High voltage power transformer winding temperature control syste

Details High voltage power transformer winding temperature control syste High voltage power transformer winding temperature control syste

1983-03-25

1984-09-25

Woodiel, Donald O.

Thermal measuring and testing

Temperature measurement

Combined with diverse art device

338195, G01K 108

Patent

active

RE0316857

ABSTRACT:
A winding temperature heater well for detecting the temperature of the oil about the coils in large transformers. The heater well comprising a temperature detecting device enveloped by a grid-patterned resistor element, the current through which varies directly with the current through the transformer, and a sleeve which protects the resistor and temperature detecting device from the oil. The heater well is embedded in a resin plate in such a manner as to allow calibration of the resistor from outside the plate.

REFERENCES:
patent: 1917163 (1933-07-01), Stephens et al.
patent: 2403372 (1946-07-01), Jackson, Jr.
patent: 2405449 (1946-08-01), Robinson et al.
patent: 3144770 (1964-08-01), Sheely
patent: 3148349 (1964-09-01), Rose et al.
patent: 3414864 (1968-12-01), Barrington
patent: 3509511 (1970-04-01), Soroka

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