IT941390B - ELECTRIC SWITCH FOR PROTECTION AGAINST DISPERSION CURRENTS - Google Patents
ELECTRIC SWITCH FOR PROTECTION AGAINST DISPERSION CURRENTSInfo
- Publication number
- IT941390B IT941390B IT31681/71A IT3168171A IT941390B IT 941390 B IT941390 B IT 941390B IT 31681/71 A IT31681/71 A IT 31681/71A IT 3168171 A IT3168171 A IT 3168171A IT 941390 B IT941390 B IT 941390B
- Authority
- IT
- Italy
- Prior art keywords
- protection against
- electric switch
- against dispersion
- dispersion currents
- currents
- Prior art date
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
- H02H3/332—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 with means responsive to dc component in the fault current
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Regulation Of General Use Transformers (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702059054 DE2059054A1 (en) | 1970-12-01 | 1970-12-01 | Residual current circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT941390B true IT941390B (en) | 1973-03-01 |
Family
ID=5789636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT31681/71A IT941390B (en) | 1970-12-01 | 1971-11-26 | ELECTRIC SWITCH FOR PROTECTION AGAINST DISPERSION CURRENTS |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS4728452A (en) |
| AT (1) | AT310852B (en) |
| BE (1) | BE775890A (en) |
| CH (1) | CH532856A (en) |
| DE (1) | DE2059054A1 (en) |
| ES (1) | ES397526A1 (en) |
| FR (1) | FR2116422A1 (en) |
| GB (1) | GB1371654A (en) |
| IT (1) | IT941390B (en) |
| ZA (1) | ZA717897B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5638728B2 (en) * | 1973-07-04 | 1981-09-08 | ||
| JPS5035912A (en) * | 1973-08-01 | 1975-04-04 | ||
| LU78075A1 (en) * | 1977-09-02 | 1979-04-09 | Gath N | FAULT CIRCUIT BREAKER |
| LU79817A1 (en) * | 1978-06-15 | 1980-01-22 | N Gath | Fault current protection switch |
| DE4215900C1 (en) * | 1992-05-14 | 1993-12-23 | Siemens Ag | Difference current detection system for DC fault current - has three or more current conductors arranged symmetrical to centre of sum current transducer core |
| DE4215899C1 (en) * | 1992-05-14 | 1993-11-25 | Siemens Ag | Difference current detection system - uses annular core with two opposing gaps each with magnetic field sensor enclosing symmetrical current leads |
| DE4314539C2 (en) * | 1993-05-03 | 1998-11-05 | Siemens Ag | Magnetic resistance sensor with vertical sensitivity and use of the sensor |
-
1970
- 1970-12-01 DE DE19702059054 patent/DE2059054A1/en active Pending
-
1971
- 1971-10-28 CH CH1530271A patent/CH532856A/en not_active IP Right Cessation
- 1971-11-17 AT AT992171A patent/AT310852B/en not_active IP Right Cessation
- 1971-11-24 ZA ZA717897A patent/ZA717897B/en unknown
- 1971-11-25 GB GB5487471A patent/GB1371654A/en not_active Expired
- 1971-11-26 BE BE775890A patent/BE775890A/en unknown
- 1971-11-26 IT IT31681/71A patent/IT941390B/en active
- 1971-11-30 ES ES397526A patent/ES397526A1/en not_active Expired
- 1971-11-30 FR FR7142811A patent/FR2116422A1/fr not_active Withdrawn
- 1971-12-03 JP JP9753771A patent/JPS4728452A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| ZA717897B (en) | 1972-08-30 |
| JPS4728452A (en) | 1972-11-01 |
| GB1371654A (en) | 1974-10-23 |
| AT310852B (en) | 1973-10-25 |
| FR2116422A1 (en) | 1972-07-13 |
| DE2059054A1 (en) | 1972-06-08 |
| ES397526A1 (en) | 1974-05-16 |
| CH532856A (en) | 1973-01-15 |
| BE775890A (en) | 1972-05-26 |
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