JPS57186923A - Digital type simple bus protective relay unit - Google Patents
Digital type simple bus protective relay unitInfo
- Publication number
- JPS57186923A JPS57186923A JP56072552A JP7255281A JPS57186923A JP S57186923 A JPS57186923 A JP S57186923A JP 56072552 A JP56072552 A JP 56072552A JP 7255281 A JP7255281 A JP 7255281A JP S57186923 A JPS57186923 A JP S57186923A
- Authority
- JP
- Japan
- Prior art keywords
- relay unit
- protective relay
- digital type
- type simple
- simple bus
- 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.)
- Granted
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56072552A JPS57186923A (en) | 1981-05-12 | 1981-05-12 | Digital type simple bus protective relay unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56072552A JPS57186923A (en) | 1981-05-12 | 1981-05-12 | Digital type simple bus protective relay unit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57186923A true JPS57186923A (en) | 1982-11-17 |
JPH0247169B2 JPH0247169B2 (en) | 1990-10-18 |
Family
ID=13492631
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56072552A Granted JPS57186923A (en) | 1981-05-12 | 1981-05-12 | Digital type simple bus protective relay unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57186923A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63316610A (en) * | 1987-06-19 | 1988-12-23 | Meidensha Electric Mfg Co Ltd | Differential relay device |
JPH01255434A (en) * | 1988-04-01 | 1989-10-12 | Hitachi Cable Ltd | Device for determination of branched transmission line trouble direction |
JPH04289720A (en) * | 1991-03-06 | 1992-10-14 | Mitsubishi Electric Corp | Bus protective relay |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54148250A (en) * | 1978-05-12 | 1979-11-20 | Tokyo Electric Power Co Inc:The | Digital protective relay system for bus |
-
1981
- 1981-05-12 JP JP56072552A patent/JPS57186923A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54148250A (en) * | 1978-05-12 | 1979-11-20 | Tokyo Electric Power Co Inc:The | Digital protective relay system for bus |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63316610A (en) * | 1987-06-19 | 1988-12-23 | Meidensha Electric Mfg Co Ltd | Differential relay device |
JPH01255434A (en) * | 1988-04-01 | 1989-10-12 | Hitachi Cable Ltd | Device for determination of branched transmission line trouble direction |
JPH04289720A (en) * | 1991-03-06 | 1992-10-14 | Mitsubishi Electric Corp | Bus protective relay |
Also Published As
Publication number | Publication date |
---|---|
JPH0247169B2 (en) | 1990-10-18 |
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