JPS6011685U - Rectifier overcurrent protection device - Google Patents

Rectifier overcurrent protection device

Info

Publication number
JPS6011685U
JPS6011685U JP10232683U JP10232683U JPS6011685U JP S6011685 U JPS6011685 U JP S6011685U JP 10232683 U JP10232683 U JP 10232683U JP 10232683 U JP10232683 U JP 10232683U JP S6011685 U JPS6011685 U JP S6011685U
Authority
JP
Japan
Prior art keywords
rectifier
protection device
current
overcurrent protection
detector
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
JP10232683U
Other languages
Japanese (ja)
Inventor
湯浅　和典
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 JP10232683U priority Critical patent/JPS6011685U/en
Publication of JPS6011685U publication Critical patent/JPS6011685U/en
Pending legal-status Critical Current

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  • Protection Of Static Devices (AREA)
  • Rectifiers (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図は整流装置の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整流装置の過電流保護装置の
実施例の回路図である。 図において、１・・・・・・交流変流器、２・・・・・
・過電流継電器、３・・・・・・入力変圧器、４・・・
・・・３相全波整流器、６・・・・・・負荷、７・・・
・・・直流変流器、８・・・・・・直流側電流検出器、
９・・・・・・補助交流変流器、１０・・・・・・交流
側電流検出器、１１・・・・・・故障検出器。なお、図
中、同一符号は同一または相当部分を示す。FIG. 1 is a circuit diagram showing a conventional overcurrent protection device for a rectifier, and FIG. 2 is a circuit diagram of an embodiment of the overcurrent protection device for a rectifier according to this invention. In the figure, 1... AC current transformer, 2...
・Overcurrent relay, 3... Input transformer, 4...
...3-phase full-wave rectifier, 6...Load, 7...
...DC current transformer, 8...DC side current detector,
9... Auxiliary AC current transformer, 10... AC side current detector, 11... Failure detector. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 整流器の各アームに挿入された限流ヒユーズと、交流変
流器を介して上記整流器の入力側に挿入されたバックア
ップ保護用の過電流継電器を具える整流装置の保護装置
において、直流変流器を介して上記整流器の出力電流が
入力される直流側電流検出器、上記交流変流器の出力電
流が入力される交流側電流検出器、上記交流側電流検出
器の検出信号と上記直流側電流検出器の検出信号を比較
して前者が大である時に故障信号を発生する故障検出器
を設けたことを特徴とする整流装置の過電流保護装置。A protection device for a rectifier comprising a current-limiting fuse inserted into each arm of the rectifier and an overcurrent relay for backup protection inserted into the input side of the rectifier via an AC current transformer. a DC-side current detector to which the output current of the rectifier is input, an AC-side current detector to which the output current of the AC transformer is input, a detection signal of the AC-side current detector and the DC-side current. An overcurrent protection device for a rectifier, comprising a failure detector that compares detection signals of the detectors and generates a failure signal when the former is larger.
JP10232683U 1983-06-29 1983-06-29 Rectifier overcurrent protection device Pending JPS6011685U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10232683U JPS6011685U (en) 1983-06-29 1983-06-29 Rectifier overcurrent protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10232683U JPS6011685U (en) 1983-06-29 1983-06-29 Rectifier overcurrent protection device

Publications (1)

Publication Number Publication Date
JPS6011685U true JPS6011685U (en) 1985-01-26

Family

ID=30241257

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10232683U Pending JPS6011685U (en) 1983-06-29 1983-06-29 Rectifier overcurrent protection device

Country Status (1)

Country Link
JP (1) JPS6011685U (en)

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