JPH0410533U - - Google Patents
Info
- Publication number
- JPH0410533U JPH0410533U JP4917990U JP4917990U JPH0410533U JP H0410533 U JPH0410533 U JP H0410533U JP 4917990 U JP4917990 U JP 4917990U JP 4917990 U JP4917990 U JP 4917990U JP H0410533 U JPH0410533 U JP H0410533U
- Authority
- JP
- Japan
- Prior art keywords
- ratio differential
- power transmission
- transmission line
- cts
- relay device
- 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
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 239000013307 optical fiber Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 1
Description
第１図はこの考案の一実施例による送電線保護
用比率差動継電装置の構成図、第２図は従来の送
電線保護用比率差動継電装置（表示線継電装置）
の構成図である。
図に於いて１は送電線、２Ａ，２ＢはＣＴ、４
Ａ，４Ｂは電流、光変換合成装置、５は光フアイ
バーである。尚図中、同一符号は同一、または相
当部分を示す。
Fig. 1 is a configuration diagram of a ratio differential relay device for power transmission line protection according to an embodiment of this invention, and Fig. 2 is a conventional ratio differential relay device for power transmission line protection (display line relay device).
FIG. In the diagram, 1 is the power transmission line, 2A and 2B are CT, and 4
A and 4B are electric currents, a light conversion/synthesizing device, and 5 is an optical fiber. In the drawings, the same reference numerals indicate the same or corresponding parts.
Claims (1)
、前記第１及び第２のＣＴの２次回路にそれぞれ
接続された第１及び第２の比率差動継電器、及び
前記第１及び第２の比率差動継電器とそれぞれ接
続された互いに光フアイバーで接続された第１及
び第２の電流・光変換合成装置を備えた送電線保
護用比率差動継電装置。 First and second CTs installed at both ends of the power transmission line
, first and second ratio differential relays connected to the secondary circuits of the first and second CTs, respectively, and mutually connected to the first and second ratio differential relays through optical fibers. A ratio differential relay device for power transmission line protection comprising first and second current/light conversion/synthesizers connected together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4917990U JPH0410533U (en) | 1990-05-10 | 1990-05-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4917990U JPH0410533U (en) | 1990-05-10 | 1990-05-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0410533U true JPH0410533U (en) | 1992-01-29 |
Family
ID=31566649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4917990U Pending JPH0410533U (en) | 1990-05-10 | 1990-05-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0410533U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004304915A (en) * | 2003-03-31 | 2004-10-28 | Tm T & D Kk | Differential protective relay system |
-
1990
- 1990-05-10 JP JP4917990U patent/JPH0410533U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004304915A (en) * | 2003-03-31 | 2004-10-28 | Tm T & D Kk | Differential protective relay system |