JPH01162671U - - Google Patents
Info
- Publication number
- JPH01162671U JPH01162671U JP5743088U JP5743088U JPH01162671U JP H01162671 U JPH01162671 U JP H01162671U JP 5743088 U JP5743088 U JP 5743088U JP 5743088 U JP5743088 U JP 5743088U JP H01162671 U JPH01162671 U JP H01162671U
- Authority
- JP
- Japan
- Prior art keywords
- iron core
- magnetic field
- field sensor
- cable
- optical magnetic
- 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
- 230000003287 optical effect Effects 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
Landscapes
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Description
第１図は本考案の零相電流測定装置の構成を示
す説明図、第２図は本考案の装置に用いられる光
磁界センサの構成を示す説明図、第３図および第
４図はそれぞれ従来の単相用変流器の構成を示す
説明図であり、第５図は従来の零相電流測定装置
の構成を示す説明図である。
図中の符号、１……ケーブル線路、２……ケー
ブル、３……三芯ケーブル、１０……単相用変流
器、１１……変流器、１５……検知手段、１９…
…制御装置、２０……変流器、２１……電線、２
２……巻線部、２３……鉄芯、２５……光源、２
６……受光部、２７……Ｏ／Ｅ変換回路、２８…
…表示部、３０……光磁界センサ、３１……光フ
アイバー、３５……フアラデー素子。
Fig. 1 is an explanatory diagram showing the configuration of the zero-sequence current measuring device of the present invention, Fig. 2 is an explanatory diagram showing the configuration of the optical magnetic field sensor used in the device of the present invention, and Figs. 3 and 4 are respectively conventional diagrams. FIG. 5 is an explanatory diagram showing the configuration of a single-phase current transformer, and FIG. 5 is an explanatory diagram showing the configuration of a conventional zero-phase current measuring device. Symbols in the diagram: 1... Cable line, 2... Cable, 3... Three-core cable, 10... Single-phase current transformer, 11... Current transformer, 15... Detection means, 19...
...Control device, 20...Current transformer, 21...Electric wire, 2
2...Winding part, 23...Iron core, 25...Light source, 2
6... Light receiving section, 27... O/E conversion circuit, 28...
...Display section, 30... Optical magnetic field sensor, 31... Optical fiber, 35... Faraday element.
Claims (1)
れぞれ巻線を設け、該巻線を直列に接続するとと
もに、その引出し線の端部を鉄芯に対する巻線部
に接続し、 前記鉄芯を略Ｃ字状に構成して、該鉄芯のギヤ
ツプ部分に光磁界センサを配置し、該光磁界セン
サによつて得られた光信号を処理することによつ
て、ケーブル線路での電流の変化を検知するよう
に構成したことを特徴とする零相電流測定装置。[Claim for Utility Model Registration] A winding is provided for each cable of a three-phase AC high-voltage power transmission line, and the windings are connected in series, and the end of the lead wire is connected to the winding part for the iron core. By connecting the iron core to a substantially C-shape, arranging an optical magnetic field sensor in the gap part of the iron core, and processing the optical signal obtained by the optical magnetic field sensor. A zero-sequence current measuring device characterized in that it is configured to detect changes in current in a cable line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5743088U JPH073346Y2 (en) | 1988-04-28 | 1988-04-28 | Zero-phase current measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5743088U JPH073346Y2 (en) | 1988-04-28 | 1988-04-28 | Zero-phase current measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01162671U true JPH01162671U (en) | 1989-11-13 |
| JPH073346Y2 JPH073346Y2 (en) | 1995-01-30 |
Family
ID=31283286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5743088U Expired - Lifetime JPH073346Y2 (en) | 1988-04-28 | 1988-04-28 | Zero-phase current measuring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH073346Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03285180A (en) * | 1990-03-30 | 1991-12-16 | Chubu Electric Power Co Inc | Light ct for complex conductors |
| JP2010002226A (en) * | 2008-06-18 | 2010-01-07 | Hitachi Cable Ltd | Power cable with current sensor, plug-in cable using same, and electric energy measuring device |
-
1988
- 1988-04-28 JP JP5743088U patent/JPH073346Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03285180A (en) * | 1990-03-30 | 1991-12-16 | Chubu Electric Power Co Inc | Light ct for complex conductors |
| JP2010002226A (en) * | 2008-06-18 | 2010-01-07 | Hitachi Cable Ltd | Power cable with current sensor, plug-in cable using same, and electric energy measuring device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH073346Y2 (en) | 1995-01-30 |
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