JP2004236455A5 - - Google Patents

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Publication number
JP2004236455A5
JP2004236455A5 JP2003023411A JP2003023411A JP2004236455A5 JP 2004236455 A5 JP2004236455 A5 JP 2004236455A5 JP 2003023411 A JP2003023411 A JP 2003023411A JP 2003023411 A JP2003023411 A JP 2003023411A JP 2004236455 A5 JP2004236455 A5 JP 2004236455A5
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JP
Japan
Prior art keywords
gas
insulating
circuit breaker
unit
vacuum
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Application number
JP2003023411A
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Japanese (ja)
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JP2004236455A (en
JP4222848B2 (en
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Priority to JP2003023411A priority Critical patent/JP4222848B2/en
Priority claimed from JP2003023411A external-priority patent/JP4222848B2/en
Publication of JP2004236455A publication Critical patent/JP2004236455A/en
Publication of JP2004236455A5 publication Critical patent/JP2004236455A5/ja
Application granted granted Critical
Publication of JP4222848B2 publication Critical patent/JP4222848B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Claims (4)

絶縁性ガスを封入した接地密閉容器内に、主回路を構成する高電圧導体を絶縁支持して遮断器ユニットおよび断路器ユニットを構成し、上記遮断器ユニットは、真空容器内の真空度を保持して可動電極の開閉動作を許すベローズを有する真空遮断器によって構成したガス絶縁開閉装置において、上記遮断器ユニットを構成する部分の上記接地密閉容器は、絶縁スペーサによって上記断路器ユニットを構成する部分の上記接地密閉容器とガス的に区分して形成し、上記遮断器ユニットの上記ガス区画内に封入した絶縁性ガスのガス圧力を上記断路器ユニットのガス区画に封入した絶縁性ガスより低くしたことを特徴とするガス絶縁開閉装置。  A circuit breaker unit and a disconnector unit are constructed by insulating and supporting the high-voltage conductor that constitutes the main circuit in a grounded sealed container filled with an insulating gas. The circuit breaker unit maintains the degree of vacuum in the vacuum container. In the gas-insulated switchgear constituted by a vacuum circuit breaker having a bellows that allows the movable electrode to be opened and closed, the grounded sealed container of the part constituting the breaker unit is a part constituting the disconnector unit by an insulating spacer The gas pressure of the insulating gas enclosed in the gas compartment of the circuit breaker unit is made lower than that of the insulating gas enclosed in the gas compartment of the disconnector unit. A gas insulated switchgear characterized by the above. 請求項１記載のものにおいて、上記遮断器ユニットのガス区画内に絶縁性ガスとして乾燥空気を封入し、上記断路器ユニットのガス区画内に絶縁性ガスとして窒素を封入したことを特徴とするガス絶縁開閉装置。  2. The gas according to claim 1, wherein dry air is enclosed as an insulating gas in the gas compartment of the circuit breaker unit, and nitrogen is enclosed as an insulating gas in the gas compartment of the disconnector unit. Insulated switchgear. 請求項１記載のものにおいて、上記絶縁性ガスとして、乾燥空気、窒素ガス、炭酸ガスを主成分とするガスに、２０％未満のフロンガスを混入した混合ガスとしたことを特徴とするガス絶縁開閉装置。  2. The gas insulated switch according to claim 1, wherein the insulating gas is a mixed gas in which less than 20% of chlorofluorocarbon gas is mixed in a gas mainly composed of dry air, nitrogen gas, and carbon dioxide gas. apparatus. 絶縁性ガスを封入した接地密閉容器内に、主回路を構成する高電圧導体を絶縁支持して遮断器ユニットおよび断路器ユニットを構成し、上記遮断器ユニットは、真空容器内の真空度を保持して可動電極の開閉動作を許す第一ベローズを有する真空遮断器によって構成したガス絶縁開閉装置において、上記遮断器ユニットは、絶縁スペーサによって上記断路器ユニットとガス的に区分し、上記真空容器に一端を気密に接続し、かつ他端を上記接地密閉容器に気密に接続した絶縁筒を設け、この絶縁筒の上記一端側に上記第一ベローズを設け、上記絶縁筒の上記他端側に上記絶縁筒内と大気中の問を区分して上記可動電極の開閉動作を許す第二ベローズを設けたことを特徴とするガス絶縁開閉装置。  A circuit breaker unit and a disconnector unit are constructed by insulating and supporting the high-voltage conductor that constitutes the main circuit in a grounded sealed container filled with an insulating gas. The circuit breaker unit maintains the degree of vacuum in the vacuum container. In the gas-insulated switchgear constituted by a vacuum circuit breaker having a first bellows that allows the movable electrode to be opened and closed, the circuit breaker unit is separated from the disconnector unit by a gas by an insulating spacer, and is separated into the vacuum vessel. An insulating tube having one end airtightly connected and the other end airtightly connected to the grounded airtight container is provided, the first bellows is provided on the one end side of the insulating tube, and the other end side of the insulating tube is A gas-insulated switchgear comprising a second bellows that separates the inside of the insulating cylinder from the atmosphere and allows the movable electrode to be opened and closed.
JP2003023411A 2003-01-31 2003-01-31 Gas insulated switchgear Expired - Fee Related JP4222848B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003023411A JP4222848B2 (en) 2003-01-31 2003-01-31 Gas insulated switchgear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003023411A JP4222848B2 (en) 2003-01-31 2003-01-31 Gas insulated switchgear

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP2005186606A Division JP4119441B2 (en) 2005-06-27 2005-06-27 Gas insulated switchgear
JP2006043330A Division JP4212595B2 (en) 2006-02-21 2006-02-21 Gas insulated switchgear

Publications (3)

Publication Number Publication Date
JP2004236455A JP2004236455A (en) 2004-08-19
JP2004236455A5 true JP2004236455A5 (en) 2005-10-20
JP4222848B2 JP4222848B2 (en) 2009-02-12

Family

ID=32952215

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003023411A Expired - Fee Related JP4222848B2 (en) 2003-01-31 2003-01-31 Gas insulated switchgear

Country Status (1)

Country Link
JP (1) JP4222848B2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4515966B2 (en) * 2005-06-14 2010-08-04 株式会社日本Ａｅパワーシステムズ Three-phase collective gas insulated switchgear
JP4709062B2 (en) * 2006-05-11 2011-06-22 株式会社日本Ａｅパワーシステムズ Tank type vacuum circuit breaker
JP5249424B2 (en) * 2009-10-29 2013-07-31 三菱電機株式会社 Electromagnetic operation switchgear
CN102136311A (en) * 2010-11-10 2011-07-27 中国科学院电工研究所 Mixed gas insulating medium
JP6053463B2 (en) * 2012-11-13 2016-12-27 三菱電機株式会社 Vacuum valve
JP6044645B2 (en) * 2015-01-07 2016-12-14 株式会社明電舎 Vacuum circuit breaker
CN108172454A (en) * 2018-01-06 2018-06-15 北海银河开关设备有限公司 Electric locomotive high-voltage circuitbreaker

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