JPS5895143U - 三相電源の欠相検出装置 - Google Patents

三相電源の欠相検出装置

Info

Publication number
JPS5895143U
JPS5895143U JP19218181U JP19218181U JPS5895143U JP S5895143 U JPS5895143 U JP S5895143U JP 19218181 U JP19218181 U JP 19218181U JP 19218181 U JP19218181 U JP 19218181U JP S5895143 U JPS5895143 U JP S5895143U
Authority
JP
Japan
Prior art keywords
power supply
phase
detection device
open
phase power
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
JP19218181U
Other languages
English (en)
Inventor
内園 茂
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dengen Co Ltd
Original Assignee
Dengen Co Ltd
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 Dengen Co Ltd filed Critical Dengen Co Ltd
Priority to JP19218181U priority Critical patent/JPS5895143U/ja
Publication of JPS5895143U publication Critical patent/JPS5895143U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (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。

Description

【図面の簡単な説明】
第1図はこの考案の三相電源の欠相検出装置のブロック
図、第2図は三相整流と単相整流との出力波形を比較し
て示す図表、第3図は第1図に示す三相電源の欠相検出
装置の電気回路図である。

Claims (1)

    【実用新案登録請求の範囲】
  1. 三相電源に整流回路を接続し、こ゛の整流回路に平均直
    流電圧に変換するためのフィルターを介して電圧比較器
    を接続し、これによって三相電源の欠相を検出するよう
    にしたことを特徴とする三相電源の欠相検出装置。
JP19218181U 1981-12-22 1981-12-22 三相電源の欠相検出装置 Pending JPS5895143U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19218181U JPS5895143U (ja) 1981-12-22 1981-12-22 三相電源の欠相検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19218181U JPS5895143U (ja) 1981-12-22 1981-12-22 三相電源の欠相検出装置

Publications (1)

Publication Number Publication Date
JPS5895143U true JPS5895143U (ja) 1983-06-28

Family

ID=33307662

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19218181U Pending JPS5895143U (ja) 1981-12-22 1981-12-22 三相電源の欠相検出装置

Country Status (1)

Country Link
JP (1) JPS5895143U (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009207329A (ja) * 2008-02-29 2009-09-10 Daikin Ind Ltd 過電圧保護回路
JP2009213185A (ja) * 2008-02-29 2009-09-17 Daikin Ind Ltd 過電圧保護回路

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55136819A (en) * 1979-04-10 1980-10-25 Fuji Electric Co Ltd Power voltage malfunction detecting circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55136819A (en) * 1979-04-10 1980-10-25 Fuji Electric Co Ltd Power voltage malfunction detecting circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009207329A (ja) * 2008-02-29 2009-09-10 Daikin Ind Ltd 過電圧保護回路
JP2009213185A (ja) * 2008-02-29 2009-09-17 Daikin Ind Ltd 過電圧保護回路

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