JPH0312176U - - Google Patents

Info

Publication number
JPH0312176U
JPH0312176U JP7283689U JP7283689U JPH0312176U JP H0312176 U JPH0312176 U JP H0312176U JP 7283689 U JP7283689 U JP 7283689U JP 7283689 U JP7283689 U JP 7283689U JP H0312176 U JPH0312176 U JP H0312176U
Authority
JP
Japan
Prior art keywords
resistor
insulation resistance
connection point
ground insulation
ground
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
JP7283689U
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 JP7283689U priority Critical patent/JPH0312176U/ja
Publication of JPH0312176U publication Critical patent/JPH0312176U/ja
Pending legal-status Critical Current

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  • Measurement Of Resistance Or Impedance (AREA)

Description

【図面の簡単な説明】
第1図は実施例の対地絶縁抵抗測定装置の電気
回路図、第2図は直流電動機の正極側で対地絶縁
不良が起きたときの対地絶縁抵抗の測定方法を説
明する電気回路図、第3図は同負極側での対地絶
縁抵抗の測定方法を説明する電気回路図である。 1…対地絶縁抵抗測定装置、7…直流電流計、
9…切り換えスイツチ、R1…第1の抵抗器、R
2…第2の抵抗器、R3…第3の抵抗器、R4…
第4の抵抗器、R5…可変抵抗器、R6…接地抵
抗器、LP,LN…電流母線、M…直流電動機、
G…接地点。

Claims (1)

  1. 【実用新案登録請求の範囲】 直流機の対地絶縁抵抗を測定する対地絶縁抵抗
    測定装置であつて、 上記直流機に直流電流を供給する電源線の正極
    側と負荷側との間に設けられ、第1の抵抗器、第
    2の抵抗器、第3の抵抗器及び第4の抵抗器から
    なる直列回路と、 第2の抵抗器と第3の抵抗器との接続点と接地
    点との間に設けられた可変抵抗器と、 第1の抵抗器と第2の抵抗器との接続点あるい
    は第3の抵抗器と第4の抵抗器との接続点を、接
    地抵抗器に接続する接続切り換え器と、 該接地抵抗器を流れる電流を検出する電流検出
    器と、 を備えたことを特徴とする対地絶縁抵抗測定装
    置。
JP7283689U 1989-06-21 1989-06-21 Pending JPH0312176U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7283689U JPH0312176U (ja) 1989-06-21 1989-06-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7283689U JPH0312176U (ja) 1989-06-21 1989-06-21

Publications (1)

Publication Number Publication Date
JPH0312176U true JPH0312176U (ja) 1991-02-07

Family

ID=31611127

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7283689U Pending JPH0312176U (ja) 1989-06-21 1989-06-21

Country Status (1)

Country Link
JP (1) JPH0312176U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008199934A (ja) * 2007-02-19 2008-09-04 Kyudensha:Kk ラックオーブン

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008199934A (ja) * 2007-02-19 2008-09-04 Kyudensha:Kk ラックオーブン

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