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Intelligence for Ring Main Units - Siemens

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The Intelligent MV/LV substation<br />

an Important Module<br />

<strong>for</strong> Optimizing Distribution Grids<br />

© <strong>Siemens</strong> AG 2012. All rights reserved.<br />

Seite 1 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO


Today<br />

Distribution Networks & Distributed Energy Resources<br />

Drivers in Europe<br />

110 kV<br />

0.4 kV<br />

20 kV<br />

Unidirectional<br />

power flow<br />

Simple<br />

distribution<br />

trans<strong>for</strong>mer<br />

� Radial system<br />

� Simple protection<br />

� Simple or no automation<br />

� Simple or no communication<br />

Seite 2 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO<br />

Tomorrow<br />

Generation/<br />

Consumption<br />

at LV level<br />

Bidirectional<br />

power flow<br />

Generation<br />

at MV level<br />

Intelligent<br />

meters<br />

e-car<br />

infrastructure<br />

Energy<br />

Tap changer<br />

Storage<br />

distribution<br />

trans<strong>for</strong>mer<br />

� Meshed system<br />

� Adaptive protection<br />

� High automation degree<br />

� Bidirectional communication


Distribution Automation / Feeder Automation<br />

From blind spot to full vision<br />

Improve availability Improve Power Quality<br />

Reduce outage time<br />

Interruption(%)<br />

Black: without automation<br />

Blue: three point automation<br />

Red: all stations are automated<br />

Time<br />

Meet power quality standards<br />

Seite 3 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO<br />

U max<br />

+10%<br />

230 V<br />

U min<br />

-10%<br />

Time


Distribution Automation<br />

1. Improve availability<br />

Improve availability<br />

Reduce outage time<br />

Interruption(%)<br />

Black: without automation<br />

Blue: three point automation<br />

Red: all stations are automated<br />

Seite 4 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO<br />

Time


20kV<br />

Application of a cable network<br />

Solution <strong>for</strong> centralized not automated configurations<br />

1703 Smart IED<br />

Feeder Automation<br />

0,4 kV<br />

SICAM<br />

Substation<br />

Automation<br />

SmartGrid<br />

Control Center<br />

Normally open point<br />

Seite 5 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO


20kV<br />

Application of a cable network<br />

Solution <strong>for</strong> centralized not automated configurations<br />

1703 Smart IED<br />

Feeder Automation<br />

0,4 kV<br />

SICAM<br />

Substation<br />

Automation<br />

SmartGrid<br />

Control Center<br />

Normally open point<br />

Seite 6 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO<br />

� Fault in<strong>for</strong>mation<br />

to Substation in<br />

next level switch gear<br />

and Control Center<br />

� Open circuit breaker<br />

automatically to<br />

de-energize the ring


20kV<br />

Application of a cable network<br />

Solution <strong>for</strong> centralized not automated configurations<br />

1703 Smart IED<br />

Feeder Automation<br />

0,4 kV<br />

SICAM<br />

Substation<br />

Automation<br />

SmartGrid<br />

Control Center<br />

Normally open point<br />

Seite 7 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO<br />

� Fault in<strong>for</strong>mation<br />

to Substation in<br />

next level switch gear<br />

and Control Center<br />

� Open circuit breaker<br />

automatically to<br />

de-energize the ring<br />

� Setup time <strong>for</strong><br />

service crew


20kV<br />

Application of a cable network<br />

Solution <strong>for</strong> centralized not automated configurations<br />

1703 Smart IED<br />

Feeder Automation<br />

0,4 kV<br />

SICAM<br />

Substation<br />

Automation<br />

SmartGrid<br />

Control Center<br />

Normally open point<br />

Seite 8 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO<br />

� Fault in<strong>for</strong>mation<br />

to Substation in<br />

next level switch gear<br />

and Control Center<br />

� Open circuit breaker<br />

automatically to<br />

de-energize the ring<br />

� Setup time <strong>for</strong><br />

service crew<br />

� Due to fault indicator<br />

the right station can be<br />

found easily


