JPS638690B2 - - Google Patents
Info
- Publication number
- JPS638690B2 JPS638690B2 JP3957579A JP3957579A JPS638690B2 JP S638690 B2 JPS638690 B2 JP S638690B2 JP 3957579 A JP3957579 A JP 3957579A JP 3957579 A JP3957579 A JP 3957579A JP S638690 B2 JPS638690 B2 JP S638690B2
- Authority
- JP
- Japan
- Prior art keywords
- current
- phase
- line
- ground fault
- 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.)
- Expired
Links
- 238000001514 detection method Methods 0.000 claims description 11
- 238000004364 calculation method Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 description 14
- 238000005070 sampling Methods 0.000 description 7
- 230000006698 induction Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000007257 malfunction Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3957579A JPS55131227A (en) | 1979-04-02 | 1979-04-02 | Commonly mounted multiicircuit grounddfault protection relay |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3957579A JPS55131227A (en) | 1979-04-02 | 1979-04-02 | Commonly mounted multiicircuit grounddfault protection relay |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55131227A JPS55131227A (en) | 1980-10-11 |
JPS638690B2 true JPS638690B2 (enrdf_load_stackoverflow) | 1988-02-24 |
Family
ID=12556868
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3957579A Granted JPS55131227A (en) | 1979-04-02 | 1979-04-02 | Commonly mounted multiicircuit grounddfault protection relay |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55131227A (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57116535A (en) * | 1981-01-13 | 1982-07-20 | Tokyo Shibaura Electric Co | Digital channel selection repeating device |
-
1979
- 1979-04-02 JP JP3957579A patent/JPS55131227A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS55131227A (en) | 1980-10-11 |
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