JPH0323372U - - Google Patents
Info
- Publication number
- JPH0323372U JPH0323372U JP8429589U JP8429589U JPH0323372U JP H0323372 U JPH0323372 U JP H0323372U JP 8429589 U JP8429589 U JP 8429589U JP 8429589 U JP8429589 U JP 8429589U JP H0323372 U JPH0323372 U JP H0323372U
- Authority
- JP
- Japan
- Prior art keywords
- output
- current
- current direction
- direction detector
- zener diode
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Locating Faults (AREA)
- Measurement Of Current Or Voltage (AREA)
Description
第１図は、本考案の原理を実施例で表した図で
ある。第２図は、本考案の検出器のブロツク図で
ある。第３図は、検出コイルからの出力電圧波形
図である。
１……架空地線、２，３，４，５……鉄塔、６
，７……ロゴスキーコイル、変流器等の検出コイ
ル、８，９……ツエナーダイオード、１０……地
絡故障電流、１１……電流方向表示の表示ケース
、１２……表示器駆動回路、１３……電流方向表
示回路、１４，１６，１９，２１……検出コイル
出力電圧波形、１５，１７，２０，２２……ツエ
ナーダイオード後の電圧波形、１８，２３……電
流方向表示回路入力波形。
FIG. 1 is a diagram showing an example of the principle of the present invention. FIG. 2 is a block diagram of the detector of the present invention. FIG. 3 is an output voltage waveform diagram from the detection coil. 1... Overhead ground wire, 2, 3, 4, 5... Steel tower, 6
, 7... Rogowski coil, detection coil such as a current transformer, 8, 9... Zener diode, 10... Earth fault fault current, 11... Display case for current direction display, 12... Display drive circuit, 13... Current direction display circuit, 14, 16, 19, 21... Detection coil output voltage waveform, 15, 17, 20, 22... Voltage waveform after Zener diode, 18, 23... Current direction display circuit input waveform .
Claims (1)
鉄塔等の電流経路が分岐する個所の分岐点をはさ
んで、２つの分岐経路に２個のロゴスキーコイル
もしくは変流器を取り付ける。その出力端子をツ
エナーダイオードで短絡し、出力電圧がすべて定
電圧となるようにして、それぞれの出力端子の電
圧を加え合わせるように接続する。その加え合わ
せた出力電圧で表示部を動作させることを特徴と
する電流方向検出器。 (2) 上記検出器であつてツエナーダイオードの
かわりに過飽和コイル等を用いて定電圧を出力さ
せるようにした電流方向検出器。 (3) 上記検出器であつて分岐経路数にあわせて
ロゴスキーコイル、もしくは変流器の数を増やし
た当該電流方向検出器。[Scope of Claim for Utility Model Registration] (1) Two logos on two branch routes across the branch point of a current route such as an overhead ground wire of a power transmission/distribution line or a steel tower that is a support structure. Install a ski coil or current transformer. Short-circuit the output terminals with a Zener diode so that all output voltages are constant, and connect them so that the voltages of each output terminal are added together. A current direction detector characterized in that a display section is operated by the added output voltage. (2) A current direction detector that uses a supersaturated coil or the like instead of a Zener diode to output a constant voltage. (3) A current direction detector which is the above detector and has the number of Rogowski coils or current transformers increased according to the number of branch paths.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8429589U JPH0323372U (en) | 1989-07-18 | 1989-07-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8429589U JPH0323372U (en) | 1989-07-18 | 1989-07-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0323372U true JPH0323372U (en) | 1991-03-11 |
Family
ID=31632664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8429589U Pending JPH0323372U (en) | 1989-07-18 | 1989-07-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0323372U (en) |
-
1989
- 1989-07-18 JP JP8429589U patent/JPH0323372U/ja active Pending
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