GAS-INSULATED VOLTAGE DETECTION BUSHING

PROBLEM TO BE SOLVED: To provide a gas-insulated voltage detection bushing which has a simple structure and easy assembly. SOLUTION: On one end of an insulating tube 1, an applied-voltage side flange metal fitting 2 is fixed and, on the other end, a grounding-side flange metal fitting 3 is fixed, an...

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Bibliographische Detailangaben
Hauptverfasser:	ONISHI KOJI, SOTOJIMA NORICHIKA
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CABLES CONDUCTORS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINEDOPTICAL AND ELECTRIC CABLES OR LINES INSULATORS MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES TESTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a gas-insulated voltage detection bushing which has a simple structure and easy assembly. SOLUTION: On one end of an insulating tube 1, an applied-voltage side flange metal fitting 2 is fixed and, on the other end, a grounding-side flange metal fitting 3 is fixed, and a central conductor 4 disposed on the axial line of the insulating tube 1. A semi-conductive layer 5 formed out of a semi-conductor material having a surface resistivity of 105 to 108 on the outer surface of the insulating tube 1 is electrically connected with the applied-voltage side flange metal fitting 2. An electrode 6 electrically connected with the semi-conductor layer 5 is provided at or near the grounding-side flange metal fitting 3. Leaking current running through the semi-conductive layer 5 via the applied-voltage side flange metal fitting 2 can be detected from the central conductor 4. COPYRIGHT: (C)2004,JPO