customersst

HV Circuit Breakers

customersst Siemens Fills The Order

Siemens has been a leader in SF6 circuit breaker technology for over 40 years.

Breaker products:− Dead tank breakers− Live tank breakers− Vacuum breakers− GIS− Circuit switchers− Reclosers− MV and HV Arrester

ProductsPTD H 3 World Headquarters in Berlin

customersst Over 30 Years Experience in

Jackson1973 – Plant opened as Allis Chalmers (Moved from Boston)

− Began production of SDO, BZO, GHO, TDO Breakers1978 – Became Siemens Allis1982 – Replace GHO with 3AT1985 – Purchased SP Breaker from Westinghouse to

replace TDO− Began Voltage Regulator Production

1992 - Began SPS1994 – Began Mfg. of TCP Design to replace BZO

− Began Mfg. of SDV to replace SDO1995 –Began Candlestick type Circuit Switcher production (CPV)1996 – Replaced TCP Design with SPS1-1451998 – Replaced SP / SPS / SPS1 with new SPS2 design1999 - Replaced TCP-245 with SPS2-2452000 – Replaced CPV with new CPV2 DesignPresent – SPS2, CPV2, Single and Three Phase Voltage Regulators,

Reclosers, Surge Arrestors

customersst

World Wide Dead-Tank Breaker Center Of Competency

SPT&D’s Jackson, Mississippi operation

Over 30 years of power circuit breaker development, manufacturing and service

State-of the-art circuit breaker manufacturing

Four dedicated assembly lines2 – SPS2 Circuit Breakers : 15.5 – 245 kV 1 – CPV2 Circuit Switchers : 72.5 – 245 kV1 – EHV Live Tanks : up to 800 kV1 – Voltage Regulating Transformers

Continuous improvement through Kaizen techniques

customersst Siemens Fills The Order

World leader in development and manufacturing of transmission & distribution equipment

ISO 9001:2000 registered quality system

Tested to ANSI and IEC standards in the world’s largest, privately owned, electrical laboratory

Over 30,000 dead and live tank sold worldwide – 10,000 SPS-2’s from USA

customersst

In a survey conducted by Frost & Sullivan, end users, developersand resellers considered Siemens PTD breakers as the highest quality breaker in the market in the 72 kV to 800 kV voltage range.

Market participants familiar with a range of high voltage breaker products cited Siemens PTD breakers, more than any other, as superior in terms of both product design and workmanship.

2005 Product Quality Innovation Award

customersst SPS2 / CPV2 “The Right Choice”

Design Commonality

Increased Operating Life

Quick and Easy Installation

Minimal Maintenance

No Field Adjustments

Lower Cost of Ownership

Retrofitable Design

Added Value

customersst SPS2 Circuit Breakers

Available 15kV – 245kVProven, global components− FA2 and FA4 Mechanisms− 3AP arc-assist interrupter

Seismically qualified to IEEE 693 for ‘ High ‘ performance

Rupture Disks for each interrupter

Copper / Stainless Steel Gas Manifolds

Porcelain / Composite Bushings

Direct replacement for oil circuit breakers (end control cabinets)

customersst CPV2 Circuit Switcher

Low cost protection device

Proven, global components− FA2 and FA4 Mechanisms− 3AP arc-assist interrupter

Designed & Tested for capacitor bank switchingContinuous current rating 1200 – 3150 amps.Interrupting rating up to 40 kA3 cycle operationWide variety of phase spacing and heightsVirtually no maintenance

customersst CPV2 Circuit Switcher

Meets the requirements of ANSI C37

Seismically qualified

Leak rate <1% per year

6000 mechanical operations

3000 operations at 6kA

18 full faults at 40kA

Ease of installation

No field adjustmentsIntegral accessories:

− visible disconnect switch− Hook stick operated bypass switch

customersst SPS2 Performance Features

Up to 63kA without capacitors (145kV and below)

Up to 68kA at 245kV

Up to 4000 Amp Continuous Current

10,000 mechanical operations

3,000 operations at 6kA

18 full faults at 40kA

Leak rate <1% per year

Up to -30 º to 55 º C without tank heaters

customersst Siemens Experience : The 3AP

interrupter

Over 90,000 pole units installed throughout the world

Superior performance− 18 full faults− 6000 operations at 6kA− 10,000 mechanical operations

