Delta phase loss detector

Details Delta phase loss detector Delta phase loss detector

1975-10-30

1977-05-17

Miller, J D

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific voltage responsive fault sensor

361 86, H02H 324

Patent

active

040244385

ABSTRACT:
A phase loss detector for detecting and responding to voltage loss or failure in a polyphase electric power supply to disconnect the load or motor in the event of such loss, which is adapted to serve in conjunction with either a delta or wye power configuration and is characterized by an internally generated AC common line such that a common line of the power source is unnecessary.

REFERENCES:
patent: 3184644 (1965-05-01), Faglie
patent: 3248610 (1966-04-01), Faglie
patent: 3431467 (1969-03-01), Calfee
patent: 3636541 (1972-01-01), Genuit et al.
patent: 3843908 (1974-10-01), Priegnitz

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