JPS529871A - Leakage breaker - Google Patents
Leakage breakerInfo
- Publication number
- JPS529871A JPS529871A JP8144676A JP8144676A JPS529871A JP S529871 A JPS529871 A JP S529871A JP 8144676 A JP8144676 A JP 8144676A JP 8144676 A JP8144676 A JP 8144676A JP S529871 A JPS529871 A JP S529871A
- Authority
- JP
- Japan
- Prior art keywords
- leakage breaker
- breaker
- leakage
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
- H02H3/33—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752530456 DE2530456A1 (en) | 1975-07-08 | 1975-07-08 | Protective circuit breaker with OFF trip - has additional transformer for current or voltage necessary for trip actuation |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS529871A true JPS529871A (en) | 1977-01-25 |
Family
ID=5950967
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8144676A Pending JPS529871A (en) | 1975-07-08 | 1976-07-08 | Leakage breaker |
JP7727080U Pending JPS55166044U (en) | 1975-07-08 | 1980-06-03 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7727080U Pending JPS55166044U (en) | 1975-07-08 | 1980-06-03 |
Country Status (2)
Country | Link |
---|---|
JP (2) | JPS529871A (en) |
DE (1) | DE2530456A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2693050B1 (en) * | 1992-06-24 | 1997-04-30 | Serd Sa | CIRCUIT FOR SELECTIVE DIFFERENTIAL SWITCHES |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3187225A (en) * | 1960-06-09 | 1965-06-01 | Lab D Electronique & D Automat | Control system for a relay protecting a feed circuit |
US3505566A (en) * | 1967-08-02 | 1970-04-07 | Ite Imperial Corp | Ground relay system |
-
1975
- 1975-07-08 DE DE19752530456 patent/DE2530456A1/en not_active Withdrawn
-
1976
- 1976-07-08 JP JP8144676A patent/JPS529871A/en active Pending
-
1980
- 1980-06-03 JP JP7727080U patent/JPS55166044U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3187225A (en) * | 1960-06-09 | 1965-06-01 | Lab D Electronique & D Automat | Control system for a relay protecting a feed circuit |
US3505566A (en) * | 1967-08-02 | 1970-04-07 | Ite Imperial Corp | Ground relay system |
Also Published As
Publication number | Publication date |
---|---|
JPS55166044U (en) | 1980-11-29 |
DE2530456A1 (en) | 1977-01-27 |
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