JPS5956929U - Disconnection failure detection device for DC power transmission lines - Google Patents
Disconnection failure detection device for DC power transmission linesInfo
- 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
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
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)
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.
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) |
-
1982
- 1982-10-05 JP JP15234882U patent/JPS5956929U/en active Pending
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