20kV<br />

Application of a cable network<br />

Solution <strong>for</strong> centralized not automated configurations<br />

1703 Smart IED<br />

Feeder Automation<br />

0,4 kV<br />

SICAM<br />

Substation<br />

Automation<br />

SmartGrid<br />

Control Center<br />

Normally open point<br />

Seite 9 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO<br />

� Fault in<strong>for</strong>mation<br />

to Substation in<br />

next level switch gear<br />

and Control Center<br />

� Open circuit breaker<br />

automatically to<br />

de-energize the ring<br />

� Setup time <strong>for</strong><br />

service crew<br />

� Due to fault indicator<br />

the right station can be<br />

found easily<br />

� Open load switches<br />

sides on one side of<br />

the fault location


20kV<br />

Application of a cable network<br />

Solution <strong>for</strong> centralized not automated configurations<br />

1703 Smart IED<br />

Feeder Automation<br />

0,4 kV<br />

SICAM<br />

Substation<br />

Automation<br />

SmartGrid<br />

Control Center<br />

Normally open point<br />

Seite 10 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO<br />

� Fault in<strong>for</strong>mation<br />

to Substation in<br />

next level switch gear<br />

and Control Center<br />

� Open circuit breaker<br />

automatically to<br />

de-energize the ring<br />

� Setup time <strong>for</strong><br />

service crew<br />

� Due to fault indicator<br />

the right station can be<br />

found easily<br />

� Open load switches<br />

sides on one side of<br />

the fault location<br />

� Traveling to Normally<br />

Open Point<br />

� Close the Normally<br />

Open Point


20kV<br />

Application of a cable network<br />

Solution <strong>for</strong> centralized not automated configurations<br />

1703 Smart IED<br />

Feeder Automation<br />

0,4 kV<br />

SICAM<br />

Substation<br />

Automation<br />

SmartGrid<br />

Control Center<br />

Normally open point<br />

Seite 11 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO<br />

�<br />

�<br />

�<br />

�<br />

�<br />

�<br />

Fault in<strong>for</strong>mation<br />

to Substation in<br />

next level switch gear<br />

and Control Center<br />

Open circuit breaker<br />

automatically to<br />

de-energize the ring<br />

Setup time <strong>for</strong><br />

service crew<br />

Due to fault indicator<br />

the right station can be<br />

found easily<br />

Open load switches<br />

sides on one side of<br />

the fault location<br />

Traveling to Normally<br />

Open Point<br />

� Close the Normally<br />

Open Point<br />

� Traveling to second<br />

side of fault location<br />

� Open load switches<br />

sides on second side


20kV<br />

Application of a cable network<br />

Solution <strong>for</strong> centralized not automated configurations<br />

1703 Smart IED<br />

Feeder Automation<br />

0,4 kV<br />

SICAM<br />

Substation<br />

Automation<br />

SmartGrid<br />

Control Center<br />

Normally open point<br />

Seite 12 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO<br />

� Fault in<strong>for</strong>mation<br />

to Substation in<br />

next level switch gear<br />

and Control Center<br />

� Open circuit breaker<br />

automatically to<br />

de-energize the ring<br />

� Setup time <strong>for</strong><br />

service crew<br />

� Due to fault indicator<br />

the right station can be<br />

found easily<br />

� Open load switches<br />

sides on one side of<br />

the fault location<br />

� Traveling to Normally<br />

Open Point<br />

� Close the Normally<br />

Open Point<br />

� Traveling to second<br />

side of fault location<br />

� Open load switches<br />

sides on second side<br />

� Control Center Restore<br />

services by closing the<br />

infeed circuit breaker


20kV<br />

Application of a cable network<br />

Self Healing- Service restoration in 4 steps<br />

Smart IED<br />

Feeder Automation<br />

0,4 kV<br />

SICAM<br />

Substation<br />

Automation<br />

Seite 13 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO


20kV<br />

Application of a cable network<br />

Self Healing- Service restoration in 4 steps<br />

Smart IED<br />

Feeder Automation<br />

0,4 kV<br />

SICAM<br />

Substation<br />

Automation<br />

Seite 14 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO<br />

