gene heskett wrote: > On Wednesday, March 09, 2011 08:02:40 PM Jon Elson did opine: > > >> The current draw of >> a 100 Hp motor on 240 V is about 330 A per line! Yikes, the transistors >> must be the size of a brick! >> >> >> Jon >> > > I am wondering where you got those figures Jon? > OK, I was extrapolating from a 1 Hp Bridgeport motor, which is rated at 3.3 A at 240 V. Obviously, there is an efficiency scaling factor I didn't take into account for larger motors.
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