May 25, 2007 1 #1 SeattleLuke Mechanical May 25, 2007 9 Does anyone out there have a good method for calculating the heat generated by a VFD?
May 25, 2007 #2 FiltrationEngineer Chemical Feb 28, 2005 95 I look it up in the specs or ask the manufacturer. Its easier than thinking or figuring... Upvote 0 Downvote
May 25, 2007 #3 sreid Electrical Mar 5, 2004 2,127 VFD's are pretty efficient. For a worst case number you could assume 5% of the full load output power. Upvote 0 Downvote
VFD's are pretty efficient. For a worst case number you could assume 5% of the full load output power.
Jun 1, 2007 #4 dcasto Chemical Jul 7, 2001 3,570 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. Upvote 0 Downvote
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.
