JPS5248033A - Bus bar protection relay device - Google Patents
Bus bar protection relay deviceInfo
- Publication number
- JPS5248033A JPS5248033A JP12342475A JP12342475A JPS5248033A JP S5248033 A JPS5248033 A JP S5248033A JP 12342475 A JP12342475 A JP 12342475A JP 12342475 A JP12342475 A JP 12342475A JP S5248033 A JPS5248033 A JP S5248033A
- Authority
- JP
- Japan
- Prior art keywords
- bus bar
- relay device
- protection relay
- bar protection
- zero
- 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 avoid the reduction in relay sensitivity even in a power system with a high invalid current component by the provision of a phase comparison means for zero-phase current and zero-phase voltage.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12342475A JPS5248033A (en) | 1975-10-14 | 1975-10-14 | Bus bar protection relay device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12342475A JPS5248033A (en) | 1975-10-14 | 1975-10-14 | Bus bar protection relay device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5248033A true JPS5248033A (en) | 1977-04-16 |
Family
ID=14860204
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12342475A Pending JPS5248033A (en) | 1975-10-14 | 1975-10-14 | Bus bar protection relay device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5248033A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4251846A (en) * | 1978-05-12 | 1981-02-17 | National Research Development Corporation | Apparatus for sensing short circuit faults in alternating current supply lines |
US4296451A (en) * | 1979-10-11 | 1981-10-20 | General Electric Company | Ultra high speed protective relay circuit |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5037832B1 (en) * | 1971-04-30 | 1975-12-05 |
-
1975
- 1975-10-14 JP JP12342475A patent/JPS5248033A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5037832B1 (en) * | 1971-04-30 | 1975-12-05 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4251846A (en) * | 1978-05-12 | 1981-02-17 | National Research Development Corporation | Apparatus for sensing short circuit faults in alternating current supply lines |
US4296451A (en) * | 1979-10-11 | 1981-10-20 | General Electric Company | Ultra high speed protective relay circuit |
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