EVGRAY Archive

INTERESTING ROTOVERTOR CIRCUIT BY PHIL WOOD

Database ID: 106797
2018-03-04T11:48:05+00:00
Douglas Konzen <[email protected]>

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Hi all

This is rotoverto motor circuit done by Phil Wood from Australia  a few years ago (maybe could also be a Transvertor 3ph transformer circuit too?)

...note he has a small cap across each phase wind, then pulls out power from the run cap phase (virtual phase) of the rotovertor motor by first going through a FWBR, and then this charges a battery (lead acid I am sure) then note he has power go in series through a DC load....apparently this could be used at start-up to get the motor going, instead of using a great big UF cap for the start cap so energy is not wasted upon start up is one of its uses....This sort of replaces the run cap capacitor with a DC load I think is overall idea (two DC loads actually)

This circuit might be dangerous if you connect that switch while motor is running at sinewave speed, and the DC load resembles the load of a start cap - it would make huge magnetic braking to the motor rotor and slam it to stop very abrupt motor could fly off bench break a rib or two like what happened to Norm...

ciao

Kone

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Thread-Topic INTERESTING ROTOVERTOR CIRCUIT BY PHIL WOOD
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From "Douglas L. Konzen" <[email protected]>