Greetings all,
While my intentions with this are completely off topic, the
information could be extremely helpful for those running asynchronous
rotaries, and I know of nobody else to ask this question, thus I fell
no guilt putting it here. I want to know if it is possible to
essentially build a variable frequency drive, this is what I had in
mind. Get a mot, remove the windings then make your own to take 36V
to 120V. Drive the primary with a variable flyback type inverter,
designed for 1-120 Hz. So we have a DC square wave entering the
primary. On the secondary put a capacitor sized to take a square wave
and make it nearly sinusoidal (so perhaps a cap resonate with about 90
Hz?). And then feed your secondary into your induction motor
winding. It seems to make sense in my head but it seems a bit too
simple, perhaps the square wave will not really drive the mot core
correctly because of saturation in which case I don't know what to
do. Any thoughts or should I just abandon this.
Scott Bogard.
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