
Figure2-1 Operation logic of definite time limit over-current protection
2.2 Zero Sequence Overcurrent Protection(ZS Overcurrent)
A one-section definite time limit zero sequence over-current protection is provided,
which can be set as trip or alarm. When two functions are all switched on, trip function is
elected and alarm function is released automatically. The operation logic is shown in
Figure 2-2.
For ungrounded systems, when a ground fault occurs in the system, the zero
sequence current of the ground fault point is basically a capacitive current with small
amplitude. If a zero sequence over-current relay is used for protecting it from ground
faults, its selectivity can hardly be guaranteed. The device uploads the amplitude and
direction of the zero sequence current by communication, and the upper computer
performs low current ground wire selection. When PT wiring is YY or there is a PT
failure(PT failure function should be switched on),the flag of state change shouldn’t be
transmitted.
Figure 2-2 Operation logic of zero sequence overcurrent protection
2.3 Imbalance Current Protection(Imbalance C)
To reflect any internal breakdown in the capacitor bank, the unbalanced current
protection is provided, whose operation logic is shown in figure 2-3.
Figure 2-3 Operation logic of imbalanced current protection
&≥1
T
Definite time overcurrentIa≥overcurrent setting valueIb≥overcurrent setting value
Ic≥overcurrent setting value
Protection output sequence
TsetOutput sequence
Io>Iset ON/OFF
TsetOutput sequence
Ip>Iset ON/OFF
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2.4 Imbalance Voltage Protection(Imbalance V)
The protection operation logic is shown in figure 2-4.
Figure 2-4 Operation logic of imbalanced voltage protection
2.5 Overvoltage protection(Overvoltage)
To prevent capacitor damage due to the system’s steady-state over-voltage, an
over-voltage protection is provided, which can be set as trip or alarm respectively. When
both are switched on, the trip function is selected and the alarm function is released
automatically. The protection operation logic is shown in figure 2-5.
Umax=Max{ Uab,Ubc,Uca}
Figure 2-5 Operation logic of overvoltage protection
2.6 No-voltage Protection(No-voltage)
To avoid system fault where the bus is de-energized and then re-energized by line
closing, so that the capacitor bank is damaged by closing over-voltage, the device is
provided with the no-voltage protection. The protection operation logic is shown in
Figure2-6.The no-voltage protection is set to select whether it is blocked by current
(blocked when the current is greater than the setting value), to avoid protection
mis-operation in case of PT failure.
Imax=Max{ Ia,Ib,Ic }
Figure 2-6 Operation logic of no-voltage protection
2.7 Body protection(Body Protect)
The device has 4 body protection and delay outputs, which are heavy gas trip, light
gas alarm, over-temperature trip and temperature alarm, the delay time and On/Off can
be set separately.
TsetOutput sequence
Up>Uset ON/OFF
TddyOutput
sequenceON/OFF
&
Umax>Uset
Circuit breaker at closing position
T Output
sequence
No - voltage protection
ON / OFF &
Circuit breaker at closing position
PT failure PT failure block
Umax < Ushy
Imax < Ibs
No - voltage current block
User’s Manual for MCPR-610Hb capicitor protection and monitoring device WLD[K]-JY-222-2010
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2.8 PT Failure
PT failure criterions are different according as different wiring modes. It will block
under-voltage protection, compound voltage component and current directional
component. PT failure criterions are as follows:
V-V wiring mode
The current value of the phase with the maximum current is less than the maximum
load current(use the setting value of overload current).
① Maximum phase-phase voltage < 30V, and current of any phase > 0.1In;
② Negative sequence voltage > 8V.
If any of the above conditions is met, the delay (settable) will report PT failure, and
will return when failure disappears.
Y-Y wiring mode
The current value of the phase with the maximum current is less than the maximum
load current (use the setting value of overload current).
① When |Ua+Ub+Uc| >7V, and the modulus difference between the maximum and
minimum line voltages is greater than 18V, single-phase or 2-phase failure occurs;
② |Ua+Ub+Uc| >7V, the minimum line voltage is less than 18V, used for detecting
2-phase failure.
③ When MAX{Uab, Ubc, Uca}<7V, and the current of any phase > 0.1In, it is
regarded as PT 3-phase failure.
If any of the above conditions is met, and the time delay reached, the device
reports PT failure, the alarm will return when failure disappears.
Figure 2-7 PT failure judgment logic
PT failure operation information
&
TPT
PT failure ON/OFF
|MaxU-MinU|>18V
&MinU<18V
&
MaxU<7V MaxU=Max(Uab,Ubc,Uca)MinU=Min(Uab,Ubc,Uca)
&
MaxU<30V
U2>8V
≥
&V-V wiring
Max{Ia,Ib,Ic}>0.1*In
≥
Max{Ia,Ib,Ic}<Igfh
&
≥
&
Max{Ia,Ib,Ic}>0.1*In
7V|cUbUaU|
7V|cUbUaU|
PT failure element
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2.9 Non-electric quantity protection(4-20mA input, this function is optional.
If do not choose ,the corresponding DCS input content in terminal
diagram has no meaning)(Non-electric)
The device has the 2-way non-electric quantity protection function, switched on/off by
control word.
2.10 Pulse energy/integral energy(Pulse energy can be selected or not)
Pulse energy
The pulse circuit of the device uses an internal power supply; passive energy pulses
are input from the outside; and accumulation of pulse energy is finished by the software.
Integral energy
The software accumulates active and reactive powers into active and reactive
energy in real time.
2.11 Wave Recorder
See the communication coding table for the protection voltage and current
waveform data collected by the recording unit.
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3.Setting of parameters and setting values of the device
3.1 System parameters
Parameter Range Description
Settings of setting value zone number(Setting Zone No.)
Setting value zone
number(Setting
Zone No.)
