JPS51134850A - D.c. earth protective relay - Google Patents
D.c. earth protective relayInfo
- Publication number
- JPS51134850A JPS51134850A JP5862475A JP5862475A JPS51134850A JP S51134850 A JPS51134850 A JP S51134850A JP 5862475 A JP5862475 A JP 5862475A JP 5862475 A JP5862475 A JP 5862475A JP S51134850 A JPS51134850 A JP S51134850A
- Authority
- JP
- Japan
- Prior art keywords
- protective relay
- earth protective
- earth
- detecting
- applying
- 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: Easily detecting earth branching line by applying and detecting of A.C. signal when the earth fault may be caused in a circuit including plural control circuits branched therein.
COPYRIGHT: (C)1976,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5862475A JPS51134850A (en) | 1975-05-19 | 1975-05-19 | D.c. earth protective relay |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5862475A JPS51134850A (en) | 1975-05-19 | 1975-05-19 | D.c. earth protective relay |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS51134850A true JPS51134850A (en) | 1976-11-22 |
Family
ID=13089720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5862475A Pending JPS51134850A (en) | 1975-05-19 | 1975-05-19 | D.c. earth protective relay |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS51134850A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5953014A (en) * | 1982-09-20 | 1984-03-27 | 東レ株式会社 | Dc ground-fault protecting relay |
JP2011182536A (en) * | 2010-02-27 | 2011-09-15 | Chugoku Electric Power Co Inc:The | Dc ground fault detecting relay |
JP2011180053A (en) * | 2010-03-03 | 2011-09-15 | Tokyo Electric Power Co Inc:The | Dc accident point inspection device |
-
1975
- 1975-05-19 JP JP5862475A patent/JPS51134850A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5953014A (en) * | 1982-09-20 | 1984-03-27 | 東レ株式会社 | Dc ground-fault protecting relay |
JP2011182536A (en) * | 2010-02-27 | 2011-09-15 | Chugoku Electric Power Co Inc:The | Dc ground fault detecting relay |
JP2011180053A (en) * | 2010-03-03 | 2011-09-15 | Tokyo Electric Power Co Inc:The | Dc accident point inspection device |
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