JPH0390085U - - Google Patents
Info
- Publication number
- JPH0390085U JPH0390085U JP15234589U JP15234589U JPH0390085U JP H0390085 U JPH0390085 U JP H0390085U JP 15234589 U JP15234589 U JP 15234589U JP 15234589 U JP15234589 U JP 15234589U JP H0390085 U JPH0390085 U JP H0390085U
- Authority
- JP
- Japan
- Prior art keywords
- partial discharge
- detection device
- detector
- discharge detection
- acoustic detector
- 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
Links
- 238000001514 detection method Methods 0.000 claims 2
- 238000001914 filtration Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Testing Relating To Insulation (AREA)
Description
第１図は本考案の実施例の構成を説明する図、
第２図ａ乃至ｄはセンサの検出する波形図、第３
図は構成各部の出力波形図、第４図乃至第８図は
従来技術による実施例を説明する図である。
１……バンドパスフイルタ、２……ＡＥセンサ
（音響的検出器）、１００……密閉金属容器、１
０５……Ｃ・Ｔ（変流器）、１０７……包絡線検
波器（検波器）、１０８……レベル判定回路。
FIG. 1 is a diagram illustrating the configuration of an embodiment of the present invention;
Figures 2 a to d are waveform diagrams detected by the sensor, Figure 3
The figure is an output waveform diagram of each component part, and FIGS. 4 to 8 are diagrams for explaining an example according to the prior art. 1... Bandpass filter, 2... AE sensor (acoustic detector), 100... Sealed metal container, 1
05...C.T (current transformer), 107...Envelope detector (wave detector), 108...Level determination circuit.
Claims (1)
的検出器により電気信号に変換して判別する部分
放電検出装置において、 音響的検出器が検出する信号の一定帯域の周波
数をろ波するバンドパスフイルタを検波器の前段
に備えることを特徴とした部分放電検出装置。[Scope of Claim for Utility Model Registration] In a partial discharge detection device that converts internal partial discharge occurring in gas-insulated electrical equipment into an electrical signal using an acoustic detector and distinguishes it, the frequency of the signal detected by the acoustic detector is within a certain band. A partial discharge detection device characterized in that a bandpass filter for filtering the waveform is provided in the front stage of a wave detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15234589U JPH0390085U (en) | 1989-12-27 | 1989-12-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15234589U JPH0390085U (en) | 1989-12-27 | 1989-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0390085U true JPH0390085U (en) | 1991-09-13 |
Family
ID=31698614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15234589U Pending JPH0390085U (en) | 1989-12-27 | 1989-12-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0390085U (en) |
-
1989
- 1989-12-27 JP JP15234589U patent/JPH0390085U/ja active Pending
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