No solid insulation across contacts

Increased dielectric strength across interrupters

customersst FA2/4 Mechanism

Proven performance in the field

30,000 installations worldwide

Tested to 20,000 operations or 10,000 Close-Open operations

Used on Siemens live tank and dead tank breakers, GIS and circuit switchers

customersst SPS2 - Options

Up to 18 current transformersMetering / Relaying accuracy CT’sExtra creepage bushingsComposite bushingsHigh seismic withstandExternal pull to trip handleRelays for reclosing or non-reclosing applications

customersst New / Future Offerings

− Increase kA Rating with higher low ambient

− Solon 2TC Density Switch

− Synchronous Close

− 550kV Dead Tank

− Polymer Bushing for 230kV, 3000Amp

− Low Temp. Ratings to -50°C

customersst Controlled Switching

Ungrounded Capacitor bank

+

SPS2X_US PSD Controller

customersst Synchrounous Close - Main functions

Output of controlled (synchronous) switching commands to the closing coil of the circuit breaker

Reduction of the inrush currents −Decreasing of the mechanical and electro-magnetic stresses of the operational equipment -> increasing of their life time

Minimising of overvoltages−Decreasing of the dielectric stress -> lower ageing−Substitution of closing resistors -> higher reliability

customersst Circuit Breaker Type SPS2X_US

One MechanismOne gear box located between A- and B- phase operating linkageTwo phases close at the same time, one phase mechanically staggered

Available on:SPS2 72.5/40 USSPS2 145/40 USSPS2 145/63 USSPS2 245/63 US

customersst

Control of the Closing Instant

PSD Controller receive a closing command related to Voltage Zero CrossingPSD Controller calculate delay time depending on:− Arcing Time− Mechanical closing Time− Control Voltage− Ambient temperatureAdaptive Mode− PSD Controller calculate the standardized mechanical operating time of the last

3 switching operations , using weighting factors for each 3 previous operations for the next switching operation to be configured automatically.

− The basis for the functioning of the adaptive control is the reference contacts located on each phase operating lever. The reference contact signal indicate a change to the CB switching position.

Operate in case of sensor failure− If not all conditions for successful control of the switching instant are met, the

PSD can be configured to: Not forward a command or Operate in any case.

PSD Functions

customersst

New 550 kV Design

customersst

Common Circuit-Breaker Design

for: GIS/HIS/Dead-Tank

Platform 550 kV Circuit-Breaker GIS/HIS/Dead-Tank

customersst

Platform 550 kV Circuit-Breaker 3AP2/3 Dead-Tank

Porcelainbushing

Currenttransformer

Circuit-breaker

Spring operator

8240

(324,4)

5600

(220,5)

3570

(140,5)

customersst Platform 550 kV Circuit-Breaker 3AP2/3 Dead-Tank

8570

(337)

5750

(226,4)

Compositebushing

Currenttransformer

Circuit-breaker

Spring operator

3540

(139,4)

customersst

Platform 550 kV Circuit-Breaker 3AP2/3 Dead-Tank with Closing Resistors

Capacitor Interrupter unit Rupture disc

Filter materialClosing resistor

customersst

Surge ArrestersStation and Distribution

customersst

Surge ArrestersIntroduction and General Information

Experience of more than... 75 years with surge protective devices25 years with metal-oxide surge arresters 15 years with polymer (silicone) insulated high-voltage arresters

Porcelain, polymer (silicone) and GIS arresters up to 800 kV

Special applications for ...SC, SVC and HVDCseismic, heavy wind loads or heavy pollution conditions customer specific designs, e.g. mounting configuration, etc.MV such as plug-in arresters, traction vehicles, generator protection, limiters

Developing, manufacturing and testing in accordance with international standards as IEC and ANSI

Certified QA accreditation to ISO 9001

customersst

High Voltage Arresters up to 800 kV Series 3EL, 3EP, 3EQ, 3ES

3EP4 3EP2 3EP3 3EQ1 3EQ3 3ES2 3ES5 3ES7,3ES9

3EQ4

3EX5 0303EX6 040 3EX5 0503EX5 060/62

3EL2

Silicone (tube design)

