Power Capacitors and Capacitor Banks

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Power Capacitors and Capacitor BanksSelected Projects

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Capacitors for the WorldIn 2009, Siemens extended its product portfolio to deliver high-voltage power capacitors and capacitor banks to cus-tomers worldwide. These products and systems fulfill the highest electrical and mechanical requirements; they are used for the most diversified applications and can be operated under the most stringent environ mental conditions.Siemens High Voltage Power Capacitors do not only enhance the transmission capacity or the network stability, but also contribute to economic growth and enable a signifi-cant reduction in carbon dioxide emissions.

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Selected Projects Page01 HVDC Hudson USA 0402 SVC Bout-de-l’Île Canada 0503 HVDC Adani India 0604 HVDC Estlink 2 Finland & Estonia 0705 HVDC Black Sea Georgia 0806 FSC Tucuruí-Manaus Brazil 0907 MSCDN Lincs Wind Farm UK 1008 MSCDN Dudgeon Wind Farm UK 1109 High Voltage MSC Brazil 1210 SVC Sapeaçu Brazil 1311 Other selected projects 14

Other selected projects

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In May 2011, Hudson Transmission Partners, LLC awarded a contract to Siemens to connect the power supply net-works of New Jersey and New York using a 660 MW back-to-back HVDC system that will contribute to the stabiliza-tion of the connected systems, a key benefit in the event of grid disturbances or blackouts.

The capacitor plant in Brazil supplied 18 single-phase, high-voltage AC filter banks (internally fused technology) and 36 single-phase, medium-voltage AC filter banks (C2/ C3 and C4-type, unfused technology) for this HVDC system, providing unit outputs larger than 1.0 Mvar for the first time.

HVDC Hudson – USA

Technical Data

Location West 49th Street

Total rated power 1.3 Gvar

Unit output 122 to 1,019 kvar

Bank voltages 8.4 to 244.7 kV

Rated unit voltages 7.2 to 17.7 kV

Quantity of units 1,524

Technology Internally fused and unfused

Supply date May 2012

Temperature category

–30/+40 °C –22/+104 °F

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In February 2013, the capacitor plant in Brazil supplied two three-phase, single tunned filter capacitor banks, two three-phase, thyristor-switched capacitor banks and surge ca pacitors. These capacitor banks were designed to support a high seismic requirement (0.45 g) and a very low temperature (–40 °C).

STF and TSC capacitors units were designed with internally fused technology and surge capacitors with unfused tech-nology. Type and special tests were performed according to CAN/CSA – 60871:03 to assure design is able to with-stand environmental and electrical requirements.

SVC Bout-de-l’Île – Canada

Technical Data

Location Poste du Bout-de-l’Île, Montreal

Total rated power 1,400 Mvar

Unit output 922 to 934 kvar (TSC and STF) and 0.2 µF (surge)

Bank voltages 28 to 36.5 kV

Rated unit voltages 7.1 to 9.1 kV (TSC and STF) and 17.5 kV (surge)



Supply date 2013


–40/+40 °C –40/+104 °F

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The HVDC system operated by Adani Power Ltd. has a transmission capacity of 2,500 MW and provides low-loss energy transmission over a distance of approximately 960 km, from the port of Mundra located on the west coast to the industrial regions in the Haryana state.

The AC filters for this HVDC system represent the first large order for the capacitor factory in Jundiaí, which delivered the first units to India only six months after the official inauguration in December 2009. The total installed output of the 54 single-phase, high-voltage AC filters was close to 4,000 Mvar and the total number of units supplied was 4,840 (including spare parts).

HVDC Adani – India

Technical Data

Locations Mundra and Mohindergarh S/S


Unit output 815.6 to 852.0 kvar




Technology Internally fused

Supply date August 2010


–5/+50 °C +23/+122 °F

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In December 2010, Fingrid and Elering awarded the contract for the Estlink 2 Converter Stations to Siemens, using a HVDC Transmission System with a transmission capacity of 650 megawatts at a DC voltage of ± 450 kilo-volts.

The Siemens capacitor factory in Brazil supplied a total of 24 single-phase, high-voltage AC filter banks (C1-type) using internally fused and fuseless technology and 36 single-phase, medium-voltage AC filter banks (C2/C3-type unfused technology).

