Method and apparatus for protecting alternating current circuits

Details Method and apparatus for protecting alternating current circuits Method and apparatus for protecting alternating current circuits

1979-04-04

1981-06-02

Salce, Patrick R.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

361 96, H02H 3093

Patent

active

042714494

ABSTRACT:
A method and apparatus is disclosed for protecting a circuit from excessive current flow by pulse width modulation of a current sense signal and interrupting the circuit when the width of the pulse is less than a reference period.

REFERENCES:
patent: 3790881 (1974-02-01), Smith
patent: 3896341 (1975-07-01), Kodama
patent: 3914667 (1975-10-01), Waldron
patent: 4082986 (1978-04-01), Gamboa
patent: 4152744 (1979-05-01), Pang

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