Motor control circuit including motor current limiting means

Details Motor control circuit including motor current limiting means Motor control circuit including motor current limiting means

1974-12-20

1976-05-04

Rubinson, Gene Z.

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

318341, 318434, H02P 706

Patent

active

039551300

ABSTRACT:
A motor control circuit of the type in which the effective power supplied to the motor is controlled to govern motor operation includes a fast acting current limit circuit responsive to the motor current and operative to limit the power supplied to the motor to thus prevent excessive motor current. The current limit circuit compares a signal indicative of the motor current with a reference signal having a value which varies with respect to time and which is reset in response to prescribed control circuit conditions.

REFERENCES:
patent: 3470437 (1969-09-01), Douglass
patent: 3500161 (1970-03-01), Domann et al.
patent: 3526819 (1970-09-01), Graf
patent: 3586949 (1971-06-01), Spear et al.
patent: 3809984 (1974-05-01), Hoge
patent: 3855511 (1974-12-01), Smith

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