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Motors running hot with modified sine wave | 5 comments (5 topical, editorial)

Re: Motors running hot with modified sine wave (3.00 / 0) (#4)
by ghurd on Sun Apr 6th, 2008 at 08:39:09 AM MST
(User Info)

I never had a problem.
Then again, the motors don't run that long. Drills, sanders, saws...
Popped more than my share of inverter fuses. :-)
Popped a few inverters too. :-(

I never had a problem with the corded 'fancy speed controlled' tools either.
Like those that make a high pitch squeal when they are partly powered, but not yet moving.
The first inverter test (for me) is a 1/4HP variable speed scroll saw, then a big variable speed 1/2" hammer drill, then a medium sized circular saw.
G-

Re: Motors running hot with modified sine wave (3.00 / 0) (#5)
by Gog on Tue Apr 8th, 2008 at 04:14:01 AM MST
(User Info)

With my cheapo msw inverters, I havent had any problems with motors.
But I have have done in a few thermal cut outs on little transfomer power supplies (wall warts)

cheers

[ Parent ]

Motors running hot with modified sine wave | 5 comments (5 topical, 0 editorial)

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