JPS53141444A - Phase comparison protective relay - Google Patents
Phase comparison protective relayInfo
- Publication number
- JPS53141444A JPS53141444A JP5541777A JP5541777A JPS53141444A JP S53141444 A JPS53141444 A JP S53141444A JP 5541777 A JP5541777 A JP 5541777A JP 5541777 A JP5541777 A JP 5541777A JP S53141444 A JPS53141444 A JP S53141444A
- Authority
- JP
- Japan
- Prior art keywords
- phase comparison
- power source
- source end
- protective relay
- variable power
- 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
PURPOSE: To prevent an operation of unnecessary disconnection at a generation of external fault when the line is charged from a variable power source end, by selecting a phase comparison relay for variable power source end to power source end, if detected to be a line charge made from the variable power source end.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5541777A JPS53141444A (en) | 1977-05-16 | 1977-05-16 | Phase comparison protective relay |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5541777A JPS53141444A (en) | 1977-05-16 | 1977-05-16 | Phase comparison protective relay |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS53141444A true JPS53141444A (en) | 1978-12-09 |
Family
ID=12997989
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5541777A Pending JPS53141444A (en) | 1977-05-16 | 1977-05-16 | Phase comparison protective relay |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53141444A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5878734U (en) * | 1981-11-19 | 1983-05-27 | 三菱電機株式会社 | phase comparison relay |
-
1977
- 1977-05-16 JP JP5541777A patent/JPS53141444A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5878734U (en) * | 1981-11-19 | 1983-05-27 | 三菱電機株式会社 | phase comparison relay |
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