Electrical machine and method of controlling the same

Details Electrical machine and method of controlling the same Electrical machine and method of controlling the same

H - Electricity

02

P

H02P 6/24 (2006.01) H02K 11/00 (2006.01) H02K 29/00 (2006.01)

Patent

CA 2544557

An electrical machine having a stator and a rotor. The stator includes a core and a plurality of windings disposed on the core in a multiple-phase arrangement. The rotor is disposed adjacent to the stator to interact with the stator. A method of operating the motor includes applying a pulsed voltage differential to first and second terminals of the windings resulting in movement of the rotor; monitoring the back electromotive force (BEMF) of the windings to sense rotor movement; after the applying and monitoring steps, monitoring the BEMF of the windings to determine whether the rotor is rotating in a desired direction, and electrically commutating the motor when the rotor is rotating in the desired direction and zero or more other conditions exist.

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