Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1975-01-10
1976-08-17
Miller, J D
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
317 27R, 324 51, 340255, H02H 316
Patent
active
039756637
ABSTRACT:
A method of detecting ground faults in ungrounded equipment having an electrical supply. The method comprises the steps of:
REFERENCES:
patent: 3066284 (1962-11-01), McKinley et al.
patent: 3666993 (1972-05-01), Legatti
patent: 3699392 (1972-10-01), Lee et al.
patent: 3754221 (1973-08-01), Stelter
patent: 3757169 (1973-09-01), Beresnikow
patent: 3868665 (1975-02-01), Treglown
Miller J D
Salce Patrick R.
Western Industries (Proprietary) Ltd.
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