Method and apparatus for alternating current monitoring with pha

Details Method and apparatus for alternating current monitoring with pha Method and apparatus for alternating current monitoring with pha

1995-09-29

1999-08-17

Gaffin, Jeffrey A.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Ground fault protection

361 93, 361115, H02H 300

Patent

active

059402571

ABSTRACT:
A method and apparatus for monitoring multi-phase alternating current signals and providing a signal representative of each phase current signal. Each alternating current signal is rectified by a direct current output rectifier to generate a signal representative of both the phase and magnitude of the alternating current signal. The method and apparatus also provides for using the output signal to operate a circuit breaker in a ground fault detection system.

REFERENCES:
patent: 4001646 (1977-01-01), Howell
patent: 4347540 (1982-08-01), Gary

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