JPS5956929U - Disconnection failure detection device for DC power transmission lines - Google Patents

Disconnection failure detection device for DC power transmission lines

Info

Publication number
JPS5956929U
JPS5956929U JP15234882U JP15234882U JPS5956929U JP S5956929 U JPS5956929 U JP S5956929U JP 15234882 U JP15234882 U JP 15234882U JP 15234882 U JP15234882 U JP 15234882U JP S5956929 U JPS5956929 U JP S5956929U
Authority
JP
Japan
Prior art keywords
detection device
power transmission
disconnection failure
failure detection
transmission lines
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
Application number
JP15234882U
Other languages
Japanese (ja)
Inventor
金子 精二
後藤 輝雄
Original Assignee
三菱電機株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP15234882U priority Critical patent/JPS5956929U/en
Publication of JPS5956929U publication Critical patent/JPS5956929U/en
Pending legal-status Critical Current

Links

Landscapes

  • 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

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は直流送電系統の電圧・電流レギュレーション特
性を示す図、第2図はこの考案による直流送電線路の断
線故障検出装置の実施例のブロック図、第3図及び第4
図は上記実施例における各要部の出力特性を示すタイム
チャートである。 図において、2・・・直流送電線路、5A、  5B・
・・直流変流器、5A、  5B・・・直流変圧器、7
A、  7B・・・割算器、8A、8B・・・比較器、
9A、  9B・・・ゲート素子。なお、図中、同一符
号は同−又は相当部分を示す。 −第2図   − 第4図
Fig. 1 is a diagram showing the voltage/current regulation characteristics of a DC transmission system, Fig. 2 is a block diagram of an embodiment of the disconnection fault detection device for a DC transmission line according to this invention, and Figs.
The figure is a time chart showing the output characteristics of each main part in the above embodiment. In the figure, 2...DC transmission line, 5A, 5B.
...DC transformer, 5A, 5B...DC transformer, 7
A, 7B...Divider, 8A, 8B...Comparator,
9A, 9B...Gate element. In addition, in the figures, the same reference numerals indicate the same or corresponding parts. -Figure 2 -Figure 4

Claims (1)

【実用新案登録請求の範囲】 一(1)直流送電線路の線路端から取出された直流電圧
と直流電流の比の絶対値を演算する割算器、該割算器の
出力が導かれ、該出力の値が規定値を超えた場合に出力
する比較器を有することを1 特徴とする直流送電線路
の断線故障検出装置。 (2)比較器の出力が、系統運転中であることをゲート
条件とするゲート素子を介して取出されることを特徴と
する実用新案登録請求の範囲第1項記載の直流送電線路
の断線故障検出装置。
[Claims for Utility Model Registration] 1. (1) A divider for calculating the absolute value of the ratio of the DC voltage and the DC current taken out from the end of the DC transmission line; 1. A disconnection failure detection device for a DC power transmission line, comprising: a comparator that outputs an output when an output value exceeds a specified value. (2) Disconnection failure of the DC power transmission line according to claim 1 of the utility model registration claim, characterized in that the output of the comparator is taken out through a gate element whose gate condition is that the system is in operation. Detection device.
JP15234882U 1982-10-05 1982-10-05 Disconnection failure detection device for DC power transmission lines Pending JPS5956929U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15234882U JPS5956929U (en) 1982-10-05 1982-10-05 Disconnection failure detection device for DC power transmission lines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15234882U JPS5956929U (en) 1982-10-05 1982-10-05 Disconnection failure detection device for DC power transmission lines

Publications (1)

Publication Number Publication Date
JPS5956929U true JPS5956929U (en) 1984-04-13

Family

ID=30337350

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15234882U Pending JPS5956929U (en) 1982-10-05 1982-10-05 Disconnection failure detection device for DC power transmission lines

Country Status (1)

Country Link
JP (1) JPS5956929U (en)

Similar Documents

Publication Publication Date Title
JPS5956929U (en) Disconnection failure detection device for DC power transmission lines
JPS6093447U (en) DC filter failure detection device for DC power transmission
JPS5811930U (en) current limiting device
JPS59161349U (en) Shunt reactor device
JPS6082943U (en) Emergency power supply device
JPS5843129U (en) Capacitor control device at AC/DC converter station
JPS5944133U (en) Abnormal current detection device
JPS6089745U (en) DC power circuit
JPS5950599U (en) Synchronous generator with automatic voltage regulator
JPS58179848U (en) DC power transmission control device
JPS58159845U (en) Power transmission stop control device
JPS5927474U (en) Electricity detection circuit
JPS6069545U (en) Power switching device
JPS5863891U (en) Overcurrent protection circuit
JPS60100819U (en) Control power circuit
JPS5822048U (en) Frequency drop protection device
JPS5856536U (en) Protective relay inspection device
JPS6089786U (en) switching power supply
JPS59169543U (en) overcurrent relay
JPS6048335U (en) Power receiving and distribution equipment
JPS5953633U (en) Neutral line failure detection device for DC transmission system
JPS60114534U (en) network power distribution equipment
JPS60114535U (en) network power distribution equipment
JPS60190134U (en) overcurrent detector
JPS58645U (en) power circuit