JPS6041867U - Zero phase current detector - Google Patents
Zero phase current detectorInfo
- Publication number
- JPS6041867U JPS6041867U JP13335583U JP13335583U JPS6041867U JP S6041867 U JPS6041867 U JP S6041867U JP 13335583 U JP13335583 U JP 13335583U JP 13335583 U JP13335583 U JP 13335583U JP S6041867 U JPS6041867 U JP S6041867U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic sensor
- line
- zero
- magnetic
- power line
- 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
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Emergency Protection Circuit 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２回線鉄塔の場合の本考案による検出器の実施
例を示す説明図、２第２図は放射状２回線の零相電流の
分布を示す説明図、第３図は並行２回線の零相電流の分
布を示す説明図、第４図は１回線３角配列の場合の検出
器の配置を示す説明図、第５図は１回線の対称配線の場
合の検出器の配置を示す説明図である。
Ａ、 Ｂ、 Ｃ，Ｒ，Ｓ、 Ｔ：電線、Ｇ：架空地線、
Ｋ＝ Ｋｔｔ Ｋ２ ：磁気センサ、Ｄ、Ｄ□、Ｄ２：
鉄心、ｕ、Ｖ、Ｗ：コイル、１０：送電端、２０．３０
：受電端、Ｐ：事故点。Fig. 1 is an explanatory diagram showing an embodiment of the detector according to the present invention in the case of a two-circuit steel tower, Fig. 2 is an explanatory diagram showing the zero-sequence current distribution of two radial lines, and Fig. 3 is an explanatory diagram showing the distribution of zero-sequence current of two radial lines. An explanatory diagram showing the distribution of zero-sequence current, Fig. 4 is an explanatory diagram showing the arrangement of the detector in the case of a single circuit triangular arrangement, and Fig. 5 is an explanatory diagram showing the arrangement of the detector in the case of a single circuit symmetrical wiring. It is a diagram. A, B, C, R, S, T: Electric wire, G: Overhead ground wire,
K= Ktt K2: Magnetic sensor, D, D□, D2:
Iron core, u, V, W: coil, 10: power transmission end, 20.30
: Power receiving end, P: Fault point.
Claims (1)
磁路を形成するための細長い鉄心の中央部にコイルを配
設した磁気センサを、３相交流の送電線の各相電力線の
位置を結んで得られる多角形の外側に、且つ電力線と直
角であって磁気センサの長手方向が水平になるように、
しかも各相電力線の加圧電圧に十分耐える間隔を置いて
設置し、且つ電力線からの電磁誘導による前記磁気セン
サの出力電圧が常時は零又は微少となるように鉄心の長
さ、断面積、コイルの巻数等の磁気センサの定数ならび
にその位置を設定したことを特徴とする零相電流検出器
。 ２ 電線配置が左右対称となる同数回線の送電線の場合
は、磁気センサを左右の対称電線の中心線上に配置した
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
零相電流検出器。[Claims for Utility Model Registration] 1. A magnetic sensor with a coil arranged in the center of a long and thin iron core to form a magnetic path to detect the magnetic field generated by the current flowing through the power transmission line, is installed on a three-phase AC power transmission line. Outside the polygon obtained by connecting the positions of each phase power line, and at right angles to the power line, so that the longitudinal direction of the magnetic sensor is horizontal.
In addition, the length, cross-sectional area, and coil of the iron core should be adjusted so that the magnetic sensors are installed at sufficient intervals to withstand the pressurized voltage of each phase power line, and the output voltage of the magnetic sensor due to electromagnetic induction from the power line is always zero or very small. A zero-sequence current detector characterized in that constants of a magnetic sensor such as the number of turns and its position are set. 2. In the case of a power transmission line with the same number of circuits in which the wire arrangement is symmetrical, the zero-sequence current detection according to claim 1 of the utility model registration claim is characterized in that the magnetic sensor is arranged on the center line of the symmetrical wires. vessel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13335583U JPS6041867U (en) | 1983-08-29 | 1983-08-29 | Zero phase current detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13335583U JPS6041867U (en) | 1983-08-29 | 1983-08-29 | Zero phase current detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6041867U true JPS6041867U (en) | 1985-03-25 |
| JPH0424455Y2 JPH0424455Y2 (en) | 1992-06-09 |
Family
ID=30300850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13335583U Granted JPS6041867U (en) | 1983-08-29 | 1983-08-29 | Zero phase current detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6041867U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5796272A (en) * | 1980-12-08 | 1982-06-15 | Nishimu Denshi Kogyo Kk | Zero phase current detection |
-
1983
- 1983-08-29 JP JP13335583U patent/JPS6041867U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5796272A (en) * | 1980-12-08 | 1982-06-15 | Nishimu Denshi Kogyo Kk | Zero phase current detection |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0424455Y2 (en) | 1992-06-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3312898A (en) | Polyphase current measuring device using several signal detectors each positioned to respond to only one phase current magnetic field | |
| JPS61245511A (en) | Dc and ac current transformer | |
| Ibrahim et al. | A proposed non-invasive Rogowski coil design for measuring 3-phase currents through a 3-core cable | |
| JP2018031672A (en) | Power measurement system, power measurement sub-system, and determination method | |
| JPS6041867U (en) | Zero phase current detector | |
| JP2747402B2 (en) | Transmission line monitoring sensor | |
| JPS6257229B2 (en) | ||
| JPH028530B2 (en) | ||
| JP2684925B2 (en) | A method for obtaining voltage phase information of power cable lines | |
| CN213275740U (en) | Flexible current sensor with multiple characteristic quantity measurement | |
| SU991541A2 (en) | Magnetosensitive element for starting remote relay protection system | |
| WO1996027802A2 (en) | Measuring device for measuring a current flowing in the overhead wires of a medium-voltage line | |
| SU1084921A1 (en) | Transducer of zero sequence parameters for three-phase power network | |
| JPH08152448A (en) | Zero-phase-current measuring circuit of three-phase alternating current | |
| SU1744752A1 (en) | Device for protection of three-phase load against emergency operation | |
| JPS5939774Y2 (en) | water cooled cable current detector | |
| JPS5515032A (en) | Non-contact displacement measuring unit | |
| SU1030746A1 (en) | Zero sequence current filter for three-phase aerial power line | |
| SU998155A1 (en) | Power receiver for electric locomotive with contcact-free receiving of power | |
| JPS5822822U (en) | Neutral point potential moving signal wave superimposition type insulation monitoring device | |
| JPS5994805A (en) | Superconductive magnet | |
| JPH03170881A (en) | Locating method for accident point of underground line | |
| SU720610A1 (en) | Device for protecting transformer against single-phase short circuit | |
| JP3528544B2 (en) | Method of locating insulation breakdown of power cable line | |
| JPH028531B2 (en) |