High steps brushless DC (BLDC) motor

Details High steps brushless DC (BLDC) motor High steps brushless DC (BLDC) motor

2007-08-03

2009-11-17

Masih, Karen (Department: 2837)

Electricity: motive power systems

Synchronous motor systems

Brushless motor closed-loop control

C318S815000, C318S132000

Reexamination Certificate

active

07619383

ABSTRACT:
A brushless motor circuit is for driving a brushless direct current (BLDC) motor. The motor includes a rotor and exciting coils for respective phases in a three-phase winding in a star configuration. A neutral point in the star configuration is configured to switch to one of a ground voltage, a supply voltage, and an open circuit voltage to provide more combinations. The combinations provide extra steps in one revolution for a better resolution with enhanced efficiency.

REFERENCES:
patent: 6128436 (2000-10-01), Bos et al.

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