JPH0330737U - - Google Patents

Info

Publication number
JPH0330737U
JPH0330737U JP9069689U JP9069689U JPH0330737U JP H0330737 U JPH0330737 U JP H0330737U JP 9069689 U JP9069689 U JP 9069689U JP 9069689 U JP9069689 U JP 9069689U JP H0330737 U JPH0330737 U JP H0330737U
Authority
JP
Japan
Prior art keywords
filter
fundamental wave
harmonic
component
overload
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
JP9069689U
Other languages
English (en)
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 filed Critical
Priority to JP9069689U priority Critical patent/JPH0330737U/ja
Publication of JPH0330737U publication Critical patent/JPH0330737U/ja
Pending legal-status Critical Current

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  • Supply And Distribution Of Alternating Current (AREA)

Description

【図面の簡単な説明】
第1図はこの考案の実施例の過負荷検出リレー
の回路図を示し、第2図は同リレーを使用した送
配電系統の一部を示す図である。また第3図は調
相設備における過負荷特性カーブを示し、第4図
は従来考えることのできた過負荷検出回路の構成
図である。

Claims (1)

  1. 【実用新案登録請求の範囲】 調相設備における母線側電圧の基本波分と高調
    波分を各々取り出す基本波フイルタおよび高調波
    フイルタと、 各フイルタの出力の比率に基づいて過負荷状態
    の有無判定を行う手段と、 を備えてなる調相設備における過負荷検出装置
JP9069689U 1989-07-31 1989-07-31 Pending JPH0330737U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9069689U JPH0330737U (ja) 1989-07-31 1989-07-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9069689U JPH0330737U (ja) 1989-07-31 1989-07-31

Publications (1)

Publication Number Publication Date
JPH0330737U true JPH0330737U (ja) 1991-03-26

Family

ID=31640211

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9069689U Pending JPH0330737U (ja) 1989-07-31 1989-07-31

Country Status (1)

Country Link
JP (1) JPH0330737U (ja)

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