Porcelain GIS

Monitoring Devices

Silicone(cage design)

customersst

Low- and Medium Voltage ArrestersSeries 3EA, 3EB, 3EC, 3EE, 3EF, 3EH, 3EK

3EA1 3EF1...5 3EC33EE2 3EK7 3EB1 3EB2

RailwayDistributionLow voltage and motor/generator protection

customersst

Polymer Housed Surge Arresters for High VoltageComparison of Design Principles

SIEMENS „3EQ“ SIEMENS „3EL“

„Tube Design“ „Cage Design“ „Wrapped Design“Competition

customersst

Silicone Housed Surge Arresters for High VoltageType 3EL with directly moulded LSR Housing

Column of MO resistorstotally surrounded by silicone

Silicone rubber housingdirectly moulded onto theactive part

Cage of 8 FRP rodsas reinforcement structure

„Cage Design“

customersst

Silicone Housed Surge Arresters for High VoltageType 3EL – Design Principle: „Cage Design“

customersst

Silicone Housed Surge Arresters for High Voltage3EL - Comparison of Cantilever Strength

Rated Cantilever Strength ( inch-lbs)

3EL arresters are up to 2 – 3 times strongerthan other polymer designs!

Siemens Ohio Brass ABB

3EL2 PVN * PEXLIM

WORKING 24,782 10,000 – 3,000 7,000 – 22,125

ULTIMATE 35,400 20,000 – 5,000 11,500 – 35,400

* JOINTS BETWEEN THE RUBBERS – POOR MECHANICALS -- HIGH DEFLECTION

customersst

Silicone Housed Surge Arresters for High VoltageType 3EL - Specification

Duty Cycle Rating Ur 192 kV

MCOV Uc 152 kV

Nominal discharge current In 10 kA

Energy absorption capability 10 kJ/kV-MCOV

Pressure Relief Rating 65 kA

TOV - 1 sec, no prior duty 1.475 x MCOV

“Working” Cantilever Strength 24782 inch-lbs

Creepage Distance 301 inches

Standard ANSI / IEEE C62.11

customersst

Silicone Housed Surge Arresters for High VoltageSeries 3EQ - „The Robust One“

3EQ1up to Um = 362 kV

3EQ4up to Um = 550 kV

3EQ3up to Um = 800 kV

„Tube Design“

customersst

Silicone Housed Surge Arresters for High Voltage3EQ – Design Principle: “Tube design”

MO column (ZnO resistors)

Pressure relief ventMaterial: Aluminium

Pressure relief diaphragmMaterial: Stainless steelThickness: 3EQ1: 0,1 mm

3EQ3/4: 0,2 mmOpening pressure: approx. 1 bar

Silicone rubber shedsMaterial: RTV-siliconedirectly moulded onto FRP tube

FRP tube (Fiber glass reinforced plastic) for out-standing mechanical strength

Support for MO columnMaterial: FRP rods

Housing filled with nitrogento avoid oxygen (causing moisture)

customersst

Silicone Housed Surge Arresters for High Voltage3EQ - Silicone Bonding to Flanges and FRP-tube

The silicone rubber is directly moulded onto the FRP-tube and the aluminium flanges.

1 ... Aluminium flanges2 ... Silicone rubber3 ... FRP-tube

1

23

1

2

3

customersst

Silicone Housed Surge Arresters for High Voltage3EQ - Comparison of Cantilever Strength

3EQ arresters with tube design are more than 6- 8 times strongerthan other polymer designs!

