Noise suppression circuit for capacitor motors

Details Noise suppression circuit for capacitor motors Noise suppression circuit for capacitor motors

1988-06-09

1989-08-01

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Rotary

318795, 318793, H02K 1100, H02P 144

Patent

active

048535699

ABSTRACT:
A noise suppression circuit is provided for capacitor-start and capacitor-run alternating current motors. To prevent rotor chattering and noise from occurring upon disconnection of power from the motor, separate switches are used to connect alternating current power to the windings and to the capacitor; so that when power is disconnected, the capacitor is prevented from discharging into the motor windings. A power dissipation resistor is connected in parallel with the capacitor to permit the capacitor to discharge.

REFERENCES:
patent: 3573579 (1971-04-01), Lewus
patent: 4734601 (1988-03-01), Lewus

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