Electric motor and transformer load sensing technique

Details Electric motor and transformer load sensing technique Electric motor and transformer load sensing technique

1980-06-10

1982-12-07

Salce, Patrick R.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Motor protective condition responsive circuits

324 96, 361 94, 250225, 455602, H02H 7085

Patent

active

043630618

ABSTRACT:
A Faraday rotator optical sensor in combination with optical fiber transmission means is employed to monitor overload current conditions in a high voltage electrical load and transmit this information to a low voltage signal processing circuit while providing desired isolation between the high voltage load and the low voltage signal processing circuit.

REFERENCES:
patent: 3605013 (1971-09-01), Yoshikawa et al.
patent: 3621390 (1971-11-01), Von Willisen
patent: 3662263 (1972-05-01), Bensel
patent: 3675125 (1972-07-01), Jaecklin
patent: 3964020 (1976-06-01), Dickerson
patent: 4075493 (1978-02-01), Wickersheim
patent: 4121122 (1978-10-01), Pokrandt
patent: 4156280 (1979-05-01), Griess

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