Sensor device for detection of dissolved hydrocarbon gases in oil filled high-voltage electrical equipment

Sensor device for detection of dissolved hydrocarbon gases in oil filled high-voltage electrical equipment

A multi-gas sensor device for the detection of dissolved hydrocarbon gases in oil-filled electrical equipment. The device comprising a semiconductor substrate, one or more catalytic metal gate-electrodes deposited on the surface of the semiconductor substrate operable for sensing various gases, and...

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Hauptverfasser: Stokes, Edward B, Sandvik, Peter M, Tilak, Vinayak, Fedison, Jeffrey B, Babes-Dornea, Elena, Qin, Renyan, Rose, James W, Weaver, Stanton E
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creator Stokes, Edward B
Sandvik, Peter M
Tilak, Vinayak
Fedison, Jeffrey B
Babes-Dornea, Elena
Qin, Renyan
Rose, James W
Weaver, Stanton E
description A multi-gas sensor device for the detection of dissolved hydrocarbon gases in oil-filled electrical equipment. The device comprising a semiconductor substrate, one or more catalytic metal gate-electrodes deposited on the surface of the semiconductor substrate operable for sensing various gases, and an ohmic contact deposited on the surface of the semiconductor substrate. The semiconductor substrate comprises one of GaN, SiC, AlN, InN, AlGaN, InGaN and AlInGaN. A method for sensing gas in an oil-filled reservoir of electrical equipment, comprising providing a sensor device, immersing the sensor device in the oil-filled reservoir, allowing the gases emitted from the oil to interact with the one or more catalytic metal gate-electrodes, altering the gas as it contacts the catalytic metal gate-electrodes and altering the sensitivity of the sensor.
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title Sensor device for detection of dissolved hydrocarbon gases in oil filled high-voltage electrical equipment
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