India chooses GE Power Conversion technology to meet growing energy demands
Monday, May 06, 2013
GE's Power Conversion business will help India face its ever increasing electricity demand through the use of its highly efficient variable-speed drive technology, which offers greater output control, for THDC India Ltd.’s (Tehri Hydro Development Corporation), 1,000 Megawatt (MW) pumped-storage hydro power plant. The new facility is located on the Bhagirathi River in the state of Uttarakhand.

This is the first pumped-storage power plant in India to use variable-speed pump turbine sets, which will provide higher power output than previous systems and provide much needed grid stability for India’s increasing electricity demands.

Alstom selected GE Power Conversion to provide its Voltage Source Drive technology. GE’s Power Conversion drive systems will be used for all of the plant’s variable-speed motor/generator sets of the pump turbines to enable continuous control of the plant’s pump output. The facility, which will produce much-needed power for northern India when it enters service in 2016, supports India’s “Power for All” initiative to bolster the country’s energy security.

“Combined with Alstom’s technology, GE’s expertise and track record will play a significant role in this first-of-its-kind project to provide solutions for highly efficient power generation” said Frédéric Teyssedou, Alstom Hydro India Managing Director. “We are confident that GE and Alstom, operating as local companies, will make together major contributions to India’s energy future.”

“GE is a leading supplier of equipment for variable-speed pumped-storage power plants in Europe, with our technology deployed for 18 projects completed or currently under construction,” said Stephan Krämer, Power Generation business leader of GE’s Power Conversion. “As we bring our technology to India, one of the world’s fastest growing regions for power generation, we are helping them meet their needs for cleaner, efficient and reliable electricity. Because of its efficiency and productivity benefits, variable-speed drive technology is an excellent match for the region’s power needs.”

Demand for pumped-storage power plants is increasing in India and worldwide. Pumped storage is a more efficient and flexible form of storing electricity on a large scale, enabling utilities to respond quickly to demand and replacing the fossil fuels traditionally used during peak demand periods with renewable, CO2-free energy.

Most pumped-storage power plants worldwide are fixed-speed systems. The only way to control pump output in these plants is to activate and/or deactivate individual machine sets. The use of variable-speed drives leads to higher efficiency, especially in partial-load operation, because the operating point can be perfectly adapted to grid conditions.

Source: EMG
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