Development of an Elastic-Impulse Power Transmission for Wind Energy Conversion Systems. Final Report

摘要

A multiload-capable elastic-impulse power transmission for use in Wind Energy Conversion Systems (WECS) was designed, prototype constructed and bench tested. The transmission interposes a temporary energy storage device between the input and output shafts, and therefore allows the two shafts to rotate at virtually independent speeds. For utility interface induction generators which must run at essentially constant speed, the transmission allows the turbine rotor to run at variable speed, thereby maintaining the constant tip-speed ratio corresponding to the peak-power point. The transmission was found to work in principle, but the first construction prototype exhibited low efficiencies (24%) due to the constraints imposed by the utilization of commercial components. (ERA citation 11:019801)