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JPS6018638U - Overcurrent protection device - Google Patents

Overcurrent protection device

Info

Publication number
JPS6018638U
JPS6018638U JP11026383U JP11026383U JPS6018638U JP S6018638 U JPS6018638 U JP S6018638U JP 11026383 U JP11026383 U JP 11026383U JP 11026383 U JP11026383 U JP 11026383U JP S6018638 U JPS6018638 U JP S6018638U
Authority
JP
Japan
Prior art keywords
protection device
overcurrent protection
motor
relay
overcurrent
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
JP11026383U
Other languages
Japanese (ja)
Inventor
土田　恭愛
Original Assignee
株式会社日立製作所
日立エンジニアリング株式会社
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 株式会社日立製作所, 日立エンジニアリング株式会社 filed Critical 株式会社日立製作所
Priority to JP11026383U priority Critical patent/JPS6018638U/en
Publication of JPS6018638U publication Critical patent/JPS6018638U/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Generators And Motors (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図は本考案の一実施例の回路図、第２図はモータ起
動電流特性及び継電器の動作特性図である。 ４・・・受電電流検出用変流器、１０・・・継電器９の
動作コイル、５・・・配電線電流検出用変流器、１５・
・・継電器１４め動作コイル。FIG. 1 is a circuit diagram of an embodiment of the present invention, and FIG. 2 is a diagram showing motor starting current characteristics and relay operating characteristics. 4... Current transformer for detecting power receiving current, 10... Operating coil of relay 9, 5... Current transformer for detecting distribution line current, 15...
...Relay 14th operating coil.

Claims (1)

【実用新案登録請求の範囲】 大容量モータ負荷をもつ、所内受電回路の過電流保護装
置に於いて、 保護継電器の整定をモータの起動電流に影響されなくす
るために、過電流継電器に抑制コイルを付加し、モータ
起動時のみ起動電流を抑制電流と、　　して使用する事
を特徴とする過電流保護装置。[Claim for Utility Model Registration] In an overcurrent protection device for an in-station power receiving circuit that has a large motor load, a suppression coil is installed in the overcurrent relay in order to make the setting of the protective relay unaffected by the motor starting current. An overcurrent protection device characterized in that it is used by adding and suppressing the starting current only when starting the motor.
JP11026383U 1983-07-18 1983-07-18 Overcurrent protection device Pending JPS6018638U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11026383U JPS6018638U (en) 1983-07-18 1983-07-18 Overcurrent protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11026383U JPS6018638U (en) 1983-07-18 1983-07-18 Overcurrent protection device

Publications (1)

Publication Number Publication Date
JPS6018638U true JPS6018638U (en) 1985-02-08

Family

ID=30256512

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11026383U Pending JPS6018638U (en) 1983-07-18 1983-07-18 Overcurrent protection device

Country Status (1)

Country Link
JP (1) JPS6018638U (en)

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