ABB Wins $17-Million Excitation Systems Order from the Bureau of Reclamation

ABB Power Electronics to support extensive plant rehabilitation with state-of-the-art excitation equipment

MONTREAL, May 4 -- ABB, a power and automation technology group, has been awarded an order to supply six UNITROL(R) 6800 static excitation systems for the Third Power Plant at Grand Coulee Dam located on the Columbia River in Washington State.

The UNITROL(R) 6800 is the latest and most powerful generation of static excitation systems, based on AC 800PEC control platform. The units are scheduled to be delivered in 2011 through to 2013 respectively.

"ABB's vast experience in the field of static excitation systems, including a large installed base of UNITROL systems and previous flawless project execution were all key factors that helped ABB win this project." said Mike Wallin, Vice President for Power Electronics in North America

"Grand Coulee Dam is the largest hydropower producer in the United States and we are delighted to be facilitating productivity and system stability at the Bureau of Reclamation plant." said Dieter Hunkeler, the excitation systems senior sales engineer who worked on the project.

ABB's scope includes designing, manufacturing, installation and testing the six water cooled static excitation systems complete with water cooled power potential transformers, HV and LV bus as well as the removal of existing equipment.

Excitation systems regulate the voltage and reactive power output of a generator. This crucial element in power generation is required for system stability and power network stability.

About ABB

ABB (www.abb.com) is a leader in power and automation technologies that enable utility and industry customers to improve their performance while lowering environmental impact. The ABB Group of companies operates in around 100 countries and employs about 117,000 people.

Contact:

For further information: Derek Monk, Director of Sales & Service - North America, Power Electronics - Excitation/LCI Systems & Converter Products for Hydrokinetics/Fuel cells, 514-332-5350, [email protected]

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