JPS547141A - Earthing detector - Google Patents
Earthing detectorInfo
- Publication number
- JPS547141A JPS547141A JP7152277A JP7152277A JPS547141A JP S547141 A JPS547141 A JP S547141A JP 7152277 A JP7152277 A JP 7152277A JP 7152277 A JP7152277 A JP 7152277A JP S547141 A JPS547141 A JP S547141A
- Authority
- JP
- Japan
- Prior art keywords
- earthing
- circuit
- zero
- current transformer
- phase current
- 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.)
- Granted
Links
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
PURPOSE: To provide the operating characteristic for time delay for earthing an apparatus by connecting through a time delaying circuit having overprotective circuit and double voltage rectifier circuit, a contact exciting coil to the secondary winding of zero-phase current transformer provided in the earthing detector utilizing the zero-phase current transformer for actuating a leakage breaker.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7152277A JPS547141A (en) | 1977-06-16 | 1977-06-16 | Earthing detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7152277A JPS547141A (en) | 1977-06-16 | 1977-06-16 | Earthing detector |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS547141A true JPS547141A (en) | 1979-01-19 |
JPS5714096B2 JPS5714096B2 (en) | 1982-03-23 |
Family
ID=13463132
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7152277A Granted JPS547141A (en) | 1977-06-16 | 1977-06-16 | Earthing detector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS547141A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58134493U (en) * | 1982-03-02 | 1983-09-09 | 日本セグメント工業株式会社 | segment |
JPS63112596U (en) * | 1987-01-12 | 1988-07-20 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4120652Y1 (en) * | 1964-04-03 | 1966-10-06 | ||
JPS49127155A (en) * | 1973-04-10 | 1974-12-05 | ||
JPS49141318U (en) * | 1973-04-06 | 1974-12-05 |
-
1977
- 1977-06-16 JP JP7152277A patent/JPS547141A/en active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4120652Y1 (en) * | 1964-04-03 | 1966-10-06 | ||
JPS49141318U (en) * | 1973-04-06 | 1974-12-05 | ||
JPS49127155A (en) * | 1973-04-10 | 1974-12-05 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58134493U (en) * | 1982-03-02 | 1983-09-09 | 日本セグメント工業株式会社 | segment |
JPS63112596U (en) * | 1987-01-12 | 1988-07-20 |
Also Published As
Publication number | Publication date |
---|---|
JPS5714096B2 (en) | 1982-03-23 |
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