0-7 Set step:1(factory default 0)
Communication settings(Comm. Setting)
RS485
address(RS485
Address)
1-99 Set step:1(factory default 1)
RS485 baud
rate(RS485
Baudrate)
0-5
Set step:1(factory default 1)
0:2.4KB;1:4.8KB;2:9.6KB;3:19.2KB;4:38.4KB;
5:115.2KB;
Pulse confirmation
time(Pulse Input
Time)
1-1000ms Set step:1(factory default 1)
IP address(IP
Address)
It has four
sections. The
range of every
section is
0-255
One section set step:1(factory default 192.168.6.117)
Subnet mask
(Subnet Mask) One section set step:1(factory default 255.255.255.0)
KW default
value(KW Default) One section set step:1(factory default 8.168.6.1)
Setting of basic parameters(B.Parameters)
Rating Current(In) 0-1 Set step: 1 (factory default 0) 00: 5A; 01: 1A
PT Ratio 1-1500 Set step: 1 (factory default 1)
CT Ratio 1-5000 Set step: 1 (factory default 1)
CT Wiring Mode 0-1 Set step: 1 (factory default 0) 00: 3-phase; 01: 2-phase
PT Wiring Mode 0-1 Set step: 1 (factory default 0) 00: Y-Y; 01: V-V
Harmonic Channel 0-12
For harmonic calculation, select the corresponding
reference quantity:
0: exit from harmonic calculation function
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Parameter Range Description
MCPR-610Hb:
1:Ia,2:Ib,3:Ic,4:I0,5:IA,6:IB,7:IC,8:Ua,9:Ub,10:Uc,11:U
P,12:IP
Wave Record 0-1 1/0: On/Off (factory default Off)
Earth Mode 0-2 00:ungrounded 01:grounded
D/A channel setting(D/A Setting)
DA1~2 Channel
Selection 0-14
Select DA1~2 to output corresponding reference
quantities:
0: No D/A output 1:IA, 2:IB, 3:IC, 4:Ua, 5:Ub, 6:Uc,
7:Uab, 8:Ubc,9:Uca,10:P,11:Q
Voltage reference quantity: 0-120V corresponding to
4mA-20mA.
Rating 5A:
Current reference quantity: 0-6A corresponding to
4mA-20mA,
Power reference quantity: 0-1000W corresponding to
4mA-20mA.
Rating 1A:
Current reference quantity: 0-1.2A corresponding to
4mA-20mA,
Power reference quantity: 0-200W corresponding to
4mA-20mA.
DA1~2 Adjustment
Factor 0.5-1.5 Adjust D/A channel 1~2(4-20mA) parameters
Pulse Energy
Pulse 1 0-4294967295 Set step: 1
Press “confirm” for reservation, and revert to last
menu.
Pulse 2 0-4294967295
Pulse 3 0-4294967295
Pulse 4 0-4294967295
Positive active
energy
0-4294967.295
kWh
Set step:0.001
Press “confirm” for reservation, and revert to last
menu.
Positive reactive
energy
0-4294967.295
kvh
Negative active
energy
0-4294967.295
kWh
Negative reactive 0-4294967.295
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Parameter Range Description
energy kvh
Opening Count Clearing (Trip Times Clear)
Press “confirm” for reservation, and revert to last menu.
Channel factor setting(Channel Coef.)
Channel data 1~12 0.5-5
Set step:0.001(factory default 1)
Channel data 1-12 are corresponded to the channel
factor of analog quantity 1-12.
Channel data 13~
14 0.5-5
Set step:0.001(factory default 1)
Channel data 13,14 are corresponded to channel
factor of DC quantity 1,2.
3.2 List of setting values
Setting value Range Description
Pro
tect
ion O
n/O
ff w
ord
Instantaneous Protect
(Inst.PROT) 1/0 1/0: On/Off (factory default Off)
Delay Instantaneous Protect
(DT Overcurrent) 1/0 1/0: On/Off (factory default Off)
Zero Sequence Overcurrent
Alarm (ZS OC Alarm) 1/0 1/0: On/Off (factory default Off)
Zero Sequence Overcurrent
Trip (ZS OC Trip) 1/0 1/0: On/Off (factory default Off)
Overvoltage Alarm (Overvoltage
ALM) 1/0 1/0: On/Off (factory default Off)
Overvoltage Trip 1/0 1/0: On/Off (factory default Off)
No-voltage Protect
(No-voltage Trip) 1/0 1/0: On/Off (factory default Off)
No-voltage Current Lock
(NV Current Lock) 1/0 1/0: On/Off (factory default Off)
Heavy Gas Protect
(Heavy Gas Trip) 1/0 1/0: On/Off (factory default Off)
Light Gas Alarm 1/0 1/0: On/Off (factory default Off)
Over Temperature Trip
(Over Temp. Trip) 1/0 1/0: On/Off (factory default Off)
Temperature Alarm
(Temperature ALM) 1/0 1/0: On/Off (factory default Off)
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Setting value Range Description
Non-electric Quantity 1
Protection (Non-electric 1) 1/0 1/0: On/Off (factory default Off)
Non-electric Quantity 2
Protection (Non-electric 2) 1/0 1/0: On/Off (factory default Off)
PT Failure Alarm 1/0 1/0: On/Off (factory default Off)
PT Failure Lock 1/0 1/0: On/Off (factory default Off)
Imbalance Voltage Protect
(Imbalance V PROT) 1/0 1/0: On/Off (factory default Off)
Imbalance Current Protect
(Imbalance C PROT) 1/0 1/0: On/Off (factory default Off)
2-section definite time limit over-current protection(Two-step OC)
Instantaneous Current
(Inst.Current) (0.1-20)In
Set step:0.01A(factory default
20In)
Definite Time Overcurrent
(DT Overcurrent) (0.1-20)In
Set step:0.01A(factory default
20In)
Instantaneous Time
(Inst.Time) 0.00-100.00s
Set step:0.01s(factory default
100s)
Definite Time Overcurrent Time
(DT OC Time) 0.00-100.00s
Set step:0.01s(factory default
100s)
ZS Overcurrent
Zero Sequence Overcurrent Value
(ZS OC Value) 0.00-2.00A
Set step: 0.01A (factory default
2A)
Zero Sequence Overcurrent Time
(ZS OC Time) 0.00-100.00s
Set step: 0.01s (factory default
100s)
Imbalance V
Imbalance Voltage (Imbalance V) 2-100V Set step: 0.01V (factory default