Fully automated<br />

Service Restoration<br />

� Fault in<strong>for</strong>mation to<br />

Substation in next leve<br />

switch gear<br />

� Open circuit breaker<br />

automatically to<br />

de-energize the ring


20kV<br />

Application of a cable network<br />

Self Healing- Service restoration in 4 steps<br />

Smart IED<br />

Feeder Automation<br />

0,4 kV<br />

SICAM<br />

Substation<br />

Automation<br />

Seite 15 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO<br />

Fully automated<br />

Service Restoration<br />

� Fault in<strong>for</strong>mation to<br />

Substation in next level<br />

switch gear<br />

� Open circuit breaker<br />

automatically to<br />

de-energize the ring<br />

� Open load switches<br />

on both sides of the<br />

fault location and<br />

close at the same<br />

time the normal open<br />

ring automatically


20kV<br />

Application of a cable network<br />

Self Healing- Service restoration in 4 steps<br />

Smart IED<br />

Feeder Automation<br />

0,4 kV<br />

SICAM<br />

Substation<br />

Automation<br />

Seite 16 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO<br />

Fully automated<br />

Service Restoration<br />

� Fault in<strong>for</strong>mation to<br />

Substation in next level<br />

switch gear<br />

� Open circuit breaker<br />

automatically to<br />

de-energize the ring<br />

� Open load switches<br />

on both sides of the<br />

fault location and<br />

close at the same<br />

time the normal open<br />

ring automatically<br />

� Restore services by<br />

closing the circuit<br />

breakers at ring infeed<br />

in less than 3 minutes


Distribution Automation<br />

2. Meet power quality standards<br />

Improve Power Quality<br />

Meet power quality standards<br />

U max<br />

+10%<br />

230 V<br />

U min<br />

-10%<br />

Seite 17 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO<br />

Time


Distribution Automation<br />

Power Quality<br />

Umax inside the<br />

limits of regulation<br />

Seite 18 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO<br />

+10%<br />

U max<br />

230 V<br />

U min<br />

-10%<br />

Classical voltage curve of an feeder without decentralized in feed<br />

Distribution<br />

Trans<strong>for</strong>mer<br />

Voltage<br />

limits<br />

U<br />

I<br />

R+jX R+jX R+jX R+jX<br />

No Overvoltage<br />

l<br />

Load<br />

t


Distribution Automation<br />

Power Quality and Decentralized in feed<br />

Local over voltage<br />

depends on<br />

size of infeed<br />

and network<br />

impedance<br />

Seite 19 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO<br />

Umax<br />

+10%<br />

230 V<br />

U min<br />

-10%<br />

Voltage Curve of decentralized infeed and asymmetric loads<br />

Distribution<br />

Trans<strong>for</strong>mer<br />

Voltage Limits<br />

U<br />

I<br />

~ Inverter<br />

R+jX R+jX R+jX R+jX<br />

Overvoltage<br />

Decentralized Generation like PV<br />

l<br />

Load


Distribution Automation<br />

New concepts of voltage regulation<br />

Wide Area Voltage Control Regulated Distribution Trans<strong>for</strong>mer<br />

Seite 20 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO


Low-Voltage Distribution<br />

Energy-Distribution solution<br />

MV Distribution<br />

SICAM CMIC<br />

Keep voltage limits<br />

Reduce voltage dips<br />

Increase load capacity<br />

DLC<br />

Modbus<br />

SICAM P<br />

Distribution-Network<br />

Optimization<br />

AMIS<br />

Meter<br />

SICAM T<br />

Seite 21 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO<br />

LV Distribution<br />

SINVERT<br />

Solar<br />

Improved power quality to reduce<br />

side effects<br />

Improved load capacity<br />

<strong>for</strong> decentralized power infeed<br />

Smart<br />

Meter<br />

Postpone costly network upgrades


This offers further economic<br />

advantages:<br />

•<br />

•<br />

•<br />

•<br />

•<br />

•<br />

•<br />

Intelligent Trans<strong>for</strong>mer Substations<br />

Offer Additional Economic Advantages<br />

Regenerative power supplies, climate-protection targets, regulation of incentives and maintenance<br />

of energy quality require an active Distribution-system with intelligent trans<strong>for</strong>mer substations<br />

