The order is the fifth and largest for 2MW wind turbines whose design Inox licensed from AMSC in May 2009. Shipments will be completed in 2014, AMSC says.

"To date, we have installed nearly 250MW of high-quality, reliable, cost-competitive wind turbines in India, a solid step toward our objective of becoming India's premiere wind power company," says Inox wind director Devansh Jain, director of Inox Wind

Among other things, the power electronics systems control power flows, regulate voltage, monitor system performance, and control the pitch of blades and yaw of the turbines to maximize efficiency.

"Since