100V)
Imbalance Voltage Time
(Imbalance V Time) 0.00-100.00s
Set step: 0.01s (factory defaul t
100s)
Imbalance C
Imbalance Current (Imbalance C) (0.1-20) In Set step: 0.01A (factory default
20In)
Imbalance Current Time
(Imbalance C Time) 0.00-100.00s
Set step: 0.01s (factory defaul t
100s)
Overvoltage
Overvoltage Value (Overvolt. Value) 50-120V Set step: 0.01V (factory defaul t
50V)
User’s Manual for MCPR-610Hb capicitor protection and monitoring device WLD[K]-JY-222-2010
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Setting value Range Description
Overvoltage Time (Overvolt. Time) 0.0-100.00s Set step: 0.01s (factory defaul t
100s)
No-voltage
No-voltage Value 5-100V Set step: 0.01V (factory defaul t
50V)
No-vol tage Current Lock
(NV Current Lock) 0-10.00A Set step: 0.01A (factory default 2A)
No-voltage Time 0.50-100.00s Set step: 0.01s (factory defaul t
100s)
Body protection(Body Protect)
Heavy Gas Time 0.0-100.00s Set step: 0.01s (factory defaul t
100s)
Light Gas Time 0.0-100.00s Set step: 0.01s (factory defaul t
100s)
Over Temperature Time
(Over T Time) 0.0-100.00s
Set step: 0.01s (factory defaul t
100s)
Temperature Alarm Time
(Temp. Alarm Time) 0.0-100.00s
Set step: 0.01s (factory defaul t
100s)
PT Failure
PT Failure Time 0.50-10.00s Set step: 0.01s (factory defaul t 10s)
Peakload Current (0.1-2)In Set step: 0.01A (factory default 1In)
Non-electric
Non-electric quantity 1 Value
(Non-elec.1 Value) 4.00-20.00mA
Set step: 0.01mA (factory default
20mA)
Non-electric quantity 2 Value
(Non-elec.2 Value) 4.00-20.00mA
Set step: 0.01mA (factory default
20mA)
Non-electric quantity 1 Time (Non-elec.1
Time) 0.00-100.00s
Set step: 0.01s (factory default
0s)
Non-electric quantity 2 Time (Non-elec.2
Time) 0.00-100.00s
Set step: 0.01s (factory default
0s)
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4.Description of binary input, output and analog quantity
4.1 Monitoring of analog quantities
Analog quantities can be monitored under the [Protection Data Display], [Measured
Data Display] and [Pulse Energy] menus in the [State Display] menu, press the ““,
““ keys to flip over. The factory precision of the device has been calibrated. The
protection current is calibrated at double the rated current and the measuring current at
a single rated current. The list is as follows:
Analog quantity
terminal
Analog quantity
name Test method
Terminals D01, D02 Protection Phase A
current (Ia)
Add double the rating, displayed deviation not
exceeding 1%
Terminals D03, D04 Protection Phase B
current (Ib)
Add double the rating, displayed deviation not
exceeding 1%
Terminals D05, D06 Protection Phase C
current (Ic)
Add double the rating, displayed deviation not
exceeding 1%
Terminals D07, D08 Zero sequence
current (I0)
Add 1A, displayed deviation not exceeding
0.2%
Terminals D09, D10 Measurement
Phase A current (IA)
Add a single rating, displayed deviation not
exceeding 0.2%
Terminals D11, D12 Measurement
Phase B current (IB)
Add a single rating, displayed deviation not
exceeding 0.2%
Terminals D13, D14 Measurement
Phase C current (IC)
Add a single rating, displayed deviation not
exceeding 0.2%
Terminals D15, D16 Phase A voltage
(Ua)
Add 50V, displayed deviation not exceeding
0.5%
Uab F system frequency Add 50V 50Hz, displayed deviation not
exceeding ±0.02Hz
Terminals D17, D18 Phase B voltage
(Ub)
Add 50V, displayed deviation not exceeding
0.5%
Terminals D19, D20 Phase C voltage
(Uc)
Add 50V, displayed deviation not exceeding
0.5%
Terminals D21、D22 Unbalance
voltage(Up)
Add 50V, displayed deviation not exceeding
0.5%
Terminals D23、D24 Unbalance
current(Ip)
Add double the rating, displayed deviation not
exceeding 1%
Terminals D25, D26 4~20mA DC Input 1 Add 10mA, displayed deviation not exceeding
3%
Terminals D27, D28 4~20mA DC Input 2 Add 10mA, displayed deviation not exceeding
3%
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Analog quantity
terminal
Analog quantity
name Test method
Add current to Terminals
D09, D10; D13, D14 by
polarity; Add voltage to
D15, D16; D17, D18;
D19, D20 by polarity
3-phase active
power
Add a single rating to current and 100V to line
voltage
Alter phase angle, displayed power deviation
not exceeding 0.5%
Add current to Terminals
D09, D10; D13, D14 by
polarity; Add voltage to
D15, D16; D17, D18;
D19, D20 by polarity
3-phase reactive
power
Add a single rating to current and 100V to line
voltage
Alter phase angle, displayed power deviation
not exceeding 2%
Terminal C12 to Terminal
C16 (common terminal of
pulse +24V)
Pulse 1 (MC1) Connect each point once, add 1 to the count
Terminal C13 to Terminal
C16 (common terminal of
pulse +24V)
Pulse 2 (MC2) Connect each point once, add 1 to the count
Terminal C14 to Terminal
C16 (common terminal of
pulse +24V)
Pulse 3 (MC3) Connect each point once, add 1 to the count
Terminal C15 to Terminal
C16 (common terminal of
pulse +24V)
Pulse 4 (MC4) Connect each point once, add 1 to the count
4.2 Monitoring of binary input
Binary input can be monitored under the [Binary input] menu in the [State Display]
menu, press the ““, ““ keys to flip over.
