JPS5998555U - Overcurrent tripping device for breaker - Google Patents

Overcurrent tripping device for breaker

Info

Publication number
JPS5998555U
JPS5998555U JP19395482U JP19395482U JPS5998555U JP S5998555 U JPS5998555 U JP S5998555U JP 19395482 U JP19395482 U JP 19395482U JP 19395482 U JP19395482 U JP 19395482U JP S5998555 U JPS5998555 U JP S5998555U
Authority
JP
Japan
Prior art keywords
breaker
optical fiber
conductor
phase
light
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
JP19395482U
Other languages
Japanese (ja)
Inventor
洋 海野
Original Assignee
株式会社東芝
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 株式会社東芝 filed Critical 株式会社東芝
Priority to JP19395482U priority Critical patent/JPS5998555U/en
Publication of JPS5998555U publication Critical patent/JPS5998555U/en
Pending legal-status Critical Current

Links

Landscapes

  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Keying 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 the drawing]

第１図は本考案の一実施例を示す回路図、第２　　−図
は第１図における光−電圧変換器の１相分を示す構成図
である。 １・・・レーザ光源、２・・・偏光子、３・・・プリズ
ム、４・・・光受信機、５・・・信号処理器、１０・・
・光ファイバ、１１・・・光−電圧変換器、１２・・・
特性出力回路、１３・・・電源。FIG. 1 is a circuit diagram showing an embodiment of the present invention, and FIG. 2 is a configuration diagram showing one phase of the optical-voltage converter in FIG. 1. DESCRIPTION OF SYMBOLS 1... Laser light source, 2... Polarizer, 3... Prism, 4... Optical receiver, 5... Signal processor, 10...
・Optical fiber, 11...light-voltage converter, 12...
Characteristic output circuit, 13... power supply.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] しゃ断器の各相の導体に巻かれた光ファイバと、上記光
ファイバに直線偏光レーザを投射し各相の導体を流れる
電流による磁界に応じて光フアイバ内でファラデー回転
された直線偏光レーザの回転角を検知してこれを電圧信
号に変換する光−電圧変換器と、上記光−電圧変換器の
出力信号を入力して過電流値に対応して限時特性の引外
し信号を出力する特性出力回路を備えたことを特徴とす
るしゃ断器の過電流用外し装置。Rotation of the optical fiber wound around the conductor of each phase of the breaker, and the linearly polarized laser that is Faraday rotated within the optical fiber according to the magnetic field caused by the current flowing through the conductor of each phase by projecting a linearly polarized laser onto the optical fiber. A light-to-voltage converter that detects the angle and converts it into a voltage signal, and a characteristic output that receives the output signal of the light-to-voltage converter and outputs a tripping signal with time-limited characteristics in response to the overcurrent value. A breaker overcurrent release device characterized by being equipped with a circuit.
JP19395482U 1982-12-23 1982-12-23 Overcurrent tripping device for breaker Pending JPS5998555U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19395482U JPS5998555U (en) 1982-12-23 1982-12-23 Overcurrent tripping device for breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19395482U JPS5998555U (en) 1982-12-23 1982-12-23 Overcurrent tripping device for breaker

Publications (1)

Publication Number Publication Date
JPS5998555U true JPS5998555U (en) 1984-07-04

Family

ID=30417028

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19395482U Pending JPS5998555U (en) 1982-12-23 1982-12-23 Overcurrent tripping device for breaker

Country Status (1)

Country Link
JP (1) JPS5998555U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50129920A (en) * 1974-03-22 1975-10-14

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50129920A (en) * 1974-03-22 1975-10-14

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