JPH01131238U - - Google Patents
Info
- Publication number
- JPH01131238U JPH01131238U JP2715488U JP2715488U JPH01131238U JP H01131238 U JPH01131238 U JP H01131238U JP 2715488 U JP2715488 U JP 2715488U JP 2715488 U JP2715488 U JP 2715488U JP H01131238 U JPH01131238 U JP H01131238U
- Authority
- JP
- Japan
- Prior art keywords
- zero
- sequence
- line
- voltage
- ground fault
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 230000000737 periodic effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Emergency Protection Circuit Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2715488U JPH01131238U (enExample) | 1988-02-29 | 1988-02-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2715488U JPH01131238U (enExample) | 1988-02-29 | 1988-02-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01131238U true JPH01131238U (enExample) | 1989-09-06 |
Family
ID=31249400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2715488U Pending JPH01131238U (enExample) | 1988-02-29 | 1988-02-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01131238U (enExample) |
-
1988
- 1988-02-29 JP JP2715488U patent/JPH01131238U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2132203A1 (en) | Phase Selection for Ground Fault | |
| US3838314A (en) | Detector for reverse and open phase in a three phase circuit | |
| JPH05137250A (ja) | 配電線停止極小化システム | |
| GB1531430A (en) | Segregated phase comparing relays | |
| JPH027248B2 (enExample) | ||
| JPH01131238U (enExample) | ||
| JPH0227272A (ja) | 送配電線の地絡検出装置 | |
| JP2923572B2 (ja) | 変化幅検出装置 | |
| JPH01127332U (enExample) | ||
| JPH01180140U (enExample) | ||
| JPH0442726A (ja) | 配電線の地絡表示装置 | |
| JP3899215B2 (ja) | 配電系統の事故復旧方法 | |
| JPS63166155A (ja) | 燃料電池発電装置 | |
| JPH04236124A (ja) | 高圧配電線の微地絡故障回線の検出方法 | |
| JP3259556B2 (ja) | 事故点標定装置 | |
| SU1005233A1 (ru) | Устройство дл максимальной токовой фильтровой защиты | |
| JPS6238034U (enExample) | ||
| JPH099495A (ja) | フィーダの保護方式 | |
| JPH0210770Y2 (enExample) | ||
| JPH04281327A (ja) | 配電系統の微地絡選択しゃ断方式 | |
| JPH027261B2 (enExample) | ||
| JPH06121454A (ja) | 地絡事故検出装置 | |
| JPH01234011A (ja) | 地絡検出装置 | |
| JPS6270630U (enExample) | ||
| JPH01302182A (ja) | 故障点標定装置 |