JPS5682462A - Wiring disconnection detector for distribution line - Google Patents
Wiring disconnection detector for distribution lineInfo
- Publication number
- JPS5682462A JPS5682462A JP16312979A JP16312979A JPS5682462A JP S5682462 A JPS5682462 A JP S5682462A JP 16312979 A JP16312979 A JP 16312979A JP 16312979 A JP16312979 A JP 16312979A JP S5682462 A JPS5682462 A JP S5682462A
- Authority
- JP
- Japan
- Prior art keywords
- phase
- fault
- relay
- ground
- distribution line
- 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
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
PURPOSE: To surely cut off the disconnected distribution line from the bus system and prevent an electric shock accident in advance by forcibly causing ground-fault of one phase of sound phase and operating a relay in the event of occurrence of a disconnection.
CONSTITUTION: Circuits aWd are connected respectively via circuit breakers 5 to the bus 4 of a distributing substation 1, and disconnecting detecting voltage relays 7 and disconnecting switches 9 for causing ground-fault are provided between the respective segment switches 6 of every circuit. If one phase (w) of 3-phase wires disconnects at the point (x) in the circuit (a), for example, the vector of the input voltage of the relay 7 changes and the disconnection is detected by the relay 7. The disconnecting switch 9 of the (u) phas of (v) phase is then closed and a ground- fault of one line is caused. This causes the ground-fault relay 12 at the lead-out port of the distribution line to operate surely, thereby cutting off the disconnected distribution wire (w) from the bus 4.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16312979A JPS5682462A (en) | 1979-12-11 | 1979-12-11 | Wiring disconnection detector for distribution line |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16312979A JPS5682462A (en) | 1979-12-11 | 1979-12-11 | Wiring disconnection detector for distribution line |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5682462A true JPS5682462A (en) | 1981-07-06 |
Family
ID=15767736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16312979A Pending JPS5682462A (en) | 1979-12-11 | 1979-12-11 | Wiring disconnection detector for distribution line |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5682462A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4663690A (en) * | 1983-10-24 | 1987-05-05 | Merlin Gerin | Residual differential device equipped with a surveillance system for the electronic power supply |
-
1979
- 1979-12-11 JP JP16312979A patent/JPS5682462A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4663690A (en) * | 1983-10-24 | 1987-05-05 | Merlin Gerin | Residual differential device equipped with a surveillance system for the electronic power supply |
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