HVDC Estlink 2 – Finland & Estonia

Technical Data

Locations Anttila and Puessi substations


Unit output 113 to 849 kvar




Technology Internally fused, fuseless and unfused



–40/+40 °C –40/+104 °F

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In August 2010, Energotrans Ltd. awarded a contract to Siemens for 350 MW back-to-back HVDC systems in Georgia. The HVDC converter station will connect the networks in Georgia and Turkey via two back-to-back links.

The capacitor plant in Brazil supplied 27 single-phase, high-voltage AC filter banks (internally fused technology) and 36 single-phase, medium-voltage AC filter banks (C2 and C3-type, unfused technology) for this HVDC system located at an altitude of 1,100 meters above sea level in a seismic region.

HVDC Black Sea – Georgia

Technical Data

Location Akhaltsikhe substation




Rated unit voltages 9.3 to 18 kV





–25/+50 °C –13/+122 °F

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Siemens was awarded the FACTS systems for the 1,800 km (> 1,000 miles) long 500 kV high-voltage transmission line connecting the Tucuruí Hydro Power Plant with the city of Manaus in 2010. The scope of the project included a total of 18 fixed series capacitors located at five different substations in the Amazon forest.

The capacitor factory in Jundiaí was responsible for the supply of all the capacitors for this project, which, at the time, was considered to be the largest FACTS project ever executed worldwide.

FSC Tucuruí-Manaus – Brazil

Technical Data

Locations Five substations along the Tucuruí-Manaus transmission line



Bank voltage 500 kV




Supply date 2010 – 2012


–5/+50 ºC +23/+122 ºF

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The Lincs project, owned by Lincs Wind Farm Ltd. is located in the Greater Wash Wind Farm Park, England and gener-ates a capacity of 270 MW. The energy generated offshore is transferred to the grid via the Walpole Onshore Sub-station located in Norfolk Country. Siemens was awarded the contract for the construction of the onshore substation in 2010. The Siemens high-voltage capacitor plant provided a total of six single-phase capacitor banks for the 132 kV-MSCDN, comprised of fuseless C1 and C2 banks, with a total installed rating of 246.3 Mvar, as well as six single-phase banks with internally fused capacitors for the 13.9 kV MSC, with a total output of 145.7 Mvar.

MSCDN Lincs Wind Farm – UK

Technical Data

Location Walpole substation

Total rated power 392 Mvar


Bank voltages 132 and 13.9 kV


Quantity of units 576

Technology Internally fused and fuseless

Supply date April 2011


–25/+40 °C –13/+104 °F

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The Dudgeon Offshore Wind Farm Project is located in the North Sea, approximately 32 km off the UK coast at Cromer, Norfolk. The wind farm generates a total capacity of 402 MW. This power is collected at 33 kV by an AC off-shore substation platform, before being exported to shore at 132 kV. In 2015, Siemens was awarded the contract to supply capacitor banks for two 132 kV MSCDNs located in the Necton Onshore Substation. In total, there are six single-phase capacitor banks, comprised of internally fused C1 capacitors and unfused C2 capacitors. Due to extremely low sound pressure requirements, the capacitor units were specially designed and the banks were supplied with sound damping hoods.

MSCDN Dudgeon Wind Farm – UK

Technical Data

Location Necton Substation

Total rated power 103.68 Mvar

Unit output 233.5 and 396.9 kvar

Bank voltages 8.51 and 96.03 kV

Rated unit voltages 4.25 and 9.60 kV



Supply date 2015


–25/+40 °C –13/+104 °F

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In June 2011, a transmission company from ISA Group awarded a contract to Siemens for two high-voltage shunt capacitor banks. In September 2012, this same company awarded another contract to Siemens to supply two additional high-voltage shunt capacitor banks. These four high-voltage shunt capacitor banks were identical and they were installed in two substations located in São Paulo State, Brazil, to supply reactive power to growing energy demand in the largest industrial and most populous state in Brazil.

High Voltage MSC – Brazil

Technical Data

Locations ISA Group Substations, located in São Paulo State


Unit output 754.7 kvar

Bank voltage 92.5 kV

Rated unit voltage 7.62 kV



Supply date 2011 and 2013


–10/+40 °C +14/+104 °F

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Siemens was selected to supply the SVC system in the Sapeacu Substation, located in Bahia State, Brazil. In December 2012, the capacitor plant in Brazil supplied two three-phase, single-tunned filter capacitor banks (STF), two three-phase, thyristor-switched capacitor banks (TSC) and surge capacitors. The STF and TSC capacitor units were designed with internally fused technology, and the surge capacitors were designed with unfused technology.

