Product brochure

Multi Functional Switchgear PASS M00 72.5 kVFlexible and compact switchgear solutions for windfarms

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The future of Wind Farms

As offshore wind farms move towards deploying higher capacity turbines of 5MW and above, energy losses during energy transfer will escalate unless higher voltages are used for power evacuation.

In comparison with onshore installations, offshore wind farms have more predictable wind flows and avoid conflicts with other types of land use; however higher costs imply the necessity to pursue economies generated by increasing the power of the turbines and the dimensions of the farms on the one side and decreasing the power absorbed by the collection grid on the other.

The increases of the produced power, of the distance from shore, of the distance between wind turbines and of their number in a single wind farm have amplified the importance of reducing the power losses that may be obtained using HV connection.

EWEA forecasts predict that in the next two decades the traditional 2 MW and 3 MW turbines will nearly completely give way to turbines of 5 MW and above, operating in farms producing hundreds of MW each.

Inst

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Global Offshore Wind Turbine Market Forecast by Turbine Size (MW): 2010-2025

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1.5-2.99 MW3.00-4.99 MW≥ 5.00 MW

Annual and Cumulative Installed EU Offshore Capacity (MW): 1991-2010

Total annualTotal cumulative

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The PASS modular design allows a wide range of configurations fully comprehensive of:

− Circuit breaker; − Disconnecting switches; − Earthing switches; − Current transformers; − Voltage transformers; − Surge arresters; − Protection and control systems.

PASS M00 is a suitable solution for HV Wind Farm collection grids due to its main advantages:

− Compactness due to full gas insulation; − Short installation time (no HV test is required on site); − High reliability obtained through lean design; − Fast repair in case of faults due to modular assembly; − Remote control permitted by motor operability; − Easy combination with oil insulated, gas insulated and dry

power transformers; − Easy cable connection by means of plug-in components; − Long life time due to proven design for harsh environmental

conditions.

PASS M00

PASS M00 is the ABB line of multifunctional modules that cover voltages between 72.5 kV and 100 kV and breaking currents up to 40 kA.

PASS M00 technical datasheetEncapsulation single phase

Rated voltage kV 72.5

Frequency Hz 50 - 60

Rated breaking current kA 31.5 40

Rated current A 2500 3150

TIPRated power kVA 5 - 200

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− Reduce the number of array necessary to evacuate the energy arising from Wind Turbine generators;

− Reduce the numbers of cables in parallel for each feeder due to lower currents;

− Enhancing the power capacity of each feeder, the number of wind turbines for each feeder can increase;

− Reduce the losses in subsea AC internal grid array cables;

− Decrease the voltage drop in feeders/string;

− Decrease the short circuit value on internal grid apparatus;

− Avoid the construction of off-shore HV/MV platform substation when off-shore wind farms are close to the coast;

− Make possible having flexible internal configuration and reaching higher reliability.

The advantages of high voltage modules

A case study of new generation offshore Wind Farms equipped with 5 MW turbines revealed that the use of PASS M00 modules in 72 kV collection grids allowed to fit a complete HV substation within a tower.

Actual technology

PASS technology

Same total generated power

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PASS M00 configurations for Wind Farms

Configuration APASS M00 SBB

Configuration CPASS M00 In and Out with 2 cables sectionalized

Configuration DPASS M00 In and Out with 3 feeders

Configuration BPASS M00 In and Out with 1 cable sectionalized

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Example of configuration with TIPThe Inductive power transformer (TIP) combines the capabilities of a voltage transformer for voltages up to 420 kV with the characteristics of a power transformer with ratings up to 200 kVA; therefore it is a perfectly suitable solution for supplying the PASS M00 switchgear and other auxiliary services, with these advantages:

− Reduced dimensions; − Maintenance free; − Fast connection; − High reliability; − Wide range of available power; − Possibility to include a disconnector; − Resistance to stressful environmental conditions.

PASS M00 configurations for Wind Farms

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Example with separate units and TIP

Containers All the units including PASS M00 and TIP can be provided with a protective container as shown here.

Contact us

For more information please contact:

ABB S.p.A. Power Products DivisionUnità Operativa Adda-HVVia dei Ceramisti, sncI-26900 LodiTel: +39 0371 452.1 Fax: +39 0371 452.222

www.abb.com

2GJA

7086

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PAS

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201

3.01

(mt)Data and illustration without engagement. We reserve

the right to make changes in the course of technical development.

© Copyright 2013 ABB.All rights reserved.