JPS6093447U - DC filter failure detection device for DC power transmission - Google Patents
DC filter failure detection device for DC power transmissionInfo
- Publication number
- JPS6093447U JPS6093447U JP18513983U JP18513983U JPS6093447U JP S6093447 U JPS6093447 U JP S6093447U JP 18513983 U JP18513983 U JP 18513983U JP 18513983 U JP18513983 U JP 18513983U JP S6093447 U JPS6093447 U JP S6093447U
- Authority
- JP
- Japan
- Prior art keywords
- current
- voltage
- power transmission
- current transformer
- branch 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.)
- Pending
Links
Landscapes
- Protection Of Static 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図は従来の電気回路図、第２図はこの考案の一実施
例の電気回路図、第３図、第４図はタイムチャートであ
る。
３・・・直流送電線路、６・・・直流フィルタ用コンデ
ンサ、９・・・サージ吸収用コンデンサ、１０・・・第
１ ”の分岐線路、１１・・・第２の分岐線路、
１２・・・第１の変流器、１３・・・第２の変流器、１
５・・・第１の電流／電圧変換回路、１６・・・第２の
電流／電圧変換回路、２０・・・合成回路、２４・・・
警報回路、Ａ・・・接続点。、FIG. 1 is a conventional electric circuit diagram, FIG. 2 is an electric circuit diagram of an embodiment of this invention, and FIGS. 3 and 4 are time charts. 3... DC transmission line, 6... DC filter capacitor, 9... Surge absorption capacitor, 10... 1st branch line, 11... 2nd branch line,
12...first current transformer, 13...second current transformer, 1
5...First current/voltage conversion circuit, 16...Second current/voltage conversion circuit, 20...Composition circuit, 24...
Alarm circuit, A... connection point. ,
Claims (1)
ルタ用コンデンサと、前記第１の分岐線路において前記
コンデンサよりも前記送電線路側の位置からさらに分岐
した第２の分岐線路に介挿したサージ吸収用コンデンサ
と、前記第１の分岐線路において前記第１、第２の分岐
線路の接続点を境としてその両側に介挿した第１の変流
器および第２の変流器と、前記第１の変流器の検出電流
を電圧に変換する第１の電流／電圧変換回路と、前記第
２の変流器の検出電流を前記第１の変流器の検出電流と
は正負逆転して電圧に変換する第２の電流／電圧変換回
路と、これら第１および第２の電流／電圧変換回路の各
出力電圧を合成する回路と、この合成回路の出力側に接
続した警報回路とを備えた直流送電用直流フィルタ故障
検出装置。A DC filter capacitor inserted in a first branch line from the DC transmission line, and a second branch line further branched from a position closer to the power transmission line than the capacitor in the first branch line. a surge absorption capacitor; a first current transformer and a second current transformer inserted on both sides of the first branch line with a connection point between the first and second branch lines as a boundary; A first current/voltage conversion circuit that converts the detected current of the first current transformer into a voltage, and the detected current of the second current transformer has a polarity reversed with respect to the detected current of the first current transformer. a second current/voltage conversion circuit that converts the voltage into a voltage; a circuit that synthesizes each output voltage of the first and second current/voltage conversion circuits; and an alarm circuit connected to the output side of this synthesis circuit. DC filter failure detection device for DC power transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18513983U JPS6093447U (en) | 1983-11-30 | 1983-11-30 | DC filter failure detection device for DC power transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18513983U JPS6093447U (en) | 1983-11-30 | 1983-11-30 | DC filter failure detection device for DC power transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6093447U true JPS6093447U (en) | 1985-06-26 |
Family
ID=30400243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18513983U Pending JPS6093447U (en) | 1983-11-30 | 1983-11-30 | DC filter failure detection device for DC power transmission |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6093447U (en) |
-
1983
- 1983-11-30 JP JP18513983U patent/JPS6093447U/en active Pending
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