Thermal measuring and testing – Temperature measurement – Combined with diverse art device
Patent
1983-11-14
1985-10-29
Yasich, Daniel M.
Thermal measuring and testing
Temperature measurement
Combined with diverse art device
361 37, G01K 112
Patent
active
045498172
ABSTRACT:
An electrical component such as a transformer winding or choke coil is placed in a forced cooling circuit containing circulation pumps and coolers for a cooling medium and is subjected to forced circulation cooling. The thermal monitoring apparatus comprises a container housing therein a thermal sensor surrounded by a thermosensor winding. The container is connected by respective branch lines to the forced cooling circuit either upstream or downstream with respect to the circulation pumps. Cooling medium flows through the transformer or choke coil in the forced cooling circuit and through the branch lines leading to the container. Each branch line is provided with an equivalent hydraulic resistance of the transformer winding and the cooler. The thermosensor winding is connected to a current transformer which is supplied with a current which is proportional to the current flowing through the transformer or choke coil.
REFERENCES:
patent: Re31685 (1984-09-01), Weiler
patent: 3144770 (1964-08-01), Sheely
patent: 3483751 (1969-12-01), Walker
patent: 3491597 (1970-01-01), Engelhardt et al.
patent: 4394635 (1983-07-01), Foss
Elin Union AG
Kleeman Werner W.
Yasich Daniel M.
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