For two years wind industry observers have been following U.S. component maker AMSC’s (formerly American Semiconductor) suit against the world’s second largest wind turbine manufacturer, China’s Sinovel. The suit alleged theft of intellectual property – software code for AMSC’s PM3000 control system, which works with its low-voltage ride-through (LVRT) to regulate the flow of electricity to the grid – and use of the stolen software in Sinovel’s wind turbines. AMSC had filed a suit with a US federal court in its home state of Massachusetts, and corresponding ‘cease and desist’ civil actions in the Beijing No. 1 Intermediate People’s Court and the Hainan Province No. 1 Intermediate People’s Court in China.
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