JPS6188439U - - Google Patents
Info
- Publication number
- JPS6188439U JPS6188439U JP17204684U JP17204684U JPS6188439U JP S6188439 U JPS6188439 U JP S6188439U JP 17204684 U JP17204684 U JP 17204684U JP 17204684 U JP17204684 U JP 17204684U JP S6188439 U JPS6188439 U JP S6188439U
- Authority
- JP
- Japan
- Prior art keywords
- zero
- phase current
- branch line
- current transformer
- maximum output
- 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
- 238000010586 diagram Methods 0.000 description 3
Description
第1図は本考案の一実施例の系統図、第2図は
同実施例における地絡継電器DGR内の論理判定
回路を示すブロツク図、第3図は従来例の系統図
である。
FIG. 1 is a system diagram of an embodiment of the present invention, FIG. 2 is a block diagram showing a logic determination circuit in a ground fault relay DGR in the same embodiment, and FIG. 3 is a system diagram of a conventional example.
Claims (1)
し、負荷側の各分岐線にも夫々第2の零相変流器
を設置し、上記各零相変流器の出力を整流直流化
する整流回路とこれらの整流出力から最大のもの
を検索する論理回路を備え、各分岐線における第
2の零相変流器に対応する整流器の一つが最大出
力を与えたときは、その分岐線に設けられたしや
断器を作動させるようにした地絡方向継電器。 A first zero-phase current transformer is installed on the power supply side of the high-voltage receiving end, and a second zero-phase current transformer is also installed on each branch line on the load side, and the output of each of the above zero-phase current transformers is It is equipped with a rectifier circuit that converts rectification into direct current and a logic circuit that searches for the maximum output from these rectified outputs, and when one of the rectifiers corresponding to the second zero-phase current transformer in each branch line gives the maximum output, A ground-fault directional relay that activates a breakout switch installed on the branch line.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17204684U JPS6188439U (en) | 1984-11-13 | 1984-11-13 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17204684U JPS6188439U (en) | 1984-11-13 | 1984-11-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6188439U true JPS6188439U (en) | 1986-06-09 |
Family
ID=30729716
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17204684U Pending JPS6188439U (en) | 1984-11-13 | 1984-11-13 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6188439U (en) |
-
1984
- 1984-11-13 JP JP17204684U patent/JPS6188439U/ja active Pending