Terminals of
contact input Name of binary input Checking method
B01
Common terminal of binary
input -
(Used for connecting with the
negative pole of external
power DC220V and DC110V)
External power supply of 220V or 110V
DC can be applied, connect the
negative terminal to terminal B01,
positive terminal to terminal B02~B13,
in [Binary input] menu in the [State
Display], the status of binary input can
be seen.
The device also has a 24V DC
supply, if it is used, terminal B14 can be
connected to terminal B02 ~B13, in
[Binary input] menu in the [State
Display], the status of binary input can
B02 Breaker
B03 Trolley Run
B04 Trolley Test
B05 Earth Switch
B06 Spring
B07 Heavy Gas
B08 Light Gas
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B09 Over T Trip be seen.
Please note about the binary input
voltage upon ordering, it is set to
DC220V by default.
B10 Temp. Alarm
B11 Input 10
B12 Input 11
B13 Input 12
B14 Self-producting DC+24V
4.3 Monitoring of binary output
Binary output can be monitored under the [Binary output] menu, press the ““, “ “ keys
to flip over.
Terminals of contact
output
Name of binary
output Checking method
B15-B16 Device Failure
Select open and close menu, use “+”,
“-” key to operate and test the
corresponding terminals. B31-B32
and B34-B35 are common open
terminals that should close.
B17-B18 Trip Signal
B19-B20 Alarm Signal
B21-B22 Output 4
B23-B24 Output 5
B25-B26 PROT Output 1
B27-B28 PROT Output 2
B29-B30 Output 8
B31-B32(common open) Output 9
B32-B33
B34-B35(common open) Output 10
B35-B36
A22-A23 Remote Trip
A22-A24 Remote Close
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5.Operation instructions
5.1 Control panel of device
128*64 matrix LCD (The LCD will go off after a period of absence of keyboard
operation; the LCD will be illuminated automatically when any key is pressed or in
case of protection trip or alarm.)
Signal indicator: operation, communication, operation, alarm, backup, fault (of the
device)
Circuit breaker state indication: indicating the current state of the circuit breaker
(“Open”, “Close” position indication)
Remote/local selection signal, local opening/closing button
Key pad: , , , , Cancel, -, +, Enter, Revert
The 6-bit nixie tube displays the primary measured values in real time: IA, IB, IC, Uab,
Ubc, Uca, P, Q, Cosφ. (Please set the PT, CT transformation ratios properly in the System
Parameters menu). The maximum display range of the power on the nixie tube is: 99999. Note: Measurement IA: AA, measurement IB: bA, measurement IC:
CA, voltage Uab: AbkV, voltage Ubc: bCkV, voltage Uca:
CAkV, active power: PkW, reactive power: qkvar, power
factor: H
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5.2 Instructions for use of key pad and LCD display
During the device’s normal operation, it will display the measuring current, power,
time in cycle. Press the “Enter” key to enter the main menu, which is a multi-level tree
menu. Press the ““, ““ keys to move the cursor to the desired entry, press the “Enter”
key to enter this entry, and press the “Cancel” key to return to the next higher level of
screen. If this screen is still a menu, continue to press the ““, ““ key to select the
desired entry, press the “Enter” key to enter the next level of screen, and press the
“Cancel” key to return to the next higher level of menu. If there is no menu screen, be
sure to press the “Cancel” key to return to the next higher level of menu. The main menu
is shown at the center of the following figure, with the corresponding submenus on both
sides.
The main interface displays the primary operating parameters in turn. The
maximum displayed value of the primary is 6000.0A. For systems with a rated current of
5A, the set CT transformation ratio shall not exceed 2000. If the primary power is greater
than 1000kW, the display unit is MW, otherwise is kW.
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Main menu
1·State Display
2·Signal Revert
3·Report Display
4·Output Test
5·SYS Parameters
6·Setting Value
7·Clock Setting
8·Password
9·Version Info
Note 1:For setting value menu, see the description of each device.
State Display
The [State Display] menu contains 8 submenus, including protection data,
measuring data, binary input, pulse energy, angle display, harmonic data, DC
measurement and trip statistics. It is described as follows:
5.Parameters
Setting Zero No.
Comm. Setting
B. Parameters
D/A Setting
Pulse Energy
Trip Times Clear
Channel Coef.
1.State Dis.
Protection Data
Measuring Data
Binary Input
Pulse Energy
Phase Angle
Harmonic Data
DC Input Data
Trip Times
7.Clock setting
Date:□□-□□-□□
Time:□□:□□:□□
6.Settings(note 1)
Protection On/Off
。。。。。。
Note: See protection
setting table for detailed
8. Password
□□□□
Model:M□PR-600Hb
Version:V□.□□.□□
Date:20□□-□□-□□
CRC:□□□□□□□□H
3.Report Dis.
