JPH0517772B2 - - Google Patents
Info
- Publication number
- JPH0517772B2 JPH0517772B2 JP5190783A JP5190783A JPH0517772B2 JP H0517772 B2 JPH0517772 B2 JP H0517772B2 JP 5190783 A JP5190783 A JP 5190783A JP 5190783 A JP5190783 A JP 5190783A JP H0517772 B2 JPH0517772 B2 JP H0517772B2
- Authority
- JP
- Japan
- Prior art keywords
- ground fault
- phase
- current
- line
- 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 - Lifetime
Links
- 238000001514 detection method Methods 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 17
- 230000007717 exclusion Effects 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 11
- 230000006698 induction Effects 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 8
- 239000004020 conductor Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5190783A JPS59178921A (ja) | 1983-03-28 | 1983-03-28 | 共架多回線系統用地絡回線選択継電器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5190783A JPS59178921A (ja) | 1983-03-28 | 1983-03-28 | 共架多回線系統用地絡回線選択継電器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59178921A JPS59178921A (ja) | 1984-10-11 |
| JPH0517772B2 true JPH0517772B2 (en]) | 1993-03-10 |
Family
ID=12899943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5190783A Granted JPS59178921A (ja) | 1983-03-28 | 1983-03-28 | 共架多回線系統用地絡回線選択継電器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59178921A (en]) |
-
1983
- 1983-03-28 JP JP5190783A patent/JPS59178921A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59178921A (ja) | 1984-10-11 |
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