JPS6114837U - Power converter failure detection device - Google Patents

Power converter failure detection device

Info

Publication number
JPS6114837U
JPS6114837U JP9776984U JP9776984U JPS6114837U JP S6114837 U JPS6114837 U JP S6114837U JP 9776984 U JP9776984 U JP 9776984U JP 9776984 U JP9776984 U JP 9776984U JP S6114837 U JPS6114837 U JP S6114837U
Authority
JP
Japan
Prior art keywords
power converter
output
power
detection device
failure detection
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
JP9776984U
Other languages
Japanese (ja)
Inventor
幹男 加藤
Original Assignee
富士電機株式会社
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 富士電機株式会社 filed Critical 富士電機株式会社
Priority to JP9776984U priority Critical patent/JPS6114837U/en
Publication of JPS6114837U publication Critical patent/JPS6114837U/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]

′図は本考案の実施例を示す回路図である。 １・・・・・・交流電源、２・・・・・・電力変換器と
しての１号サイリスダ整流器、３・・・・・・電力変換
器としての２号サイリスタ整流器 ４ ａｍ・・・・バ
ッテリー、５・・・・・・負荷、１１・・・・・・１号
電流検出器、１２・・・・・・２号電流検出器、１３・
・・・・・最大電流検出手段、１６・・・・・・過電圧
検出器、１８・・・・・・異常検出手段。Figure ' is a circuit diagram showing an embodiment of the present invention. 1...AC power supply, 2...No. 1 thyristor rectifier as a power converter, 3...No. 2 thyristor rectifier as a power converter 4 am...Battery , 5... Load, 11... No. 1 current detector, 12... No. 2 current detector, 13.
... Maximum current detection means, 16 ... Overvoltage detector, 18 ... Abnormality detection means.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 所定電圧の直流電力を出力する複数の電力変換器の直流
出力側を並列に接続し、それぞれの１出力５電流が平衡
するよう制御しながら並列運転をする電力弯換器におい
て、前記各電力弯換器出力電流を別個に検出する電流検
出器と、該各検出電流を比較していずれの電力変換器出
力電流が最大であるかを検出する最大電流検出手段と、
前記電力変一 換器が出力する所定電圧の上側に設定さ
れろ過電圧を検出する過電圧検出器と、該過電圧検出器
出力信号と前記最大電流検出手段出力信号から過電圧異
常となった電力変換器を検出する異常検出手段とを備え
てなることを特徴とする電力変換器の故障検出装置。In a power converter in which the DC output sides of a plurality of power converters that output DC power of a predetermined voltage are connected in parallel, and the power converters are operated in parallel while controlling each output 5 currents to be balanced, each power converter is a current detector that separately detects the converter output current; a maximum current detection means that compares the respective detected currents to detect which power converter output current is the maximum;
An overvoltage detector that is set above a predetermined voltage output by the power converter and detects a filtered voltage, and an overvoltage detector that detects an overvoltage abnormality based on the output signal of the overvoltage detector and the output signal of the maximum current detection means. 1. A failure detection device for a power converter, comprising: abnormality detection means for detecting an abnormality.
JP9776984U 1984-06-29 1984-06-29 Power converter failure detection device Pending JPS6114837U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9776984U JPS6114837U (en) 1984-06-29 1984-06-29 Power converter failure detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9776984U JPS6114837U (en) 1984-06-29 1984-06-29 Power converter failure detection device

Publications (1)

Publication Number Publication Date
JPS6114837U true JPS6114837U (en) 1986-01-28

Family

ID=30657329

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9776984U Pending JPS6114837U (en) 1984-06-29 1984-06-29 Power converter failure detection device

Country Status (1)

Country Link
JP (1) JPS6114837U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63217920A (en) * 1987-03-04 1988-09-12 株式会社日立製作所 Abnormality detector of frequency converter
JPH03118050U (en) * 1990-03-19 1991-12-05

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63217920A (en) * 1987-03-04 1988-09-12 株式会社日立製作所 Abnormality detector of frequency converter
JPH03118050U (en) * 1990-03-19 1991-12-05

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