Gas-insulated device

A gas insulated device includes a grounded metal container that covers a high-voltage conductor with a space interposed between itself and the high-voltage conductor; and an insulating spacer that is held and fixed between an end flanges on its outer side and supports the high-voltage conductor on i...

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Bibliographic Details
Main Authors KOMAKI AZUMI, HOSHINO TOSHIHIRO
Format Patent
LanguageChinese
English
Published 02.04.2014
Subjects
BASIC ELECTRIC ELEMENTS
BOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLYOR DISTRIBUTION OF ELECTRIC POWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
GENERATION
INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINEDOPTICAL AND ELECTRIC CABLES OR LINES
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
RELAYS
SELECTORS
TESTING
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Summary:A gas insulated device includes a grounded metal container that covers a high-voltage conductor with a space interposed between itself and the high-voltage conductor; and an insulating spacer that is held and fixed between an end flanges on its outer side and supports the high-voltage conductor on its inner side. The insulating spacer has an internal shield that is buried in the insulating portion so as to surround the high-voltage conductor; grounding bars having conductivity whose one end is electrically connected to the internal shield and the other end extends to the outside of the insulating portion so as to be connected to the grounded metal container; a measurement bar having conductivity whose one end is electrically connected to the internal shield and other end extends to the outside of the insulating portion so as to be connected to the partial discharge measurement terminal.
Bibliography:Application Number: CN200980133999