JPS62149834U - - Google Patents
Info
- Publication number
- JPS62149834U JPS62149834U JP3791886U JP3791886U JPS62149834U JP S62149834 U JPS62149834 U JP S62149834U JP 3791886 U JP3791886 U JP 3791886U JP 3791886 U JP3791886 U JP 3791886U JP S62149834 U JPS62149834 U JP S62149834U
- Authority
- JP
- Japan
- Prior art keywords
- zero
- current transformer
- phase current
- hollow annular
- arm
- 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
- 239000013307 optical fiber Substances 0.000 claims description 3
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims 1
- 239000011151 fibre-reinforced plastic Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
Landscapes
- Transformers For Measuring Instruments (AREA)
Description
第１図は本考案の零相変流器の実施例の説明図
、第２図は第１図のＸ―Ｘ断面図である。又第３
図は従来の零相変流器の説明図、第４図は従来の
零相変流器による架空絶縁電線の零相電流検出の
説明図である。
１……架空絶縁電線、２……電柱、３……碍子
、４……中空環状アーム、５……磁心、６……光
フアイバ磁界センサ、７……光フアイバケーブル
。
FIG. 1 is an explanatory diagram of an embodiment of the zero-phase current transformer of the present invention, and FIG. 2 is a sectional view taken along line XX in FIG. Also the third
FIG. 4 is an explanatory diagram of a conventional zero-phase current transformer, and FIG. 4 is an explanatory diagram of zero-phase current detection of an overhead insulated wire by the conventional zero-phase current transformer. DESCRIPTION OF SYMBOLS 1... Overhead insulated electric wire, 2... Utility pole, 3... Insulator, 4... Hollow annular arm, 5... Magnetic core, 6... Optical fiber magnetic field sensor, 7... Optical fiber cable.
Claims (1)
囲する形で中空環状アームを設け、該アーム内に
上記三相の絶縁電線を一部間隙を残して一周する
形で磁心を配置し、上記間隙内に光フアイバ磁界
センサを配設したことを特徴とする零相変流器。 (2) 中空環状アームの横断面形状が１部で不連
続部をもつた方形状であることを特徴とする実用
新案登録請求の範囲第１項記載の零相変流器。 (3) 中空環状アームが繊維強化プラスチツクで
構成されていることを特徴とする実用新案登録請
求の範囲第１項記載の零相変流器。[Scope of Claim for Utility Model Registration] (1) A hollow annular arm is provided outside a bundle of three-phase insulated wires to surround it, and the three-phase insulated wires are arranged within the arm with some gaps left. 1. A zero-phase current transformer characterized in that a magnetic core is arranged in a circle, and an optical fiber magnetic field sensor is arranged in the gap. (2) The zero-phase current transformer according to claim 1, wherein the hollow annular arm has a rectangular cross-sectional shape with a discontinuous portion at one part. (3) The zero-phase current transformer according to claim 1, wherein the hollow annular arm is made of fiber-reinforced plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3791886U JPS62149834U (en) | 1986-03-14 | 1986-03-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3791886U JPS62149834U (en) | 1986-03-14 | 1986-03-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62149834U true JPS62149834U (en) | 1987-09-22 |
Family
ID=30849675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3791886U Pending JPS62149834U (en) | 1986-03-14 | 1986-03-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62149834U (en) |
-
1986
- 1986-03-14 JP JP3791886U patent/JPS62149834U/ja active Pending
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