JPS603479U

JPS603479U - Transmission line fault detection device

Info

Publication number: JPS603479U
Application number: JP9524883U
Authority: JP
Inventors: 佐々木　紳哉
Original assignee: 東北電力株式会社
Priority date: 1983-06-21
Filing date: 1983-06-21
Publication date: 1985-01-11

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

[Brief explanation of drawings]

第１図はこの考案に係わる送電線障害箇所検出装置の一
実施例を示す構成図、第２図ａ、　　ｂはそれぞれ検出
パルス信号を示す波形図、第３図、第４図はそれぞれ第
１図の動作を説明するために示す波形図である。１２・・・同期パルス発生回路、１３・・・トリガー回
路、１４．１５・・・第１．第２のパルス発生器、１６
．１７・・・スイッチ、１８・・・結合器、２１・・・
波形整形回路、２２・・・シンクロスコープ、２３・・
・スケール発生回路、２４・・・ゲート回路、２５〜２
８・・・距離設定スイッチ、３０・・・カウンタ、３１
・・・トリガー発生回路、Ｒ，Ｓ、　Ｔ・・・送電線。（□ Ｓ〜□−− ′°」１，９−一賃一賢１斗・（４− 「−２ｉ４　Ｌゴ翌 □１１Fig. 1 is a block diagram showing an embodiment of the power transmission line fault detection device according to this invention, Figs. 2 a and b are waveform diagrams showing detection pulse signals, and Figs. FIG. 3 is a waveform diagram shown for explaining the operation of the diagram. 12... Synchronization pulse generation circuit, 13... Trigger circuit, 14.15... 1st. second pulse generator, 16
．． 17...Switch, 18...Coupler, 21...
Waveform shaping circuit, 22... Synchronoscope, 23...
・Scale generation circuit, 24...gate circuit, 25-2
8... Distance setting switch, 30... Counter, 31
...Trigger generation circuit, R, S, T...power transmission line. (□ S〜□−- ′°” 1,9-Ichigo Ichiken 1to・(4- “-2i4 Lgo next day □11

Claims

[Scope of utility model registration request]

means for generating a synchronization signal consisting of a predetermined repetitive signal;
first and second pulse generators that repeatedly output detection pulse signals having different pulse widths in accordance with the synchronization signal; means for selectively extracting the detection pulse signals output from these pulse generators; means for supplying the detected pulse signal to the faulty line; means for shaping the waveforms of the supplied detection pulse signal and the reflected pulse signal reflected from the faulty line; means for selectively setting a display starting point of the scale signal; means for controlling transmission of the scale signal according to the set starting point; and means for controlling the transmission of the scale signal according to the set starting point; The device includes means for generating a display trigger signal, and means for displaying the detected pulse signal and reflected pulse signal whose waveforms have been shaped according to the trigger signal, and the scale signal output from the delay means on the same screen. A power transmission line fault detection device characterized by: