JPS57184980A - Detector for unbalanced current - Google Patents
Detector for unbalanced currentInfo
- Publication number
- JPS57184980A JPS57184980A JP7180781A JP7180781A JPS57184980A JP S57184980 A JPS57184980 A JP S57184980A JP 7180781 A JP7180781 A JP 7180781A JP 7180781 A JP7180781 A JP 7180781A JP S57184980 A JPS57184980 A JP S57184980A
- Authority
- JP
- Japan
- Prior art keywords
- value
- detecting
- current
- circuits
- difference
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/16—Measuring asymmetry of polyphase networks
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Rectifiers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7180781A JPS57184980A (en) | 1981-05-09 | 1981-05-09 | Detector for unbalanced current |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7180781A JPS57184980A (en) | 1981-05-09 | 1981-05-09 | Detector for unbalanced current |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57184980A true JPS57184980A (en) | 1982-11-13 |
Family
ID=13471202
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7180781A Pending JPS57184980A (en) | 1981-05-09 | 1981-05-09 | Detector for unbalanced current |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57184980A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2646738A1 (fr) * | 1989-05-03 | 1990-11-09 | Merlin Gerin | Declencheur statique pour un disjoncteur de protection d'un reseau triphase, permettant la detection du type de defaut |
CN114217112A (zh) * | 2021-11-19 | 2022-03-22 | 南方电网科学研究院有限责任公司 | 启动电阻三相不平衡故障的检测方法、装置、设备及介质 |
-
1981
- 1981-05-09 JP JP7180781A patent/JPS57184980A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2646738A1 (fr) * | 1989-05-03 | 1990-11-09 | Merlin Gerin | Declencheur statique pour un disjoncteur de protection d'un reseau triphase, permettant la detection du type de defaut |
CN114217112A (zh) * | 2021-11-19 | 2022-03-22 | 南方电网科学研究院有限责任公司 | 启动电阻三相不平衡故障的检测方法、装置、设备及介质 |
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