I wonder if the capacitor in a PSC induction motor could be swapped for a choke coil inductor instead?
Would shifting the phase of the auxillary coil current to be lagging the main coil instead of leading still achieve a rotating field?
Would it cause this motor to rotate in opposite direction?
Isn’t phase shifting auxillary coil current by adding an inductive choke identical to the function of a shaded pole motor? That fat wire single turn shading coil is an auxillary winding. And instead of phase shift via surging external capacitor, the shading coil’s phase shift is achieved through inductance as its own short circuit current lags main coil current.
I think adding a choke coil in place of the capacitor will work but it will increase var (VoltAmpReactive power).
Is var real current surging in the motor coils? Does this "apparent power" cause real waste heat inside the motor?
Could using this inefficient inductive phase shift technique have some advantage when trying to use a PSC induction motor as an off-grid generator?
If generated AC frequency is allowed to vary, can an off grid single phase induction motor deliver power at a wider range of speeds by varying the capacitance to match the load? Or perhaps using a variable inductance to keep the field currents flowing ? Would a triac be useful to tune behavior of this type of off-grid inductive generator?
Would shifting the phase of the auxillary coil current to be lagging the main coil instead of leading still achieve a rotating field?
Would it cause this motor to rotate in opposite direction?
Isn’t phase shifting auxillary coil current by adding an inductive choke identical to the function of a shaded pole motor? That fat wire single turn shading coil is an auxillary winding. And instead of phase shift via surging external capacitor, the shading coil’s phase shift is achieved through inductance as its own short circuit current lags main coil current.
I think adding a choke coil in place of the capacitor will work but it will increase var (VoltAmpReactive power).
Is var real current surging in the motor coils? Does this "apparent power" cause real waste heat inside the motor?
Could using this inefficient inductive phase shift technique have some advantage when trying to use a PSC induction motor as an off-grid generator?
If generated AC frequency is allowed to vary, can an off grid single phase induction motor deliver power at a wider range of speeds by varying the capacitance to match the load? Or perhaps using a variable inductance to keep the field currents flowing ? Would a triac be useful to tune behavior of this type of off-grid inductive generator?