JPH0253298U - - Google Patents

Info

Publication number
JPH0253298U
JPH0253298U JP12911388U JP12911388U JPH0253298U JP H0253298 U JPH0253298 U JP H0253298U JP 12911388 U JP12911388 U JP 12911388U JP 12911388 U JP12911388 U JP 12911388U JP H0253298 U JPH0253298 U JP H0253298U
Authority
JP
Japan
Prior art keywords
motor
signal
pass filter
midpoint
windings
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
JP12911388U
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 JP12911388U priority Critical patent/JPH0253298U/ja
Publication of JPH0253298U publication Critical patent/JPH0253298U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Ac Motors In General (AREA)

Description

【図面の簡単な説明】
第1図は本考案の実施例による故障モニタ装置
を備えたACモータの構成図、第2図は主な信号
の波形図である。 1…3相電源、2…整流回路、4…インバータ
、5…ACモータ、6…制御回路、7…ベース駆
動回路、8…ホトカプラ、14…低域通過フイル
タ、18…表示器、C…指令信号、Sn…検知信
号。

Claims (1)

    【実用新案登録請求の範囲】
  1. パルス幅変調インバータによりDC―AC変換
    を行なうACモータにおいて、巻線の中点の電圧
    信号を低域通過フイルタを通過せしめその信号と
    モータへの指令信号と比較しモータ制御系の故障
    検出を行なうACモータのモニタ装置。
JP12911388U 1988-09-30 1988-09-30 Pending JPH0253298U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12911388U JPH0253298U (ja) 1988-09-30 1988-09-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12911388U JPH0253298U (ja) 1988-09-30 1988-09-30

Publications (1)

Publication Number Publication Date
JPH0253298U true JPH0253298U (ja) 1990-04-17

Family

ID=31383087

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12911388U Pending JPH0253298U (ja) 1988-09-30 1988-09-30

Country Status (1)

Country Link
JP (1) JPH0253298U (ja)

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