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Author Topic: Borehole pump and VFD troubles again  (Read 3066 times)
roys
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« Reply #15 on: October 09, 2014, 10:59:52 AM »

Another problem you can get with motors fed via a VFD (although not sure how relevent here) is that if the motor is being driven at below its normal rated speed then the fan on the motor will not be putting enough cooling air across the cooling fins of the motor casing causing it to overheat and burn out.
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