Patent ID: 9248744
Filing Date: 2016-02-02
CPC Classification: B60L,H02P

Claim Text:
1. A control apparatus for a multi-phase, switched reluctance motor, the motor comprising a stator and a rotor that is arranged so as to be rotatable relative to the stator, the stator having a plurality of pairs of opposing salient poles, each pair of the opposing salient poles having a plurality of coils of the same phase wound thereon, wherein each of the salient poles of the stator has a predetermined number of the same-phase coils wound thereon, the predetermined number of the same-phase coils being divided into a plurality of voltage application targets, the control apparatus comprising: a plurality of voltage adjusters each of which adjusts a voltage applied to a corresponding one of the voltage application targets on the same salient pole of the stator; a controller that controls each of the voltage adjusters via a pulse-width modulation based on comparison between a command signal and a corresponding one of a plurality of carrier signals, thereby controlling the voltage applied to the corresponding voltage application target to a command voltage that is indicated by the command signal; and a carrier signal generator which generates the carrier signals so that for at least one pair of the voltage application targets on the same salient pole of the stator, two of the carrier signals which respectively correspond to the pair of the voltage application targets are offset in phase from each other.