Ground monitor for electrical apparatus

Details Ground monitor for electrical apparatus Ground monitor for electrical apparatus

1975-02-24

1976-05-11

Schaefer, Robert K.

Electrical transmission or interconnection systems

Anti-electrolysis

317 18R, 324 51, H02H 300

Patent

active

039566390

ABSTRACT:
Apparatus to monitor the continuity of grounding circuits of an electrical machine. The apparatus measures the resistance in the grounding and pilot circuits and deenergizes the electrical machine if the resistance in said circuits exceeds a predetermined value.

REFERENCES:
patent: 3308346 (1967-03-01), Martzloff et al.
patent: 3665251 (1972-05-01), Buckeridge
patent: 3727106 (1973-04-01), Mandel et al.
patent: 3746929 (1973-07-01), Kotheimer
patent: 3771020 (1973-11-01), Smith
patent: 3787708 (1974-01-01), Hobson

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