Apparatus for reducing the effects of turn on delay errors in mo

Details Apparatus for reducing the effects of turn on delay errors in mo Apparatus for reducing the effects of turn on delay errors in mo

1997-11-21

1999-06-29

Sterrett, Jeffrey

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

363 41, H02M 7797

Patent

active

059177217

ABSTRACT:
A method and apparatus for compensating for deviations in the alternating voltage produced by a PWM inverter. The necessary sequence in which inverter components must be triggered results in voltage error pulses that accumulate over time and result in deviations from ideal voltage at motor terminals. By allowing the error pulses to continue and adjusting the trigger times to compensate for the error pulses, the effect of the error pulses is negated and the voltage deviations are eliminated.

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