JPS5930642U - Inspection circuit of protective relay device - Google Patents

Inspection circuit of protective relay device

Info

Publication number
JPS5930642U
JPS5930642U JP12580882U JP12580882U JPS5930642U JP S5930642 U JPS5930642 U JP S5930642U JP 12580882 U JP12580882 U JP 12580882U JP 12580882 U JP12580882 U JP 12580882U JP S5930642 U JPS5930642 U JP S5930642U
Authority
JP
Japan
Prior art keywords
relay
inspection
circuit
voltage differential
current transformer
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.)
Granted
Application number
JP12580882U
Other languages
Japanese (ja)
Other versions
JPH0214281Y2 (en
Inventor
江田 伸夫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP12580882U priority Critical patent/JPS5930642U/en
Publication of JPS5930642U publication Critical patent/JPS5930642U/en
Application granted granted Critical
Publication of JPH0214281Y2 publication Critical patent/JPH0214281Y2/ja
Granted legal-status Critical Current

Links

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 the drawing]

第1図は従来の電圧差動保護回路における点検方式の回
路図、第2図は本考案の一実施例による電圧差動保護回
路における点検方式の回路歯であ−る。 1・・・母線、2−1〜2−n・・−CT、 3・・・
バリスタ、4、 41. 42・・・抵抗、5・・・電
圧差動継電器、6゜12・・・リアクター、7・・・監
視継電器、−8・・・点検用  −電源トランス、9・
・・点検時閉酸する接点、10・・・点検用電源、11
・・・点検時開数する接点。なお、図中同一符号は同−
又は相当部分を示す。 補正昭58− 1.26 実用新案登録請求の範囲を次のように補正する。 O★用新案登録請求の範−− (1)変流器62次回路に設けた寛圧糸勲継電器及び監
視継電器と、前記電圧差動継電器、監−電器並びに変流
器(7)2体側回路を点検する点検−用入力電圧の印加
装置と、前記電圧差動継電器及び監−電器の点検−にの
み作業する開閉装置とを備え、前記開閉装置の動作によ
り前記監視継電器の検出感度を制御するようにしたこと
を特徴とする保護継電装置の点検回路。 (2)  前記変流器の2次回路に設置された電圧差動
−″継電器の入カインピ゛−ダンスを分割し、前記分割
きれた両インピーダンスと他の電源ライ−41′に点検
入力電圧を印加する様にしたことを特徴″ とする実用
新案登録請求の範囲第1項記載の保護継電装置の点検回
路。
FIG. 1 is a circuit diagram of an inspection method in a conventional voltage differential protection circuit, and FIG. 2 is a circuit diagram of an inspection method in a voltage differential protection circuit according to an embodiment of the present invention. 1...Bus line, 2-1 to 2-n...-CT, 3...
Barista, 4, 41. 42...Resistor, 5...Voltage differential relay, 6゜12...Reactor, 7...Monitoring relay, -8...For inspection -Power transformer, 9...
...Contact that closes during inspection, 10...Power supply for inspection, 11
...Contacts that open during inspection. In addition, the same symbols in the figures are the same.
or a corresponding portion. Amendment 1.26 of 1982 The scope of claims for utility model registration is amended as follows. Scope of request for registration of a model for O★-- (1) The pressure thread relay and monitoring relay installed in the 62nd circuit of the current transformer, the voltage differential relay, the supervisory device, and the current transformer (7) 2 body sides It comprises an inspection input voltage application device for inspecting a circuit, and a switching device that works only for inspection of the voltage differential relay and the supervisory device, and controls the detection sensitivity of the monitoring relay by the operation of the switching device. An inspection circuit for a protective relay device, characterized in that: (2) Divide the input impedance of the voltage differential relay installed in the secondary circuit of the current transformer, and apply the inspection input voltage to both the divided impedances and the other power line 41'. An inspection circuit for a protective relay device according to claim 1 of the utility model registration claim, characterized in that the circuit is adapted to apply a voltage.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] (1)変流器の2次回路に設けた電圧差動継電器及び監
視継電器と、前記電圧差動継電器、監視継電器並びに変
流器の2次側回路を点検する点検用入力電圧の印加装置
と、前記電圧差動継電器及び監視継電器の点検時にのみ
作業する開閉装置とを備え、前記開閉装置の動作により
前記夫々の継電器の検出感度を制御するようにしたこと
を特徴とする保護継電装置の点検回路。
(1) A voltage differential relay and a monitoring relay provided in the secondary circuit of a current transformer, and an inspection input voltage application device for inspecting the voltage differential relay, monitoring relay, and secondary circuit of the current transformer. , a switchgear that operates only when inspecting the voltage differential relay and the monitoring relay, and the detection sensitivity of each of the relays is controlled by the operation of the switchgear. Inspection circuit.
(2)前記変流器の2次回路に設置された電圧差動継電
器の入力インピーダンスを分割し、前記分割された両イ
ンピーダンスと他あ電源ライン間に点検入力電圧を印加
する様にしたことを特徴とする実用新案登録請求の範囲
第1項記載の保護継電装置の点検回路。
(2) The input impedance of the voltage differential relay installed in the secondary circuit of the current transformer is divided, and the inspection input voltage is applied between both of the divided impedances and the other power supply line. An inspection circuit for a protective relay device according to claim 1 of the utility model registration claim.
JP12580882U 1982-08-18 1982-08-18 Inspection circuit of protective relay device Granted JPS5930642U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12580882U JPS5930642U (en) 1982-08-18 1982-08-18 Inspection circuit of protective relay device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12580882U JPS5930642U (en) 1982-08-18 1982-08-18 Inspection circuit of protective relay device

Publications (2)

Publication Number Publication Date
JPS5930642U true JPS5930642U (en) 1984-02-25
JPH0214281Y2 JPH0214281Y2 (en) 1990-04-18

Family

ID=30286291

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12580882U Granted JPS5930642U (en) 1982-08-18 1982-08-18 Inspection circuit of protective relay device

Country Status (1)

Country Link
JP (1) JPS5930642U (en)

Also Published As

Publication number Publication date
JPH0214281Y2 (en) 1990-04-18

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