JPS6152428U - - Google Patents

Info

Publication number
JPS6152428U
JPS6152428U JP13637684U JP13637684U JPS6152428U JP S6152428 U JPS6152428 U JP S6152428U JP 13637684 U JP13637684 U JP 13637684U JP 13637684 U JP13637684 U JP 13637684U JP S6152428 U JPS6152428 U JP S6152428U
Authority
JP
Japan
Prior art keywords
phase
output
maximum value
detection circuit
detects
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.)
Granted
Application number
JP13637684U
Other languages
English (en)
Other versions
JPH0246206Y2 (ja
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 JP1984136376U priority Critical patent/JPH0246206Y2/ja
Publication of JPS6152428U publication Critical patent/JPS6152428U/ja
Application granted granted Critical
Publication of JPH0246206Y2 publication Critical patent/JPH0246206Y2/ja
Expired legal-status Critical Current

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  • Emergency Protection Circuit Devices (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例を示すブロツク図、
第2図a,b,cは欠相のいろいろの場合を示す
結線図、第3図a乃至eは第2図の各場合の波形
図、第4図a乃至dは第1図における各部の波形
図、第5図は従来例のブロツク図、第6図は他の
従来例のブロツク図である。 T1,T2,T3…変流器、D1,D2,D3
…整流器、S1,S2,S3…平滑回路、M…最
大値検出回路、R1,R2…分圧抵抗、C1,C
2,C3…コンパレータ、H1,H2…波形整形
回路、E…排他的論理和回路、W…ワンシヨツト
回路、I…インバータ、G…論理和回路。

Claims (1)

    【実用新案登録請求の範囲】
  1. 3相交流の各相の電流レベルを検出する変流器
    と、各変流器の半波整流出力を平滑化する平滑路
    と、各平滑出力のうちの最大値を検出する最大値
    検出回路と、最大値検出回路出力の分圧電圧と各
    平滑出力とを比較するコンパレータと、任意の2
    相が同相又は逆相である場合を検知する手段と、
    同手段の検出出力と上記各コンパレータの出力を
    入力とする論理和回路とを備えて成ることを特徴
    とする欠相検出回路。
JP1984136376U 1984-09-07 1984-09-07 Expired JPH0246206Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984136376U JPH0246206Y2 (ja) 1984-09-07 1984-09-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984136376U JPH0246206Y2 (ja) 1984-09-07 1984-09-07

Publications (2)

Publication Number Publication Date
JPS6152428U true JPS6152428U (ja) 1986-04-09
JPH0246206Y2 JPH0246206Y2 (ja) 1990-12-06

Family

ID=30694834

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984136376U Expired JPH0246206Y2 (ja) 1984-09-07 1984-09-07

Country Status (1)

Country Link
JP (1) JPH0246206Y2 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5340004U (ja) * 1976-09-10 1978-04-07
JPS5554445U (ja) * 1978-10-09 1980-04-12

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5340004U (ja) * 1976-09-10 1978-04-07
JPS5554445U (ja) * 1978-10-09 1980-04-12

Also Published As

Publication number Publication date
JPH0246206Y2 (ja) 1990-12-06

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