Motor Phase Shifter question - John Freau circuit

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Original poster: "Mccauley, Daniel H by way of Terry Fritz <twftesla-at-qwest-dot-net>" <daniel.h.mccauley-at-lmco-dot-com>



Just some questions regarding John Freau's phase shifter circuit shown here:

http://hometown.aol-dot-com/futuret/page3.html


In this circuit, John claims to adjust the value of capacitance in this
circuit so that a 3-5 voltage resonant rise
in voltage is seen at the output of the circuit.

I am guessing that this is done so that at one point in the variacs
adjustment range, that the L-C network is resonant at 60 Hz and that we can
obtain maximum phase shift (on either side of that point) to adjust our
motor with???

Thought anyone???

I tried to model this, but can seem to get a good representation of my motor
yet.

Thanks

Dan