ELECTRICAL MACHINERY AND APPARATUS

ELECTRICAL MACHINERY AND APPARATUS

PROBLEM TO BE SOLVED: To obtain an electrical machinery and apparatus in which the average temperature of an insulating oil is measured. SOLUTION: A temperature sensor 15 and a temperature sensor 16 are arranged inside a tank 11. The temperature sensors 15, 16 are connected to a bourdon tube. In the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ITO KAZUAKI, MIYANISHI TSUTOMU, SHIKII MASATOSHI, HIGUCHI TATSUYA, TAKAMOTO KAZUHIRO, KONDO YOSHIYUKI, SAITO TAKAYUKI
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
INDUCTANCES
MAGNETS
MEASURING
MEASURING QUANTITY OF HEAT
MEASURING TEMPERATURE
PHYSICS
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TESTING
THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
TRANSFORMERS
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To obtain an electrical machinery and apparatus in which the average temperature of an insulating oil is measured. SOLUTION: A temperature sensor 15 and a temperature sensor 16 are arranged inside a tank 11. The temperature sensors 15, 16 are connected to a bourdon tube. In the case of this constitution, the temperature sensors 15, 16 are immersed in the upper end part and the lower end part inside an insulating oil 13. As a result, since the bourdon tube is deformed according to the composed temperature in the upper end part and the lower end part of the insulating coil 13, the average temperature of the insulating oil 13 is measured on the basis of the deformation amount of the bourdon tube.