SVC Sapeaçu – Brazil

Technical Data

Location Bahia State


Unit output 917.3 to 999.8 kvar (TSC and STF) and 0.2 µF (surge)


Rated unit voltages 6.1 to 9.1 kV (TSC and STF) and 12 kV (surge)



Supply date 2012


–5/+55 °C +23/+131 °F

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Other selected projects

Project Customer/ Country/ Year

Scope Technical Data Highlight/ Technology

Pulp & Paper Plant

Pulp & Paper IndustryBrazil2014

9 x 36.2 kV Harmonic Filters (F)129 x 36.2 kV Surge Capacitor Banks (S)

Total rated power 73 Mvar Internally fused, fuseless and surge capacitors. Other filter components (reactors, cur-rent transformers, switches, surge arresters) included on scope

Unit output 300 to 800 kvar (F) and 0.4 µF (S)

Bank voltages 44 kV (F) and 34.5 kV (S)

Unit voltages 12.7 kV (F) and 17.25 kV (S)


HVDC WATL AltaLinkCanada2013

36 x HV single-phase AC filter banks; 60 x MV single-phase AC filter banks; 6 x HV single-phase shunt banks

Total rated power 3,045 Mvar Very low temperature –50 °C, internally fused and unfused capacitors



Unit voltages 5.73 to 17.06 kV


MSCDN 400 kV RTEFrance2013 to 2015

20 x MSCDN (Type 150 Mvar – 380 kV)

Total rated power 6,665 Mvar Internally fused capacitorsUnit output 593.2 to 886.2 kvar




HVDC ATCO ATCO Electric Canada2013


Total rated power 2,462 Mvar Very low temperature –50 °C, internally fused and unfused capacitors


Bank voltages 8.86 to 376 kV



SVC Diego de Almagro

TranselecChile 2013

1 x MSC (Type 75.64 Mvar – 12.27 kV)

Total rated power 75.64 Mvar High seismic conditions, internally fusedUnit output 900.5 kvar

Bank voltage 12.27 kV

Unit voltage 6.13 kV


Harker, Hutton and Stella400 kV MSCDN

National GridUnited Kingdom 2013

5 x MSCDN (Type 225 Mvar – 400 kV)

Total rated power 1,459 Mvar Low temperature –25 °C, internally fusedUnit output 719.8 and 825.1 kvar

Bank voltages 244 kV and 31.7 kV

Unit voltages 7.92 and 9.40 kV


MSCDN Gwynt Y Mor

RWEUnited Kingdom2012

6 x 132 kV filter banks; 4 x 13.9 MSC banks

Total rated power 495 Mvar Internally fused and fuseless capacitorsUnit output 212.6 to 875.5 kvar

Bank voltages 6.73 and 98.05 kV



SVC Gerdau Diaco

Diaco S.A.Colombia2012

3 x three-phase filter circuits

Total rated power 118.5 Mvar Industrial electric arc furnace application, internally fusedUnit output 584.4 to 1091.5 kvar

Bank voltages 7 to 20.8 kV

Unit voltages 4.04 to 12 kV


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Project Customer/ Country/ Year

Scope Technical Data Highlight/ Technology

SVC Horqueta and SVC Guarambaré

AndeParaguay2011 and 2015

4 x three-phase single tuned filter banks; 3 x three-phase TSC-banks

Total rated power 513.9 Mvar Internally fused capacitorsUnit output 727.6 to 948.2 kvar




HVDC Kontek Energinet Denmark2011

1 x three-phase HV filter (282 kV); 2 x three-phase MV filter banks

Total rated power 96.7 Mvar Noise reduced with external noise damping hoods, inter-nally fused and unfused capacitors

Unit output 643/435/427 kvar

Bank voltage 282 kV

Unit voltages 20.7 / 17.2 / 19.2 kV


MSC London Array Windfarm

London ArrayUnited Kingdom2011

4 x MSCDN (Type 150 kV)

Total rated power 156.2 Mvar Fuseless capacitorsUnit output 360.5 / 370.2 kvar

Bank voltage 150 kV

Unit voltags 14.2 / 4.16 kV


HVDC Cook-straight, Pole 3

TranspowerNew Zealand2011


Total rated power 1,165 Mvar Very high seismic require-ments, internally fused and unfused capacitors


Bank voltages 257 to 348 kV



MSC Jí Paraná, S/S Vilhena

ELETRONORTEBrazil2010

4 x MSC (Type 20.52 Mvar – 242 kV)

Total rated power 82.1 Mvar Fuseless capacitors, high humidity environment (Northern Brazil)

Unit output 570 kvar

Bank voltage 242 kV



SVC Bom Jesus da Lapa II

TAESA Brazil2010, 2011, and 2015

2010: filter I and filter II for SVC (B); 2011: surge capacitor (S); 2015: TSC (B)

Total rated power 343.8 Mvar First SVC application with internally fused capacitors delivered in 2010 (Filters I and II). In 2011, surge capacitors were delivered, and in 2015, internally fused capacitors were delivered for the TSC.