Rated Cantilever Strength ( inch-lbs)

Siemens Ohio Brass ABB

3EQ PVN * PEXLIM

WORKING 37,000 –260,000

N/A 22,125

ULTIMATE 53,000 –370,000

N/A 35,400

* NO HIGH STRENGTH POLYMER DESIGN AVAILABLE

customersst

Silicone Housed Surge Arresters for High VoltageComparison: Short Circuit and Overload Performance

3EQ (tube design) 3EP Cage Design

Before the test

After the test

Successful

Successful

3EP3EQ Cage Design

Arc burns through silicone

No mechanical structure left

customersst

Silicone Housed Surge Arresters for High Voltage3EQ in a Seismic Shake Table Test

3EQ4 306-3PN4(≈ Um = 420 kV)

3EQ4 442-5PN5(≈ Um = 550 kV)

3EQ1 156-2PN3(≈ Um = 170 kV)

3EQ4 234-3PN4(≈ Um = 300 kV)

Test conditions in accordance with IEEE 693:• time history test• 1·g ground acceleration• max. 50% of specified mechanical stress

customersst

Benefits of SIEMENS Surge Arrester DesignsMinimizing number of segments per arrester

SIEMENS CompetitionExample left side (SIEMENS):3EQ with 2 segments for up to 550 kV system voltage

Example right side (competition):4 units per stack for the same voltage level orarrester with additional insulators for stabilisation ormultiple segment arrester built up with MV arresters

Minimizing the number of segments per arrester means:

more stability = higher mechanical cantilever strength

less segments to mount = less installation time

--> less installation costsless danger of moisture ingress between flangesbetter voltage distribution

all in all:The lower the number of segments per arrester stackthe better the electrical and mechanical performance is.

customersst

Arrester Monitoring DevicesTypes 3EX6 040, 3EX5 030, 3EX5 050, 3EX5 060/62

Control Spark Gap

3EX6 040

Surge Counter with leakage current meter

3EX5 050

Surge Counter

3EX5 030

Arrester monitor with remote indication

3EX5 060/062

customersst

Voltage Regulators

customersst

JFR (Single Phase)

2.5 kV to 19.9 kV, 38.1 kVA to 889 kVA,

50/60 Hz Applications

+ / - 10 % Regulation in 32 Steps

Equipped with Controller (MJ-XL)

customersst Voltage Regulator - Applications

Pole MountedPlatform MountedSubstation

customersst Three Phase Regulators

SFR - 4330 V - 34500 V

500 kVA – 4000 kVA

Smaller foot print compared

to three single phase units

customersst

Three Phase (SFR) Three Phase (SFR-X)

Tap changer in separate compartment

customersst Modern Control Panel

customersst What a Control Panel Does ?

• Functionality

• Advanced Metering• Superior Data Logging• Intuitive User Interface• Powerful Communications• Continuing Enhancements

It senses parameters like Voltage, Current, Power Flow direction and provides commands to the tap changer of VR. Additionally, the modernmicroprocessor based controllers are providing efficient communication, Energy Management and diagnostics capabilities to the power companies.

customersst Advanced Metering

• Instantaneous Voltages, Current, & Power• Demand Voltages, Current, & Power• Minimum/Maximum Time Stamps to the second• Energy Readings • Support for 3-Phase Calculations• Harmonics Displays to the 31st harmonic

customersst Superior Event Logging

• Multiple “Event Types”• Tap Change, Tap at Neutral, Tap

raise/lower to NN position, VLC/VRCactive, Power Flow reversal, Configuration change,

• Precise time stamping

• High capacity (200 events)

• Critical data storage

• Non-volatile data storage

customersst Multiple Alerting

• Metering

• Tap Tracking

• Remote Control

• Controller Error

customersst Intuitive User Interface

• Menu-Driven

• Easy - to -read Displays

• Simple Menu Navigation

• Single Keystroke for Frequently accessed Functions

customersst Data Port Communications

• Use Industry-accepted Protocol

• Retrieve Data & Status

• Configure the panel

• Select Parity & Address

• Connect with off-the-shelf Cables

• Use off-the-shelf Modems

customersst Control Panel - Communication Modules

Radio Integration via wireless communication (Cell Phone)

Fiber Optic Communications Port

RS232/RS485 Communications Port

customersst Cost Saving – An example

Communication Module can provide

− Reduced frequency of site visits− Data available instantaneously – Preventive

maintenance instead of emergency work− Use software capability to safely overload VRs

up to 60 %− Use available data to planning purposes− Check power quality while sitting in your office− Control Peak Loads (TO AVOID PENALTIES)

and Reduce Voltage

customersst Firmware upgrades

Use of a specially developed “Flash Loader”

customersst Questions?