Sinusoidal signal decoder for 12-step motor commutation

Details Sinusoidal signal decoder for 12-step motor commutation Sinusoidal signal decoder for 12-step motor commutation

1990-03-30

1991-04-30

Ro, Bentsu

Electricity: motive power systems

Switched reluctance motor commutation control

318138, H02K 2912

Patent

active

050121677

ABSTRACT:
12-step motor commutation is provided by a three-phase sinusoidal signal generator and related circuitry. Circuitry which compares the voltage outputs of two primary signals provides two additional switching points for every 360 electrical degrees. Three comparator circuits provide six additional switching points. Primary voltage outputs are weighted in the ratio of 2:1 prior to comparison.

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