IT1073771B - IMPROVEMENT IN ELECTRICAL SAFETY CIRCUITS - Google Patents
IMPROVEMENT IN ELECTRICAL SAFETY CIRCUITSInfo
- Publication number
- IT1073771B IT1073771B IT5211176A IT5211176A IT1073771B IT 1073771 B IT1073771 B IT 1073771B IT 5211176 A IT5211176 A IT 5211176A IT 5211176 A IT5211176 A IT 5211176A IT 1073771 B IT1073771 B IT 1073771B
- Authority
- IT
- Italy
- Prior art keywords
- improvement
- electrical safety
- safety circuits
- circuits
- electrical
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
-
- 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)
- Coils Or Transformers For Communication (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4633175 | 1975-11-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1073771B true IT1073771B (en) | 1985-04-17 |
Family
ID=10440810
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT5211176A IT1073771B (en) | 1975-11-10 | 1976-11-10 | IMPROVEMENT IN ELECTRICAL SAFETY CIRCUITS |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2651245A1 (en) |
FR (1) | FR2331181A1 (en) |
IT (1) | IT1073771B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2924122C2 (en) * | 1979-06-15 | 1984-07-05 | Kommanditgesellschaft Ritz Messwandler Gmbh & Co, 2000 Hamburg | Electronic residual current protective device |
DE3048785A1 (en) * | 1980-12-23 | 1982-07-15 | Brown, Boveri & Cie Ag, 6800 Mannheim | CIRCUIT ARRANGEMENT FOR DETECTING A FAULT CURRENT |
FR2520165B1 (en) * | 1982-01-18 | 1986-02-07 | Claude Sa | DIFFERENTIAL SWITCH FOR DOMESTIC USE |
DE3315190A1 (en) * | 1983-04-27 | 1984-10-31 | Felten & Guilleaume Energietechnik GmbH, 5000 Köln | Triggering system for protection circuit breakers, especially for earth-leakage current protection circuit breakers |
DE3409603A1 (en) * | 1984-03-15 | 1985-09-19 | Siemens AG, 1000 Berlin und 8000 München | Earth-leakage current protection circuit breaker |
DE102023101847A1 (en) | 2023-01-25 | 2024-07-25 | TRUMPF Hüttinger GmbH + Co. KG | Connection arrangement, plasma process power supply system, plasma process system and a method for operating a plasma process |
-
1976
- 1976-11-10 IT IT5211176A patent/IT1073771B/en active
- 1976-11-10 DE DE19762651245 patent/DE2651245A1/en active Pending
- 1976-11-10 FR FR7633879A patent/FR2331181A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2331181A1 (en) | 1977-06-03 |
DE2651245A1 (en) | 1977-05-18 |
FR2331181B3 (en) | 1979-07-27 |
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