JPH0488427U - - Google Patents

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Publication number
JPH0488427U
JPH0488427U JP40070990U JP40070990U JPH0488427U JP H0488427 U JPH0488427 U JP H0488427U JP 40070990 U JP40070990 U JP 40070990U JP 40070990 U JP40070990 U JP 40070990U JP H0488427 U JPH0488427 U JP H0488427U
Authority
JP
Japan
Prior art keywords
switch
semiconductor
series
power
interruption
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP40070990U
Other languages
Japanese (ja)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP40070990U priority Critical patent/JPH0488427U/ja
Publication of JPH0488427U publication Critical patent/JPH0488427U/ja
Pending legal-status Critical Current

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Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の実施例をあらわした主回路接
続図であり、第２図は交流電源を無停電で切換え
る半導体交流スイツチの保護の従来例を示した主
回路接続図である。 ２……交流電源、３……ＣＶＣＦインバータ、
４……スイツチ、５……負荷、６……商用電源、
７……半導体交流スイツチとしてのサイリスタス
イツチ、１１……ヒユーズ、１２……バイパスス
イツチ、１３……遮断器、２０……リアクトル。 FIG. 1 is a main circuit connection diagram showing an embodiment of the present invention, and FIG. 2 is a main circuit connection diagram showing a conventional example of protection for a semiconductor AC switch that switches AC power without interruption. 2... AC power supply, 3... CVCF inverter,
4...Switch, 5...Load, 6...Commercial power supply,
7... Thyristor switch as a semiconductor AC switch, 11... Fuse, 12... Bypass switch, 13... Circuit breaker, 20... Reactor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] インバータが出力する交流電力と、商用電源か
らの交流電力との切換えを無停電で行うべく、半
導体スイツチ素子の逆並列接続で構成している半
導体交流スイツチにおいて、前記半導体交流スイ
ツチに直列にリアクトルを接続し、この直列回路
にバイパススイツチを並列接続することを特徴と
する半導体交流スイツチの保護回路。 In order to switch between the AC power output by the inverter and the AC power from the commercial power source without interruption, a semiconductor AC switch is constructed by connecting semiconductor switch elements in antiparallel, and a reactor is connected in series with the semiconductor AC switch. A protection circuit for a semiconductor AC switch, characterized in that a bypass switch is connected in parallel to the series circuit.
JP40070990U 1990-12-17 1990-12-17 Pending JPH0488427U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP40070990U JPH0488427U (en) 1990-12-17 1990-12-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP40070990U JPH0488427U (en) 1990-12-17 1990-12-17

Publications (1)

Publication Number Publication Date
JPH0488427U true JPH0488427U (en) 1992-07-31

Family

ID=31878917

Family Applications (1)

Application Number Title Priority Date Filing Date
JP40070990U Pending JPH0488427U (en) 1990-12-17 1990-12-17

Country Status (1)

Country Link
JP (1) JPH0488427U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11208884A (en) * 1998-01-22 1999-08-03 Fuji Seal Inc Rotational receiving mechanism of article to be pinched, manufacturing device for rotational feeding device for the article and container with opening part, and rotational delivering device for article to be pinched

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11208884A (en) * 1998-01-22 1999-08-03 Fuji Seal Inc Rotational receiving mechanism of article to be pinched, manufacturing device for rotational feeding device for the article and container with opening part, and rotational delivering device for article to be pinched

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