Trip Report
Binary Report
Event Report
Report Clear
2.Signal Revert
Enter
4.Output Test
Device Failure
Trip Signal
Alarm Signal
Output 4
Output 5
PROT Output 1
PROT Output 2
Output 8
Output 9
Output 10
Remote Close
Remote Trip
Operate All
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Note: In the standard configurations, the input circuit has the connection to an
external 220VDC control power supply. When no DC control power supply or control
system is available on site, but a 110VDC control power supply is available, a 110VDC
control power supply may be used for direct connection through local hardware
adjustment, or the 24V power supply of the device may be used as the input power
1.1 Protection Data ↑ ↓
Ia = □□□·□□ A
Ib = □□□·□□ A
Ic = □□□·□□ A
Uab = □□□·□□ V
Ubc = □□□·□□ V
Uca = □□□·□□ V
U2 = □□□·□□ V
I0 = □□□·□□ A
。。。。。。
Protection CT secondary current value
PT secondary line voltage value
Zero sequence current
Measuring data ↑ ↓
IA = □□□·□□ A
IB = □□□·□□ A
IC = □□□·□□ A
Ua = □□□·□□ V
Ub = □□□·□□ V
Uc = □□□·□□ V
P = □□□□·□ W
Q = □□□□·□ var
Cosφ = □·□□□
。。。。。。
Measuring CT secondary current value
PT secondary phase voltage value
Cosine function for included angle of voltage and
current; for -90°<φ<90° , COSφ is positive; for
90°<φ<270° , COSφ is negative
Converted to PT, CT secondary active
power Converted to PT, CT secondary ractive
power
When closed, energy storage not completed
Binary Input ↑ ↓
Breaker: □
Trolley Run: □
Trolley test: □
Earth Switch : □
Spring: □
Heavy Gas: □
Light Gas : □
Over T Trip: □
Temp. Alarm:□
Input 10 : □
。。。。。。
Description varies with model, see corresponding terminal diagram
for details
At Closed, circuit breaker is at closed position; at Open, circuit breaker is at
open position. Note: The position of the circuit breaker relates to
protection logic, with fixed position.
When closed, trolley at operating position
When closed, closed position
When closed, trolley at test position
Negative sequence voltage
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supply (when the input common terminal is +24V, terminal number: B14, Terminal B01 is
kept float). However, this must be specified upon ordering..
1.6 Harmonic ↑ ↓
I2: □□□·□□%
I3: □□□·□□%
I4: □□□·□□%
I5: □□□·□□%
。。。。。。
I11: □□□·□□%
2~11st harmonics for which analog channels have been selected in system
1.8 Trip Times
Total□□□□times
1.5 Phase Angle ↑ ↓
Ua: 0 0 0 ·0 0°
Ub:□□□·□□°
Uc:□□□·□□°
Ia:□□□·□□°
Ib:□□□·□□°
Ic:□□□·□□°
IA:□□□·□□°
IB:□□□·□□°
IC:□□□·□□°
。。。。。。
Phase angle relative to Ua, Ua as 0° by default. When
wiring method is VV, it displays line voltages relative to Uab,
the same as follows
Phase angle of protection current relative to Ua
Phase angle of measuring current relative to Ua
1.4 Pulse Energy ↑ ↓
MC1:□□□□□□□□□□
MC2:□□□□□□□□□□
MC3:□□□□□□□□□□
MC4:□□□□□□□□□□
+□□□□□□□·□□□kWh
+□□□□□□□·□□□kvh
-□□□□□□□·□□□kWh
-□□□□□□□·□□□kvh
Accumulation of the device’s real-time active and reactive calculations
over time, + for positive direction, - for negative direction.
External pulse energy input counting (4-way)
1.7 DC Input ↑ ↓
DC1:□□□·□□mA
DC2:□□□·□□mA External DC input 4~20mA (2-way)
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Signal revert
In the [Signal Revert] menu, press the “Enter” key, the signal relay and the
“Operation” indicator on the panel will be reset.
Report Display
The [Report Display] menu includes 4 submenus, including trip report, remote
signal report, event report and clear report. Event recording includes: device self-check
fault, device setting value modification, system parameter modification and setting zone
number modification, etc. Trip report can be record for the last 50 events, remote signal
report for 100, event report for 30 at most. Beyond this, the latest report will overwrite the
earliest one. Press the “Enter” key to enter the corresponding [To view xx report, please
enter report number: 00 ] menu, and enter any figure within storage volume, press the
“Enter” key to display the contents of that report. The screen is as follows:
Press key to see the specific operation value. Press and keys to flip over.
Operation values
Output test
After entering the [Output Test] menu, the correct password is required to enter the
[Output Test] menu. It displays the following:
Report No:□□ ↓
□□□□-□□-□□
□□:□□:□□:□□□□
□□□□□□
Report No. of this report
Year, month, day
Hour, minute, second and millisecond
Report content description
Ia = □□□·□□ A
Ib = □□□·□□ A
Ic = □□□·□□ A
Uab = □□□·□□ V
Ubc = □□□·□□ V
Uca = □□□·□□ V
U1 = □□□·□□ V
I1 = □□□·□□ A
I2 = □□□·□□ A
。。。。。。
Protection CT secondary value
Zero sequence voltage, current and negative
sequence current operate value corresponds
to different protection component.
Protection PT secondary value
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Press “Enter”
——————>
<——————
Press “Cancel” key
System parameters
After entering the [System Parameters] menu, the correct password is required to
enter the [System Parameters] menu. It displays the following:
Setting zone number setting: range 00~07.
Communication setting
4.Output test ↑ ↓
Device Failure
Trip Signal
Alarm Signal
Output 4
Output 5
PROT Output 1
PROT Output 2
。。。。。。
Operate All
Device Failure
Close Open
Comm. setting ↑ ↓
RS485 Address
□□
RS485 Baud rate
□□
Pulse Input Time
□□□□ms
IP Address
□□□. □□□. □□□. □□□
Subnet Mask
□□□. □□□. □□□. □□□
K W Default
□□□. □□□. □□□. □□□
Communication address of device 01~99
00:2.4KB;01:4.8KB;02:9.6KB;03:
19.2KB;04:38.4KB;05:115.2KB
Confirmation time of 4-way pulse
energy, >10ms, < pulse width of
kilowatt-hour meter
For Ethernet communication
5.Parameters ↑↓
Setting Zone No.
Comm. Setting
Basic Parameters
D/A setting
Pulse Energy
Trip Time Clear
Channel Coef.
