A summary of the controversial development of Kenetech's KVS-33 turbine has just been made public. The 80-page final report, by the electricity utilities' Electric Power Research Institute (EPRI), is entitled: "Power electronic, Variable-speed Wind Turbine Development, 1988-93." The cost of developing the turbine, formerly named the 33M-VS, and the turbine's performance are at the centre of Kenetech's current problems. Attempting to protect its technology, the company has sued German Enercon and New World Power Corp, for copyright-infringement in importing the Enercon technology to the United States. It is not clear if the EPRI publication, just announced, will shed real light on the enormous sums spent in developing the KVS-33 and on the ownership or origins of the disputed variable speed technology.
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