JPS5238269A - Zero phase voltage detection system - Google Patents
Zero phase voltage detection systemInfo
- Publication number
- JPS5238269A JPS5238269A JP50113663A JP11366375A JPS5238269A JP S5238269 A JPS5238269 A JP S5238269A JP 50113663 A JP50113663 A JP 50113663A JP 11366375 A JP11366375 A JP 11366375A JP S5238269 A JPS5238269 A JP S5238269A
- Authority
- JP
- Japan
- Prior art keywords
- detection system
- voltage detection
- phase voltage
- zero phase
- relay
- 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)
- Measurement Of Current Or Voltage (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
PURPOSE: To provide a filter between the open delta winding of a grounding transformer and a current limiting resistor, therby increasing the detection sensitivity of a ground-fault relay and making possible the reduction in size of the relay.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50113663A JPS5238269A (en) | 1975-09-22 | 1975-09-22 | Zero phase voltage detection system |
JP1979174858U JPS55161280U (en) | 1975-09-22 | 1979-12-19 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50113663A JPS5238269A (en) | 1975-09-22 | 1975-09-22 | Zero phase voltage detection system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5238269A true JPS5238269A (en) | 1977-03-24 |
Family
ID=14617990
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50113663A Pending JPS5238269A (en) | 1975-09-22 | 1975-09-22 | Zero phase voltage detection system |
JP1979174858U Pending JPS55161280U (en) | 1975-09-22 | 1979-12-19 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1979174858U Pending JPS55161280U (en) | 1975-09-22 | 1979-12-19 |
Country Status (1)
Country | Link |
---|---|
JP (2) | JPS5238269A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0546633U (en) * | 1991-12-02 | 1993-06-22 | 満義 兼子 | Auxiliary brake device for automobile |
-
1975
- 1975-09-22 JP JP50113663A patent/JPS5238269A/en active Pending
-
1979
- 1979-12-19 JP JP1979174858U patent/JPS55161280U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0546633U (en) * | 1991-12-02 | 1993-06-22 | 満義 兼子 | Auxiliary brake device for automobile |
Also Published As
Publication number | Publication date |
---|---|
JPS55161280U (en) | 1980-11-19 |
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