Gas insulated switchgear

A flexible tube (7) made of a metal bellows made of austenitic stainless steel with a high-flexibility coating applied thereto is employed as gas tubing sections (6a), (6b) connected with sealed containers (1a) to (3b). The flexible tube (7) is provided at both ends with freely rotatable flanges (7b...

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Bibliographic Details
Main Authors FUKUNAGA MASAYUKI, OKANARI NOBUAKI, KOMAKI AZUMI
Format Patent
LanguageChinese
English
Published 12.01.2011
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
RELAYS
SELECTORS
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Summary:A flexible tube (7) made of a metal bellows made of austenitic stainless steel with a high-flexibility coating applied thereto is employed as gas tubing sections (6a), (6b) connected with sealed containers (1a) to (3b). The flexible tube (7) is provided at both ends with freely rotatable flanges (7b). Using these flanges (7b), the gas tubing is connected with gas ports (8) of the sealed containers. The resistance of the stainless steel flexible tube is high in comparison with copper tubing, and the sheath current can thus be reduced. High-flexibility coating is applied to the outside of the flexible tube. Bending processing of the flexible tube is possible even after coating and weatherability is thereby improved. The support interval of the gas tubing is at least 1 m. Resonance of the gas tubing caused by the frequency of the mains power system thus cannot occur.
Bibliography:Application Number: CN20101221299