Unit output 786.0 to 916.0 kvar (B) and 0.1 µF (S)


Unit voltages 5.7 to 13.4 kV (B) and 24 kV (S)


MSC ANDE RIEDER & CIA CLYFSAParaguay2009 to 2016

12 x MSC (6 Mvar and 12 Mvar – 24 kV)

Total rated power 120 Mvar Twelve capacitorbanks supplied from 2009to 2016. Bank components: internally fused capacitors, reactors and current trans-formers

Unit output 500 kvar

Bank voltage 24 kV



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Siemens Power Capacitor factory is located in the industrial complex in Jundiaí, Brazil, the largest production complex of Siemens in Latin America.

Siemens Power Capacitor Factory

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History – 50 Years of Experience

1959 Laelc starts operations, manufacturing Power Capacitors for several projects, including Itaipú HVDC, the first 600 kV HVDC of the world in the 80’s.

1979 Laelc buys the technology to manufacture internally fused capacitors.

2007 Siemens acquires from Laelc the technology to manu-facture power capacitors and capacitor banks.

2009 Siemens Power Capacitor factory starts commercial opera-tion and was awarded its first large HVDC order for India.

Today Siemens Power Capacitor are globally present in several countries around the world with a product portfolio for all types of application.

Power Capacitor Factory

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Siemens entered the Power Capacitor market with a product for the most diversified applications. Long-term, reliable technology and intensive R&D invest-ments lead to a state-of-the-art product, compliant with the most stringent technical and environmental requirements, including extremely low temperatures (like –50 °C in northern Canada), extremely high temperatures (like +50 °C in India), high humidity (like in the rainforests of northern Brazil) and the most extreme seismic zones (like in New Zealand).

Power Capacitors – Technical Data

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Capacitor Banks – Applications

Flexible AC Transmission Systems (FACTS)

Parallel Compensation

Static Var Compensator (SVC)

Mechanically Switched Capacitor with Damping Network (MSCDN)

Mechanically Switched Capacitors (MSC)

Series Compensation

Thyristor Controlled Series Compensation (TCSC)

Thyristor Protected Series Compensation (TPSC)

Fixed Series Compensation (FSC)

AC Harmonic Filters

AC PLC Filters

Long Distance and Back-to-Back HVDC – AC & DC Filters

AC & DC Surge Capacitors

Capacitor Unit Design

Technology Internally fused, externally fused, fuseless, and unfused

Rated voltage With internal fuses: up to 15 kV Without internal fuses: up to 24 kV

Frequency 50 Hz/60 Hz

Rated power Up to 1000 kvar (50 Hz) Up to 1200 kvar (60 Hz)

Current Max. 180 A

BIL 95 kV, 125 kV, 150 kV, 170 kV, 200 kV

Dielectric Polypropylene film and oil

Impregnant Biodegradable PCB-free oil

Discharge resistor 75 V/10 min or 50 V/5 min

Losses With internal fuses: < 0.20 W/kvar Without internal fuses: < 0.12 W/kvar

Temperature range –50/+55 ºC

Standards IEC, IEEE, ABNT, CSA, and others

Quality certificates ISO 9001; ISO 14001; OHSAS 18001

Final figures to be confirmed during projectFor other standards please consult the factory

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Published by

Siemens Ltda., EM TS TI CA Av. Eng. João F.G. Molina 1745 13213-080 Jundiaí – SP – Brazil. Phone: +55 11 4585 3150 Phone: +55 11 4585 3124

For more information, please contact our Customer Support Center. Phone: +55 11 4585-8040 (Charges depending on provider) E-mail: [email protected]

Article No. EMTS-B10015-00-4AUS Printed in Germany Dispo 30003 TH 150-160182 BR 0716

Subject to changes and errors. The information given in this document only contains general descriptions and/or performance features which may not always specifically reflect those described, or which may undergo modification in the course of further development of the products. The requested performance features are binding only when they are expressly agreed upon in the concluded contract.

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Power Capacitors and Capacitor Banks