Brushless DC motor using phase timing advancement
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United States of America Patent
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Oct 14, 1997
Grant Date -
N/A
app pub date -
Feb 15, 1996
filing date -
Aug 22, 1989
priority date (Note) -
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Abstract
A drive system for a brushless DC motor uses pulse width modulation, and phase timing advancement to maintain a constant power output during high speed use. The arrangement is well suited for driving a brushless motor in an electric vehicle and the like.
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