JPS6270631U - - Google Patents

Info

Publication number
JPS6270631U
JPS6270631U JP16306985U JP16306985U JPS6270631U JP S6270631 U JPS6270631 U JP S6270631U JP 16306985 U JP16306985 U JP 16306985U JP 16306985 U JP16306985 U JP 16306985U JP S6270631 U JPS6270631 U JP S6270631U
Authority
JP
Japan
Prior art keywords
phase
output
flop
flip
pulse generator
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
JP16306985U
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 JP16306985U priority Critical patent/JPS6270631U/ja
Publication of JPS6270631U publication Critical patent/JPS6270631U/ja
Pending legal-status Critical Current

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  • Protection Of Generators And Motors (AREA)
  • Logic Circuits (AREA)

Description

【図面の簡単な説明】
第１図はこの考案の実施例を示す回路図、第２
図は上記実施例における各部の波形図、第３図は
従来の逆相検知装置の回路図、第４図は上記従来
例における各部の波形図である。 図において、３Ｕ，３Ｖ，３Ｗ……検知部、４
Ｕ，４Ｖ，４Ｗ……波形成形部、６Ｕ，６Ｖ，６
Ｗ……パルス作成部、１１，１３……フリツプフ
ロツプ、１２……アンドゲート。なお、図中、同
一符号は同一または相当部分を示す。

Claims (1)

    【実用新案登録請求の範囲】
  1. ３相交流電動機の各相電流の半波をそれぞれ検
    出する検知部、該各相の検知部の出力をそれぞれ
    矩形波に波形成形する各相の波形成形部、該波形
    成形部の出力にそれぞれ同期する細巾パルスを発
    生する各相のパルス作成部、第１の相のパルス作
    成部の出力によりそれぞれセツトおよびリセツト
    される前段および後段のフリツプフロツプ、第２
    のパルス発生部の出力と前段のフリツプフロツプ
    のセツト出力との論理積を取るアンドゲートを有
    し、前段のフリツプフロツプは第３のパルス発生
    部の出力によりセツトされ、後段のフリツプフロ
    ツプは上記アンドゲートの出力によりセツトされ
    ることを特徴とする逆相検知装置。
JP16306985U 1985-10-22 1985-10-22 Pending JPS6270631U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16306985U JPS6270631U (ja) 1985-10-22 1985-10-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16306985U JPS6270631U (ja) 1985-10-22 1985-10-22

Publications (1)

Publication Number Publication Date
JPS6270631U true JPS6270631U (ja) 1987-05-06

Family

ID=31090922

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16306985U Pending JPS6270631U (ja) 1985-10-22 1985-10-22

Country Status (1)

Country Link
JP (1) JPS6270631U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3825768A (en) * 1973-02-15 1974-07-23 Eaton Corp Phase sequence and power loss detector

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3825768A (en) * 1973-02-15 1974-07-23 Eaton Corp Phase sequence and power loss detector

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