PWM drive filter inductor influence on transient immunity
Conference
·
OSTI ID:427914
- Detroit Edison, MI (United States)
- Michigan State Univ., East Lansing, MI (United States). Dept. of Electrical Engineering
Surges of less than 200% magnitude caused by utility capacitor switching can disrupt PWM drives. In this paper, the disruption mechanism is investigated by SPICE simulation of the drive and the results are compared to field tests. An over current surge in the rectifier/filter section and dc over voltage are the most common disruption mechanisms. The drive dc filter inductor is the most important factor in capacitor transient sensitivity of the drive. A drive without the inductor or one in which the inductor is saturated by the transient is vulnerable to disruption.
- OSTI ID:
- 427914
- Report Number(s):
- CONF-9510203--
- Country of Publication:
- United States
- Language:
- English
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