Method and circuit for detecting and monitoring the temperature

Details Method and circuit for detecting and monitoring the temperature Method and circuit for detecting and monitoring the temperature

1987-01-30

1989-01-17

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

25112915, 340599, G08B 1700, F16K 3102

Patent

active

047990465

ABSTRACT:
To monitor the winding temperature of a coil, preferably the magnet coil of a magnetic valve, it is proposed to use as the monitored magnitude the resistance related to the temperature of the winding. For this purpose the winding is supplied during the measurement time with a constant or predeterminable voltage or current and the voltage or current related to the temperature of the winding is used as the magnitude to be measured.

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Gupta et al, "A Novel Technique for the Measurement of Average Rotor Temperature of Brushless Synchronous Machines," IEEE Transactions on Power Apparatus and Systems, vol. Pas-98, No. 4, pp. 1238-1243, Jul./Aug. 1979.

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