Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1996-10-29
1999-11-30
Ramirez, Nestor
Electrical generator or motor structure
Dynamoelectric
Rotary
310179, 310184, 310198, 318696, H02K 300
Patent
active
059948124
ABSTRACT:
Five phase windings (P1-P5) of a motor 30 are disposed on a common stator 32. An rotor 34 contains three magnetic pole pairs (M1N, M1S, M2N, M2S, M3N, M3S). Each phase winding is energized for 72.degree. (electrical) corresponding to 24.degree. rotor rotation (mechanical). During the first half (36 electrical degrees) of each phase winding's electrical energization, the immediately preceding phase winding is simultaneously energized, and during the second half (36 electrical degrees) of each phase winding's electrical energization, the immediately succeeding phase winding is energized. At any given time, only two of the phase windings, and no others, are being simultaneously energized.
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McGraw Hill Encyclopedia of Engineering (2.sup.nd Edition) p. 368, 1993.
Ramirez Nestor
Siemens Canada Limited
Tamai Karl Eizu
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