JPS5313148A - Protective relay - Google Patents
Protective relayInfo
- Publication number
- JPS5313148A JPS5313148A JP8658976A JP8658976A JPS5313148A JP S5313148 A JPS5313148 A JP S5313148A JP 8658976 A JP8658976 A JP 8658976A JP 8658976 A JP8658976 A JP 8658976A JP S5313148 A JPS5313148 A JP S5313148A
- Authority
- JP
- Japan
- Prior art keywords
- protective relay
- failure
- intermittent
- grounding
- relay
- 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 obtain grounding relay which functions for intermittent failure with random pause even when failure duration is short thus to detect intermittent grounding failure reliably.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8658976A JPS5313148A (en) | 1976-07-22 | 1976-07-22 | Protective relay |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8658976A JPS5313148A (en) | 1976-07-22 | 1976-07-22 | Protective relay |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5313148A true JPS5313148A (en) | 1978-02-06 |
Family
ID=13891185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8658976A Pending JPS5313148A (en) | 1976-07-22 | 1976-07-22 | Protective relay |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5313148A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55157747U (en) * | 1979-04-28 | 1980-11-13 | ||
JPH0919045A (en) * | 1995-06-30 | 1997-01-17 | Naigai Denki Kk | Degradation prediction method of cable and cable initial ground relay |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5033440A (en) * | 1973-08-03 | 1975-03-31 |
-
1976
- 1976-07-22 JP JP8658976A patent/JPS5313148A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5033440A (en) * | 1973-08-03 | 1975-03-31 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55157747U (en) * | 1979-04-28 | 1980-11-13 | ||
JPH0210435Y2 (en) * | 1979-04-28 | 1990-03-15 | ||
JPH0919045A (en) * | 1995-06-30 | 1997-01-17 | Naigai Denki Kk | Degradation prediction method of cable and cable initial ground relay |
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