JPS5880742U - Overcurrent protection device - Google Patents

Overcurrent protection device

Info

Publication number
JPS5880742U
JPS5880742U JP17644081U JP17644081U JPS5880742U JP S5880742 U JPS5880742 U JP S5880742U JP 17644081 U JP17644081 U JP 17644081U JP 17644081 U JP17644081 U JP 17644081U JP S5880742 U JPS5880742 U JP S5880742U
Authority
JP
Japan
Prior art keywords
current transformer
protection device
overcurrent protection
secondary side
circuit
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
JP17644081U
Other languages
Japanese (ja)
Inventor
益満　政彦
Original Assignee
三菱電機株式会社
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 by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP17644081U priority Critical patent/JPS5880742U/en
Publication of JPS5880742U publication Critical patent/JPS5880742U/en
Pending legal-status Critical Current

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  • Emergency Protection Circuit Devices (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は、従来の過電流保護装置を示す回路図、第２図
はこの考案による過電流保護装置の一実施例を示す回路
図である。 図中、１は発電機、２は遮断器、３は変流器、４は過電
流継電器、４ａはａ接点、５はテスト用端子、６は電力
計、７は電流計、８は電流計用切換開閉器、９は短絡回
路である。FIG. 1 is a circuit diagram showing a conventional overcurrent protection device, and FIG. 2 is a circuit diagram showing an embodiment of the overcurrent protection device according to this invention. In the figure, 1 is a generator, 2 is a circuit breaker, 3 is a current transformer, 4 is an overcurrent relay, 4a is an a contact, 5 is a test terminal, 6 is a wattmeter, 7 is an ammeter, 8 is an ammeter 9 is a short circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電源主回路に設けられた変流器、この変流器の二次側に
接続され上記主回路に設けられた遮断器を動作させる過
電流継電器、この過電流継電器に後続して上記変流器の
二次側に接続された監視・制御のための電気機器、この
電気機器と上記変流器の間に設けられ上記過電流継電器
の作動時に上記変流器の二次側を短絡する短絡回路を備
えた過電流保護装置。A current transformer installed in the main circuit of the power supply, an overcurrent relay connected to the secondary side of this current transformer to operate a circuit breaker installed in the main circuit, and a current transformer connected to the current transformer following this overcurrent relay. electrical equipment for monitoring and control connected to the secondary side of the current transformer; a short circuit provided between the electrical equipment and the current transformer to short-circuit the secondary side of the current transformer when the overcurrent relay is activated; Overcurrent protection device with.
JP17644081U 1981-11-26 1981-11-26 Overcurrent protection device Pending JPS5880742U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17644081U JPS5880742U (en) 1981-11-26 1981-11-26 Overcurrent protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17644081U JPS5880742U (en) 1981-11-26 1981-11-26 Overcurrent protection device

Publications (1)

Publication Number Publication Date
JPS5880742U true JPS5880742U (en) 1983-06-01

Family

ID=29969438

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17644081U Pending JPS5880742U (en) 1981-11-26 1981-11-26 Overcurrent protection device

Country Status (1)

Country Link
JP (1) JPS5880742U (en)

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