JPH066673Y2 - 単３中性線欠相保護付漏電ブレ−カ - Google Patents
単３中性線欠相保護付漏電ブレ−カInfo
- Publication number
- JPH066673Y2 JPH066673Y2 JP1987039481U JP3948187U JPH066673Y2 JP H066673 Y2 JPH066673 Y2 JP H066673Y2 JP 1987039481 U JP1987039481 U JP 1987039481U JP 3948187 U JP3948187 U JP 3948187U JP H066673 Y2 JPH066673 Y2 JP H066673Y2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- contact
- open
- test
- detection circuit
- 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
- 230000007935 neutral effect Effects 0.000 title claims description 33
- 238000012360 testing method Methods 0.000 claims description 54
- 238000001514 detection method Methods 0.000 claims description 45
- 230000002159 abnormal effect Effects 0.000 claims description 36
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 7
- 230000005856 abnormality Effects 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims description 2
- 238000012790 confirmation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 11
- 238000009413 insulation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987039481U JPH066673Y2 (ja) | 1987-03-18 | 1987-03-18 | 単３中性線欠相保護付漏電ブレ−カ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987039481U JPH066673Y2 (ja) | 1987-03-18 | 1987-03-18 | 単３中性線欠相保護付漏電ブレ−カ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63149146U JPS63149146U (enrdf_load_stackoverflow) | 1988-09-30 |
| JPH066673Y2 true JPH066673Y2 (ja) | 1994-02-16 |
Family
ID=30852687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987039481U Expired - Lifetime JPH066673Y2 (ja) | 1987-03-18 | 1987-03-18 | 単３中性線欠相保護付漏電ブレ−カ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH066673Y2 (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0828937B2 (ja) * | 1987-09-26 | 1996-03-21 | 松下電工株式会社 | 欠相遮断器 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5471628U (enrdf_load_stackoverflow) * | 1977-10-31 | 1979-05-22 | ||
| JPS54147640U (enrdf_load_stackoverflow) * | 1978-04-06 | 1979-10-13 |
-
1987
- 1987-03-18 JP JP1987039481U patent/JPH066673Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63149146U (enrdf_load_stackoverflow) | 1988-09-30 |
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