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Heat from VFD?

Heat from VFD?

Heat from VFD?

(OP)
Does anyone out there have a good method for calculating the heat generated by a VFD?  

RE: Heat from VFD?

I look it up in the specs or ask the manufacturer.  Its easier than thinking or figuring...

RE: Heat from VFD?

VFD's are pretty efficient.  For a worst case number you could assume 5% of the full load output power.

RE: Heat from VFD?

I'd go with the 5%.  Our VFD vendor selected an AC system for the MMC building and they even got it wrong and had to come back and add a second AC.

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