Motor restart limiter

Details Motor restart limiter Motor restart limiter

1976-04-29

1978-03-14

Schaefer, Robert K.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Motor protective condition responsive circuits

361 22, 318485, 318487, 318447, H02H 708

Patent

active

040794326

ABSTRACT:
A motor is electrically coupled to a power source through a motor starter. The motor is selectively operated by a relay to connect and disconnect the power source to the motor. A counter accumulates a count of motor failures and produces an inhibit signal should the frequency of occurrence of such motor failures exceed a given level. The relay is operated by an inhibit signal to cause the motor starter to disconnect the power source from the motor.

REFERENCES:
patent: 3875487 (1975-04-01), White

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