Increase distribution reliability<br />

Improve distribution operations and<br />

maintenance<br />

Leverage small decentralized<br />

generation<br />

Handle bidirectional power flow<br />

Increase distribution power quality<br />

Leverage of increasing number of<br />

e-cars<br />

Integration of metering data<br />

<strong>Siemens</strong>� the right component <strong>for</strong> every task<br />

Seite 22 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO<br />

�<br />

�<br />

�<br />

�<br />

�<br />

�<br />

�<br />

�<br />

�<br />

�<br />

�<br />

�<br />

Medium-voltage switchgear 8DJH<br />

Telecontrol system: SICAM mic<br />

Smart IED: SICAM emic/cmic, 7SC80<br />

Substation automation/telecontrol node :<br />

SICAM PAS<br />

Sensors and actors with various partners<br />

Communication:<br />

conventionally and WiMAX / BBPL<br />

Network control system SINAUT PowerCC<br />

Decentralized energy management DEMS<br />

Power Quality SIMEAS (MV/LV)<br />

Electronic Meters AMIS<br />

Network planning<br />

Application competence


Thank you <strong>for</strong> your<br />

attention!<br />

Seite 23 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO


Backup Slides<br />

Seite 24 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO


The Intelligent Trans<strong>for</strong>mer Substation<br />

“3 Levels of <strong>Intelligence</strong>”<br />

Trans<strong>for</strong>mer<br />

Low voltage MV switchgear<br />

Seite 25 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO<br />

1<br />

2<br />

3<br />

�<br />

�<br />

�<br />

Monitoring<br />

Higher availability<br />

Faster fault location<br />

Telecontrol<br />

Minimization of down times<br />

("h" � "min")<br />

Power-flow control<br />

� Minimization of losses<br />

� Management of decentralized<br />

power supplies


Design of an Intelligent Trans<strong>for</strong>mer Substation<br />

Communication RTU – Control Level<br />

Two possible designs <strong>for</strong> Intelligent Trans<strong>for</strong>mer Substations: 1) RTU integrated in MV-Switchgear<br />

