JPH0388166U - - Google Patents
Info
- Publication number
- JPH0388166U JPH0388166U JP14851989U JP14851989U JPH0388166U JP H0388166 U JPH0388166 U JP H0388166U JP 14851989 U JP14851989 U JP 14851989U JP 14851989 U JP14851989 U JP 14851989U JP H0388166 U JPH0388166 U JP H0388166U
- Authority
- JP
- Japan
- Prior art keywords
- current transformer
- transformer
- leakage current
- insulation resistance
- low
- 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
Links
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Measurement Of Resistance Or Impedance (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Description
第１図は本考案による検出変流器及び絶縁抵抗
測定装置本体の接続を示すブロツク図。第２図は
従来の絶縁抵抗測定装置のブロツク図。
FIG. 1 is a block diagram showing the connection between the detection current transformer and the main body of the insulation resistance measuring device according to the present invention. FIG. 2 is a block diagram of a conventional insulation resistance measuring device.
Claims (1)
商用周波数と異なる測定用低周波信号電圧を加え
ると共に該接地線又は電路に結合した検出変流器
により該測定用低周波信号の漏洩電流成分を検出
し、この漏洩電流成分中、絶縁抵抗に起因する成
分を検出する装置の該検出変流器において、該接
地線又は該電路に流れる該測定用低周波信号の漏
洩電流成分を検出する変流器部と該変流器の２次
側に発生する信号を増幅する増幅部を同一ケース
内に配置したことを特徴とする絶縁抵抗測定装置
の検出変流器。 A low-frequency signal voltage for measurement different from the commercial frequency of the electric line is applied to the grounding wire of the transformer via an injection transformer, and a leakage current of the low-frequency signal for measurement is detected by a detection current transformer coupled to the grounding line or electric line. The detection current transformer of the device detects the leakage current component and detects the component resulting from insulation resistance among the leakage current components. 1. A detection current transformer for an insulation resistance measuring device, characterized in that a current transformer section and an amplifier section for amplifying a signal generated on the secondary side of the current transformer are arranged in the same case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14851989U JPH074584Y2 (en) | 1989-12-22 | 1989-12-22 | Detection current transformer of insulation resistance measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14851989U JPH074584Y2 (en) | 1989-12-22 | 1989-12-22 | Detection current transformer of insulation resistance measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0388166U true JPH0388166U (en) | 1991-09-09 |
| JPH074584Y2 JPH074584Y2 (en) | 1995-02-01 |
Family
ID=31694964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14851989U Expired - Lifetime JPH074584Y2 (en) | 1989-12-22 | 1989-12-22 | Detection current transformer of insulation resistance measuring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH074584Y2 (en) |
-
1989
- 1989-12-22 JP JP14851989U patent/JPH074584Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH074584Y2 (en) | 1995-02-01 |
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