Integral temperature measurement in electrical machines, transfo

Details Integral temperature measurement in electrical machines, transfo Integral temperature measurement in electrical machines, transfo

1988-05-12

1989-09-05

Cuchlinski, Jr., William A.

Thermal measuring and testing

Temperature measurement

By a vibratory effect

374103, 374117, 374141, 374152, G01K 1124, G01K 1122

Patent

active

048632805

ABSTRACT:
Integral temperature measurement in electrical machines, transformers and energy conversion systems. An integral temperature measurement for electrical machines, transformers and energy conversion systems produces no additonal potential or voltage in the windings of such equipment. As a result, no conductive or semiconductive material can be used in a temperature sensor. The present invention utilizes the temperature dependency of the propagation conditions of sound or ultrasound in gases and also makes use of light waveguide technology. The sound or ultrasound is guided in a flexible capillary along a path along which an integral temperature measurement is to be taken.

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