Coil current regulator with induced flux compensation in an elec

Details Coil current regulator with induced flux compensation in an elec Coil current regulator with induced flux compensation in an elec

1992-06-01

1994-05-24

Pellinen, A. D.

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

For relays or solenoids

335131, 335132, 335231, 361154, 361187, H01H 6702

Patent

active

053154711

ABSTRACT:
The coil holding current of a contactor is regulated to the lesser of two measurements of coil current during each cycle of the full-wave rectified control voltage to compensate for induced flux in the coil generated by load current through the main contacts of the contactor, thereby preventing uncontrolled drop out of the contactor.

REFERENCES:
patent: 4893102 (1990-01-01), Bauer

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