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Setting of basic parameters (see the description of the protection device
for basic parameters)
D/A setting
The device has two 4~20mA outputs. The DA1~DA2 adjustment factor is used to
adjust the accuracy of the channel output. The DA1~DA2 channel selection is used to
select the corresponding analog quantity channel (see the description of the protection
device for specific reference quantities). In the accuracy test, make sure the field ground
is in good contact; otherwise the accuracy might be affected.
Pulse energy setting
Energy base numbers can be set, including Pulse 1, Pulse 2, Pulse 3, Pulse 4,
positive active energy, positive reactive energy, negative active energy and negative
reactive energy.
Clear trip count
Used for clearing the trip count.
Settings
After entering the password, you can enter the [Settings] menu. See the settings
description of the protection device for the detailed description.
Clock setting
A battery-back real-time clock is provided in the device, which can perform time
adjust remotely via the communication network or in-site time adjust in the [Time Setting]
menu.
Setting the CT secondary current rating 00:1A;01:5A
Setting the PT transformation ratio: 1~1500
Setting the CT transformation ratio: 1~5000
Setting the CT secondary wiring mode
00:3-phase;01:2-phase
Setting the CT secondary wiring mode
00::YY;01:V V
Setting analog quantity channels 0~12 for harmonic
monitoring, select0 to exit from the harmonic calculation
function.
B. Parameters
Rating Current
□□
PT Ratio
□□□
CT Ratio
□□□
CT Wiring Mode
□□
PT Wiring Mode
□□
Harmonic Channel
□□
。。。。。。
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Enter this menu and press the “Enter” key, the
clock will stop refreshing and a cursor will appear.
Move the cursor to the desired position for
modification by pressing the ““, ““ keys, modify
to the desired value with the “+”, “-” keys. Press
the “Enter” key to complete setting. If the
“Cancel” key is pressed, the setting will be
cancelled and the screen continues to refresh the
clock.
Password
The [Password] menu is used to modify the password for entry into the Settings,
System parameters and Output Test submenus. The initial password is provided by the
factory. The universal password is “1000”.
Move the cursor to the desired position for
modification by pressing the ““, ““ keys,
modify to the desired password with the “+”, “-”
keys. Press the “Enter” key to enter the new
password setting menu as above; press the
“Cancel” key to cancel the setting.
GPS clock synchronization
The GPS clock synchronization signal is input as rs485 differential voltage, the
device is able to receive GPS clock minute synchronization(or second synchronization).
If there is GPS signal, there will be and flashing on the bottom of cycle menu;
otherwise won’t.
The principle of GPS clock synchronization: The second pulse or minute pulse act
with the monitoring system, the time base with second precision is sent by monitoring
system, when the GPS second differential signal arrives, the time base is unified and the
milliseconds are cleared.
Version Info
Enter the [9. Version Info] menu under the main menu, the model, software version
and date of the device will be displayed.
Note: For a corresponding nonstandard model, the device’s displayed model does not
have to be changed.
7. Clock setting
Date:20□□-□□-□□
Time: □□:□□:□□
Pls enter password
0 0 0 0
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MCPR-610Hb
D1(3,5)
D2(4,6) A01
D15
D17
D19 A02
D16(18,20)
14(16,18)
Ia’(Ib’,Ic’)
Ia(Ib,Ic)
Ua
Ub Power supply
Uc
Ua’(Ub’,Uc’)
6.Check of protection function
6.1 2-step definite time limit overcurrent protection (Two-step OC)
Connect as figure 5-1, put over-current protection in running.
Figure 6-1
Set in accordance with the table as follow, take the operating value and keep it in the
table. When over-current protection is operated, terminals B17-18,B25-B26 and B27-B28
should be connected.
Current setting of
over-current (A) 1In 2In 5In 10In
Operating value
6.2 Zero Sequence Overcurrent Protection (ZS Overcurrent)
Connect as figure 5-2, put zero sequence over-current protection in running.
Figure 6-2
Set in accordance with the table as follow, take the operating value and keep it in the
table. When zero sequence over-current protection is operated, terminals B17-18, B25-26
and B27-B28 should be connected.
I0
I0’
Power supply
MCPR-610Hb
D7 A01
D8
A02
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ZS OC Value (A) 0.20 0.50 1.00 1.50
Operating value
6.3 Imbalance Current Protection (Imbalance C)
Figure 6-3
Connect as figure 5-3, put unbalance current protection in running. Set in accordance
with the table as follow, take the operating value and keep it in the table. When unbalance
current protection is operated, terminals B17-18, B25-26 and B27-B28 should be
connected.
Imbalance Current (A) 1In 2 In 5 In 10 In
Operating value
6.4 Imbalance Voltage Protection (Imbalance V)
Connect as figure 5-4, put unbalance voltage protection in running. Set in accordance
with the table as follow, take the operating value and keep it in the table. When unbalance
voltage protection is operated, terminals B17-18, B25-26 and B27-B28 should be
connected.
Figure 6-4
Imbalance Voltage (V) 20 40 80 100
Operating value
MCPR-610Hb
D23 A01
D24 A02
Power supply
Ip
Ip’
MCPR-610Hb
D21 A01
D22 A02
Power supply
Up
Up’
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6.5 Overvoltage Protection(Overvoltage)
Connect as figure 5-1, input A,B,C three phase voltages, put over-voltage protection in
running, connect terminals B01,B02 to simulate breaker closed. Set in accordance with the
table as follow, take the operating voltage and keep it in the table. When over-voltage
protection is operated, terminals B17-18, B25-26 and B27-B28 should be connected.
Overvoltage Value (V) 90 100 110 120
Operating value
6.6 No- voltage Protection(No-voltage)
Connect as figure 5-1, input A, B, C three phase voltages, put no voltage protection in
running, connect terminals B01, B02 to simulate breaker closed. Set in accordance with the
table as follow, take the operating voltage and keep it in the table. When no voltage
protection is operated, terminals B17-18, B25-26 and B27-B28 should be connected.
