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How do you test PFC Capacitors?


Issue:
How do you test PFC Capacitors?

Product Line:
Fixed capacitors

Environment:
Maintenance

Cause:
Troubleshooting 

Resolution:
1)  Look for any sign of bulging, burnt marks or arcing sign. 
2) Megger capacitor from phase to ground. You should get a high resistance level.
3) Measure micro farad phase to phase, A-B, B-C, C-A, micro farad should be balanced. Wait 5 minutes for cap to discharge, then ground each phase prior of making measurements.

CAUTION: This testing should be done by Trained Professionals
 
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