JPS60135675U - Partial discharge detection circuit - Google Patents
Partial discharge detection circuitInfo
- Publication number
- JPS60135675U JPS60135675U JP2256684U JP2256684U JPS60135675U JP S60135675 U JPS60135675 U JP S60135675U JP 2256684 U JP2256684 U JP 2256684U JP 2256684 U JP2256684 U JP 2256684U JP S60135675 U JPS60135675 U JP S60135675U
- Authority
- JP
- Japan
- Prior art keywords
- filter element
- detection circuit
- partial discharge
- filter
- terminal
- 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
Landscapes
- Testing Relating To Insulation (AREA)
- Protection Of Static 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。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の部分放電検出回路の接続図、第２図は本
考案の実施例を示す検出回路の接続図、第３図は第２図
の実施例の変形例を示す検出回路の接続図である。
１・・・密閉容器、２・・・高電圧導体、３・・・絶縁
スペーサ、４・・・絶縁ガス、５・・・密閉容器の接地
線、６・・・ロゴウスキーコイル、７・・・埋込金具、
８・・・絶縁シート、９・・・電極、１０・・・測定器
、１１・・・帯域通過形フィルタ、ＩＩＡ・・・直列帯
域通過形フィルタ素子、ＩＩＢ・・・分路低域フィルタ
素子、１１Ｃ・・・分路高域フィルタ素子、１２・・−
接続リード、１３・・・検出インピーダンス、１５・・
・測定器、１７Ａ。
１７Ｂ、１７Ｃ・・・接地線、１６・・・シールドケー
ス。Fig. 1 is a connection diagram of a conventional partial discharge detection circuit, Fig. 2 is a connection diagram of a detection circuit showing an embodiment of the present invention, and Fig. 3 is a connection diagram of a detection circuit showing a modification of the embodiment of Fig. 2. It is a diagram. DESCRIPTION OF SYMBOLS 1... Sealed container, 2... High voltage conductor, 3... Insulating spacer, 4... Insulating gas, 5... Grounding wire of sealed container, 6... Rogowski coil, 7...・Embedded metal fittings,
8... Insulating sheet, 9... Electrode, 10... Measuring device, 11... Band pass filter, IIA... Series band pass filter element, IIB... Shunt low pass filter element , 11C... shunt high-pass filter element, 12...-
Connection lead, 13...Detection impedance, 15...
・Measuring device, 17A. 17B, 17C...Grounding wire, 16...Shield case.
Claims (2)
れた電気機器の内部部分放電電流を前記密閉金属容器の
外部に配された測定器により検出するものにおいて、一
方の端子が前記密閉金属容器に直接接続された帯域通過
形フィルタと、このフィルタの他方の端子に直列接続さ
れ一方端が接地された検出インピーダンスとからなる検
出部を備えたことを特徴とする部分放電検出回路。(1) In a device that detects the internal partial discharge current of an electrical device housed in a sealed metal container that is grounded via a grounding wire using a measuring device placed outside the sealed metal container, one terminal is connected to the sealed metal container. 1. A partial discharge detection circuit comprising a detection section comprising a bandpass filter directly connected to a metal container and a detection impedance connected in series to the other terminal of the filter and having one end grounded.
において、帯域通過形フィルタが、帯域通過−形の直列
フィルタ素子と、この直列フィルタ素子の入力端側に接
続された分路低域フィルタ素子と、前記直列フィルタ素
子の出力端側に接続された分路高域フィルタ素子とから
なるπ形３端子フィルタからなり、分路フィルタ素子側
端子が検出インピーダンスの接地線とは異なる接−地線
を介して接地されたことを特徴とする部分放電検出回路
。(2) “In the detection circuit according to claim 1 of the utility model registration, the bandpass type filter includes a bandpass type series filter element and a shunt filter connected to the input end side of the series filter element. It consists of a π-type three-terminal filter consisting of a high-pass filter element and a shunt high-pass filter element connected to the output side of the series filter element, and the shunt filter element side terminal is connected to a ground line different from the ground line of the detection impedance. - A partial discharge detection circuit characterized in that it is grounded via a ground wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2256684U JPS60135675U (en) | 1984-02-20 | 1984-02-20 | Partial discharge detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2256684U JPS60135675U (en) | 1984-02-20 | 1984-02-20 | Partial discharge detection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60135675U true JPS60135675U (en) | 1985-09-09 |
Family
ID=30514979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2256684U Pending JPS60135675U (en) | 1984-02-20 | 1984-02-20 | Partial discharge detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60135675U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6444478U (en) * | 1987-09-11 | 1989-03-16 | ||
| JP2011149896A (en) * | 2010-01-25 | 2011-08-04 | Nissin Electric Co Ltd | Partial discharge measuring method, locating method, and device therefor |
-
1984
- 1984-02-20 JP JP2256684U patent/JPS60135675U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6444478U (en) * | 1987-09-11 | 1989-03-16 | ||
| JP2011149896A (en) * | 2010-01-25 | 2011-08-04 | Nissin Electric Co Ltd | Partial discharge measuring method, locating method, and device therefor |
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