No-voltage Value (V) 20 40 60 80
Operating value
6.7 Body Protection(Body Protect)
Put heavy gas trip, light gas alarm, over-temperature trip, temperature alarm in running.
Set each protection delay values 0s.
Connect input signal to terminal B07, heavy gas trip will operate and operation signal
light will light, terminals B17-18, B25-26 and B27-B28 should be connected.
Connect input signal to terminal B08, light gas alarm will operate and alarm signal light
will light, terminals B19-20 should be connected.
Connect input signal to terminal B09, over-temperature trip will operate and operation
signal light will light, terminals B17-18, B25-26 and B27-B28 should be connected.
Connect input signal to terminal B10, temperature alarm will operate and alarm signal
light will light, terminals B19-20 should be connected.
6.8 PT Failure
Input 3-phase symmetric voltage(57.7V),disconnect any one or two phases, PT failure
will be alarmed; Take off voltage and input protection current greater than no current value;
the device should report PT failure (for the YY connection mode). Terminals B19-B20
should be connected.
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Ip'Ip
1.Ia,Ib,Ic are protection currents.2.IA,IB,IC are measuring currents.3.Ua,Ub,Uc are protection voltages.4.Up is unbalanced voltage input,Ip is unbalanced current input.5.I0 is zero-sequence current.6.DCSIn is 2-way 4~20mA DC input.7.Net1,Net2 are ethernet interfaces,COM1,COM2 are 485 interfaces.8. If +24V on IO board is standard configuration or not,it is used as an input power supply only when using internal 24V.
Pulse 4(MC4)
Pulse 3(MC3)
Pulse 2(MC2)
(+24V)
Uc Uc'
Up Up'
Ub'Ub
Ua'Ua
IC'IC
D02
D04
D06
D08
D10
D12
D14
D16
D18
D20
D22
D24
I/OPOWER
B01B02
ON B06B05
B04B03
IaD01
IbD03
IcD05
IB
D07
OFFB10
B08
B09
B12
B14
B13
B11
B07
A02
A01
I0
D09
D11
IA
D13
D15
B17B18
B16
B19
B21B20
D17
D19
D21
D23
B23B24B25B26
B27B28B29
B22
A04
A06A05
B15A03
B30B31
B32
B34B35B36
B33
CPU
Ia'
Ib'
Ic'
IA'
AC
I0'
IB'
COM2A
COM2A
COM2B
COM2B
Debug
COM2
COM1
Net2
Net1
Run
C13
C17
DCS2+C19C20 DCS2-
C18 DCS1-
C16DCS1+
C14C15
C12
C10C11
COM1B
C08
C09
COM1B
COM1A
C06
C07
COM1A
C02
C04C05
C03
GPSB
GPSAC01
A21
A23A24
A22
A19
A20
A18
+WC
-WC
A10
A17
A16A15A14A13A12
A11
A08A09
A07
DCSIn2+
DCSIn2-
DCSIn1-
DCSIn1+D25
D27D28
D26
Pulse 1(MC1)
7.1 Diagram of terminals
Figure7-1 Terminal diagram of MCPR-610Hb microcomputer capacitor protection and
monitoring device
Ip'Ip
1.Ia,Ib,Ic are protection currents.2.IA,IB,IC are measuring currents.3.Ua,Ub,Uc are protection voltages.4.Up is unbalanced voltage input,Ip is unbalanced current input.5.I0 is zero-sequence current.6.DCSIn is 2-way 4~20mA DC input.7.Net1,Net2 are ethernet interfaces,COM1,COM2 are 485 interfaces.8. If +24V on IO board is standard configuration or not,it is used as an input power supply only when using internal 24V.
Pulse 4(MC4)
Pulse 3(MC3)
Pulse 2(MC2)
(+24V)
Uc Uc'
Up Up'
Ub'Ub
Ua'Ua
IC'IC
D02
D04
D06
D08
D10
D12
D14
D16
D18
D20
D22
D24
I/OPOWER
B01B02
ON B06B05
B04B03
IaD01
IbD03
IcD05
IB
D07
OFFB10
B08B09
B12
B14
B13
B11
B07
A02
A01
I0
D09
D11
IA
D13
D15
B17B18
B16
B19
B21B20
D17
D19
D21
D23
B23B24B25B26
B27B28B29
B22
A04
A06A05
B15A03
B30
B31
B32
B34B35B36
B33
CPU
Ia'
Ib'
Ic'
IA'
AC
I0'
IB'
COM2A
COM2A
COM2B
COM2B
Deb
ug
COM2
COM1
Net2
Net1
Run
C13
C17
DCS2+C19C20 DCS2-
C18 DCS1-
C16DCS1+
C14C15
C12
C10C11
COM1B
C08
C09
COM1B
COM1A
C06
C07
COM1A
C02
C04C05
C03
GPSB
GPSAC01
A21
A23A24
A22
A19
A20
A18
+WC
-WC
A10
A17
A16A15A14A13A12
A11
A08A09
A07
DCSIn2+
DCSIn2-
DCSIn1-
DCSIn1+D25
D27D28
D26
Pulse 1(MC1)
User’s Manual for MCPR-610Hb capicitor protection and monitoring device WLD[K]-JY-222-2010
-33-
7.2 Typical wiring diagram of the device
Figure 7-2 Typical wiring diagram of MCPR-610Hb capacitor protection and monitoring
device
Unbalanced current
Measuring currentZero-sequence current
Protection currentUnbalanced voltageBus voltage
Note: 1.As shown as the figure,PT secondary is wye-connected, when V -V wiring is present, terminals D15,D20 is connected to phase
A of PT secondary, terminals D16,D17 are connected to phase B of PT secondary, terminals D18,D19 are connected to phase C of
PT secondary.