2) RTU in separate “RTU-Box”<br />

Interface<br />

switchgear/RTU<br />

RK 1 RK 2 Trafo<br />

<strong>Siemens</strong> RMU 8DJH<br />

RTU<br />

Energy storage<br />

(battery or<br />

capacitors)<br />

Wireless (GSM / GPRS)<br />

IEC 60870-5-101/104<br />

Telephone<br />

connection<br />

(analog/ISDN)<br />

Ethernet TCP/IP<br />

IEC 60870-5-101/104<br />

IEC 61850*<br />

<strong>Siemens</strong> RTU<br />

SICAM<br />

EMIC / CMIC<br />

Telecontrol node/<br />

Substation Automation<br />

SICAM PAS / SICAM 1703<br />

Distribution<br />

Management System<br />

Spectrum PowerCC<br />

IEC 60 870-5-101/104<br />

IEC 61850<br />

* in preparation IEC working group 17<br />

Seite 26 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO


Secondary Trans<strong>for</strong>mer Substations:<br />

The Key Positions in the Network<br />

Functions of SICAM Smart IED<br />

resp. AMIS DC<br />

Low-voltage (LV)<br />

management<br />

� LV monitoring<br />

� Integration of meter data<br />

� LV cable protection<br />

� Power-quality monitoring<br />

� Reactive power /<br />

harmonics compensation<br />

� Trans<strong>for</strong>mer regulation on<br />

secondary side<br />

� Coordination of infeed<br />

and load<br />

1<br />

Existing components<br />

Dezentrale Energieeinspeisung<br />

1<br />

AMIS<br />

electr. meter<br />

SICAM Smart IED,<br />

resp. AMIS DC<br />

Feeder Automation<br />

incl. Load Management<br />

Design V4<br />

variable<br />

secondary system<br />

distribution trans<strong>for</strong>mer<br />

Components under development<br />

1 2<br />

1 2<br />

8DJH<br />

MV switchgear<br />

Current and<br />

voltage<br />

sensors or<br />

signal amplifiers<br />

Functions of SICAM Smart IED<br />

resp. AMIS DC<br />

Distribution-system<br />

management<br />

Seite 27 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO<br />

1<br />

2<br />

�<br />

�<br />

�<br />

�<br />

�<br />

Remote control/monitoring<br />

of secondary trans<strong>for</strong>mer<br />

substations<br />

Automatic restoration of<br />

Power-supply<br />

Data source <strong>for</strong> MV<br />

monitoring<br />

Coordination of infeed<br />

and load<br />

Communication manager<br />

(peer-to-peer)


Today's Economical Compromise<br />

“3-Points” Automation as an Interims Step<br />

Seite 28 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO<br />

UW1<br />

Network<br />

connection<br />

point<br />

UW2<br />

110 kV<br />

110 kV<br />

20 kV<br />

7<br />

20 kV<br />

- 103<br />

- 104/101<br />

- 104/101<br />

Network<br />

control<br />

center<br />

IEC 60870-5<br />

- 104<br />

“Control<br />

center"<br />

PV<br />

VIP customer


Communication Situation Today -<br />

No Direct Communication Infrastructure<br />

1<br />

1<br />

AMIS<br />

Electronic<br />

Meter<br />

20kV<br />

Dezentralized Energy Infeed<br />

SICAM CMIC<br />

SICAM EMIC<br />

Spectrum Power CC<br />

DSCADA/DMS<br />

Fiber Optic Network<br />

SICAM<br />

Substation<br />

Automation<br />

SICAM PAS<br />

Setup change <strong>for</strong> communication:<br />

(Pros and Cons <strong>for</strong> Communication alternatives)<br />

� Cable / pilot wire<br />

- expensive, - time consuming setup<br />

� GPRS<br />

- unbuffered, - 3rd party dependency<br />

� Tetra-Net<br />

+ availability, - hierarchical<br />

� WiMAX<br />

+ cost optimized, + Networking ability<br />

� BPLC*<br />

+ cost optimized, + Networking ability<br />

1<br />

* Broad Band Power Line Communication<br />

Energy Management System<br />

DEMS<br />

Seite 29 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO<br />

0.4 kV<br />

1<br />

1


Upcoming Communication Systems<br />

Introduce New and Cost-Efficient Possibilities<br />

1<br />

1<br />

AMIS<br />

Electronic<br />

Meter<br />

20kV<br />

SICAM CMIC<br />

SICAM EMIC<br />

Spectrum Power CC<br />

DSCADA/DMS<br />

Fiber Optic Network<br />

WiMAX<br />

BPLC*<br />

IEC 60870-5-104<br />

IEC61850**<br />

SICAM<br />

Substation<br />

Automation<br />

SICAM PAS<br />

Energy Management System<br />

DEMS<br />

Dezentralized Energy Infeed * Broad Band Power Line Communication ** depending on progress in Working Group 17<br />

Seite 30 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO<br />

1<br />

0.4 kV<br />

1


The way <strong>for</strong> the future: Modbus Communication<br />

within the Trans<strong>for</strong>mer Substation<br />

SICAM FCM<br />

SICAM CMIC<br />

Feeder Condition Monitor<br />

with in 8DJH integrated<br />

Medium-voltage sensors<br />

Compact Micro RTU<br />

especially designed <strong>for</strong><br />

Secondary Substations<br />

Motor Control Unit<br />

The electronic switch<br />

controller <strong>for</strong> 8DJH<br />

FIT<strong>for</strong>mer® REG<br />

Transfomer with<br />

LV Tab changer<br />

RS485 Modbus RTU<br />

Seite 31 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO<br />

SICAM P50<br />

Low-Voltage<br />

measurements


8DJH – Secondary Distribution Switchgear<br />

<strong>for</strong> <strong>Ring</strong> <strong>Main</strong> <strong>Units</strong><br />

