A low cost 500 watt motor and drive for HVAC Applications: UW-Madison's design for the future energy challenge

Participants in the 2003 International future energy challenge attempted to design a single phase input, 500 watt adjustable speed motor and drive with a million unit volume production target cost of $40. The UW-Madison team approach is presented in this paper. A soft magnetic composite segmented stator PM-BLDC design and back-EMF sensing drive is proposed. Manufacturing cost is the main constraint in this design. Educational aspects are also discussed.

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