Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1974-11-07
1976-06-01
Strecker, Gerard R.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
31715762, 324 61R, G01R 2726, G01R 3112
Patent
active
039612465
ABSTRACT:
Model insulation structure representative of the most critical insulation in a stationary induction apparatus is placed in the bottom of the oil tank and is provided with spaced conductive electrodes forming a capacitor having sufficient capacitance for measuring the dissipation or power factor of the insulation.
REFERENCES:
patent: 1371378 (1921-03-01), Klauber
patent: 2679026 (1954-05-01), Frakes
patent: 2899635 (1959-08-01), Yardney
patent: 2976720 (1961-03-01), Callahan
patent: 2985826 (1961-05-01), Fluegel
patent: 3753092 (1973-08-01), Ludlow et al.
Foster Samuel L.
Waterman Michael W.
Allis-Chalmers Corporation
Jones Robert C.
Strecker Gerard R.
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