Power circuit for electromagnetic actuator

Details Power circuit for electromagnetic actuator Power circuit for electromagnetic actuator

1983-06-08

1986-08-19

Gellner, Michael L.

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

Systems for magnetizing, demagnetizing, or controlling the...

123490, F02D 4130, H01H 4732

Patent

active

046073116

ABSTRACT:
A power supply circuit for an electromagnetic actuator includes a first capacitor and a charging circuit for charging the first capacitor from a second capacitor. A unidirectional switch is operable to discharge the first capacitor into the actuator winding. A second unidirectional switch is operable to provide holding current from a low voltage source of supply to maintain the winding energized. A diode provides energy recovery when the actuator is de-energized.

REFERENCES:
patent: 4454558 (1984-06-01), Huddart

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