Phase loss detector

Details Phase loss detector Phase loss detector

1975-09-26

1977-02-15

Moose, Harry

Electricity: electrical systems and devices

Safety and protection of systems and devices

By regulating source or load

307235T, 361 88, H02H 324

Patent

active

040084175

ABSTRACT:
An electronic monitoring circuit to detect unbalanced voltage conditions on a three phase alternating current line employs the charging current to a condenser connected across a full wave rectifier bridge to trigger a multivibrator circuit that controls an output relay in accordance with the multivibrator cycles per cycle of the power line voltage.

REFERENCES:
patent: 3248610 (1966-04-01), Faglie
patent: 3513353 (1970-05-01), Lansch
patent: 3636541 (1972-01-01), Genuit et al.
patent: 3749944 (1973-07-01), Luebrecht
patent: 3825768 (1974-07-01), Grygera

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