Microcomputer-controlled circuit breaker system

Details Microcomputer-controlled circuit breaker system Microcomputer-controlled circuit breaker system

1991-01-28

1992-11-24

Teska, Kevin J.

Boots, shoes, and leggings

361 94, 364481, G06F 1556

Patent

active

051668874

ABSTRACT:
A circuit breaker system employs a sensor circuit to measure the current flow in a conductor. A microcomputer monitors the current flow and trips a circuit breaker if the measured current flow exhibits certain predetermined characteristics. A power supply circuit generates a regulated output voltage proportional to the measured current flow to supply power to a portion of the circuit breaker system electronics. To protect the portion of the electronics powered by the power supply circuit, the output from the power supply is shorted through a resistance circuit for a predetermined period of time if the magnitude of the measured current flow induces an output voltage in excess of a predetermined level.

REFERENCES:
patent: 4208689 (1980-06-01), Dunham et al.
patent: 4208690 (1980-06-01), McGinnis et al.
patent: 4208693 (1980-06-01), Dickens et al.
patent: 4209817 (1980-06-01), McGinnis
patent: 4209818 (1980-06-01), Zylstra et al.
patent: 4213165 (1980-07-01), Zylstra et al.
patent: 4535409 (1985-08-01), Jindrick et al.

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