�<br />

�<br />

�<br />

�<br />

�<br />

�<br />

�<br />

�<br />

Up to 17.5 kV, 25 kA or 24 kV, 20 kA<br />

Busbar 630 A, feeders up to 630 A<br />

Factory assembled, type tested switchgear<br />

acc. to IEC 62271-200<br />

Metal-enclosed<br />

Single busbar<br />

Gas-insulated, sealed <strong>for</strong> life<br />

Flexible due to extension option and block<br />

<strong>for</strong>mation<br />

� Individual panels and block versions<br />

8DJH<br />

Seite 32 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO


�<br />

�<br />

�<br />

�<br />

FIT<strong>for</strong>mer® REG – your sustainable success model<br />

<strong>for</strong> integrating renewable energies<br />

Range of ratings up to 630 kVA;<br />

highest voltage <strong>for</strong> equipment: 36 kV<br />

Low-voltage load regulation range in<br />

three steps<br />

Operational characteristics and<br />

dimensions correspond to those of<br />

common distribution trans<strong>for</strong>mers<br />

Additional setting range on the high-<br />

voltage side <strong>for</strong> optimum operation<br />

Seite 33 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO


Smart Grid RTU<br />

SICAM CMIC <strong>for</strong> Distribution Automation<br />

Compact mechanical<br />

design<br />

Designed <strong>for</strong> rugged<br />

environment conditions:<br />

� Highest EMC (5kV)<br />

� - 40 to + 70°C<br />

Seite 34 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO<br />

�<br />

Integrated UPS (excl.<br />

Batteries)<br />

� Add. Voltage outputs <strong>for</strong>


Monitor <strong>for</strong> Medium Voltage Distribution Systems<br />

SICAM Feeder Condition Monitor<br />

Use as<br />

Short Circuit / Earth Fault Detector<br />

with directional in<strong>for</strong>mation<br />

Condition Monitor<br />

– U / I / P / Q / S / cosφ / f<br />

and load flow direction<br />

SICAM FCM<br />

LC-Display <strong>for</strong> In<strong>for</strong>mation and Configuration<br />

3 x I – Phase currents<br />

2 x I – Phase + 1 x I sensitive earth<br />

Inputs Low Power IEC 60044-8 or 1A<br />

3 x U Phase Voltages (230 V; 100V/�3;<br />

3.25V/�3 )<br />

Archive<br />

15 Minute Values of all currents<br />

Trailing pointer <strong>for</strong> 15 min upto 1Jahr<br />

Communication: Modbus RTU<br />

Power Supply: 24-60VDC /230VAC<br />

integrated Battery <strong>for</strong> ~20 Years<br />

Environmental condition: -30°...+85° C<br />

Seite 35 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO


Current Solutions For Intelligent Trans<strong>for</strong>mer Substations<br />

2 3 5<br />

4<br />

1<br />

Integrated RTU:<br />

1 SICAM EMIC<br />

2 Lead gel battery<br />

3 Power-supply unit <strong>for</strong> battery<br />

4 MCB<br />

5 Modem<br />

Seite 36 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO


Current Solutions For Intelligent Trans<strong>for</strong>mer Substations<br />

Separate RTU box:<br />

1 SICAM EMIC<br />

2 Wireless modem<br />

3 UPS with Power-supply unit + battery<br />

4 MCB<br />

5 Local-remote switch<br />

2<br />

1<br />

4<br />

3<br />

5<br />

Seite 37 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO


Current Solutions For Intelligent Trans<strong>for</strong>mer Substations<br />

Seite 38 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO


Optimized Future Solution For Intelligent Trans<strong>for</strong>mer Substations<br />

Seite 39 August 2012 Distribution Automation<br />

<strong>Siemens</strong> AG / IC SG EA PRO

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