Shielded ground
Heavy Gas
C C
Pulse common point+24V
Negative reactive pulse
Negative active pulse
Positive reactive pulse
Positive active pulse
DCSOut2-
DCSOut2+
DCSOut1-
Impulse 4( 4)
Impulse 3( )
Circuit breaker
ccbbaa BBAA
DCSOut1+
COM B
COM B
COM A
COM A
Shielded ground
COM B
COM B
COM A
COM A
Impulse common terminal+24V
Impulse 2( 2)
Impulse 1( )
A
A
Input common
point-
Breaker
Trolley Run
Trolley Test
GEarth Switch
Spring
Light Gas
Over T Trip
Temp. Alarm
Input 10
Input 11
Input 12
Device
Failure
+WC
Manual trip input
Remote control trip
Device panel+WC
Manual closing input
Remote control closure
Remote control common point
-WC
Closing coil
Trip position monitoring
Trip coil
Closing position monitoring
Closing position
Trip position
Power supply-
Shielded ground
Power off
Power supply+
Operating circuit
disconnected
a a b b c c
I/O plug-in unit
AC plug-in unit
Optical fiber communication port
Debugging port
MCPR-610Hb microcomputer capacitor protection and monitoring device
WC
WC
hase B hase C
Power plug-in unit
plug-in unit
CP
U
WC
WC
Device
Failure
PROT Output 2
Alarm Signal
Alarm Signal
Output 4
Output 4
Output 5
Output 5
TPROT Output 1
TPROT Output 1
PROT Output 2
Output 8
Output 9
normally open
Output 9
common point
Output 9
normally closed
Output 10
normally open
Output 10
common point
Output 10
normally closed
Output 8
Trip Signal
Trip Signal
DCSIn1-
DCSIn2-
DCSIn2+
DCSIn1+
AC plug-
in u
nit
User’s Manual for MCPR-610Hb capicitor protection and monitoring device WLD[K]-JY-222-2010
-34-
Part 8 Operating circuit of MXPR-600Hb series device
8.1 Use of external changeover and operating switches
Traditional operating circuits are started by current, while a voltage maintaining
circuit realizes electric trip prevention. An anti-trip relay will be selected depending on
the current of the trip/closing circuit of the circuit breaker. However, this has poor
generality and can hardly be realized for circuit breakers with low trip and closing
currents (such as 10kV circuit breakers from AEG Company in Germany, whose trip and
closing currents are not greater than 0.2A). To simplify wiring and design finalization,
and to improve the generality of the product, we offer a new operating circuit shown
below.
Schematic diagram of operating circuit 1
TBJ2
TBJTCJ1
SHJ
YTJ
HBJA20
HBJ
Trip output
Remote trip
Electrical
Protection
TCJ2
STJ
STJ
1LP
JnTn3
Tn4
HWJA10
TWJA09
Manual trip
Trip position
DLA13
HWJ
TWJ
A08TWJ
A12HWJ
A14
A20
A07
A11
TCJ
SHJ
Trip position
TBJ1
Tn2
A24
Tn1
Jn
A22
YHJ
A18
A19
A17
A23
A15
Clos
ing
circ
uit
Trip
circuit
Protection
Trip
Fuse
Small bus
TQDL
HQDL
KK84 5
ZK2
2LP
7KK
686ZK
3ZK
1
A16
output
output
trip
closing
anti-trip
User’s Manual for MCPR-610Hb capicitor protection and monitoring device WLD[K]-JY-222-2010
-35-
In the diagram, KK is a traditional operating switch, used for manual trip/closing
operations, ZK is a changeover switch, used for changeover of local and remote control.
When ZK is at the “Remote” position, the power of the remote control circuit will be
switched on, i.e., Terminal A22 of the device is connected to +KM, and the power of the
manual operating circuit is cut off, disabling manual closing and manual trip. On the
contrary, when ZK is at the “Local” position, the power of the manual operating circuit is
switched on and that of the remote control circuit is cut off.
Note: The dotted line outlines the internal circuit of the protection device. All our
devices marked with “anti-trip circuit” are designed on this operating circuit.
Terminals Tn1, Tn2 corresponding to the protection relay Jn are determined by the
corresponding protection output control word. Jn can be any one or more of Protection
outputs 1-8.
Whether local or remote control, the precondition to jump is Terminal A15 of the device
is always connected to +KM. After manual or remote controlled closing, if a short-circuit fault
occurs, the protection will operate to trip the circuit breaker. Though Terminal A15 of the
device is connected to +KM, the closing circuit is disconnected by TBJ1 and will not be
closed again. In this way, circuit breaker jump is effectively prevented.
User’s Manual for MCPR-610Hb capicitor protection and monitoring device WLD[K]-JY-222-2010
-36-
8..2 Use of trip and closing buttons on the panel
Schematic diagram of operating circuit 2
In the diagram, KK1, KK2 and ZK are on the panel, in which KK1 and KK2 are
manual closing and manual trip buttons (the manual closing and manual trip contacts are
already connected to manual close in and manual trip in internally) , ZK is a changeover
switch for switching between the local/remote positions, completely replacing the
changeover and operating switches on the board/cabinet panel.
Note: The dotted line outlines the internal circuit of the protection device. When a
control button on the panel is used, Terminal +KM A21 on the panel must be connected
to +KM.
A21
A16
1ZK
3
ZK6 8 6
KK27
2LP
2ZK
54 8KK1
DL HQ
DLTQ
Small bus
Fuse
Trip
Trip circuit
Closing circuit
A15
A23
A17
A19
A18
YHJA22
JnTn1
A24
Tn2
TBJ1
Trip position
SHJ
TCJ
A11
A07
A20
A14
HWJA12
TWJA08
TWJ
HWJA13
DL
Manual trip
A09TWJ
A10
Control circuitHWJ
Tn4
Tn3
Jn
1LP
STJ
STJ
TCJ2
Protection
Electrical
Remote trip
Trip output
HBJA20
HBJ
YTJ
SHJ
TCJ1 TBJ
TBJ2
disconnected
output
closing
anti-trip
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