IT7826856A0 - Struttura di collegamento di trasformatore di un interruttore automatico per correnti di guasto combinato con interruttori dilinea. - Google Patents
Struttura di collegamento di trasformatore di un interruttore automatico per correnti di guasto combinato con interruttori dilinea.Info
- Publication number
- IT7826856A0 IT7826856A0 IT7826856A IT2685678A IT7826856A0 IT 7826856 A0 IT7826856 A0 IT 7826856A0 IT 7826856 A IT7826856 A IT 7826856A IT 2685678 A IT2685678 A IT 2685678A IT 7826856 A0 IT7826856 A0 IT 7826856A0
- Authority
- IT
- Italy
- Prior art keywords
- circuit breaker
- connection structure
- current circuit
- fault current
- transformer connection
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
- H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/28—Current transformers
- H01F38/30—Constructions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
- H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
- H01H2083/148—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer with primary windings formed of rigid copper conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/08—Terminals; Connections
- H01H71/082—Connections between juxtaposed circuit breakers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformers For Measuring Instruments (AREA)
- Coils Of Transformers For General Uses (AREA)
- Breakers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2737618A DE2737618C3 (de) | 1977-08-20 | 1977-08-20 | Anschluß des Stromwandlers eines mit Leitungsschutzschaltern kombinierten Fehlerstromauslösers |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7826856A0 true IT7826856A0 (it) | 1978-08-18 |
IT1098164B IT1098164B (it) | 1985-09-07 |
Family
ID=6016897
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT26856/78A IT1098164B (it) | 1977-08-20 | 1978-08-18 | Struttura di collegamento di trasformatore di un interruttore automatico per correnti di guasto combinato con interruttori di linea |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2737618C3 (it) |
FR (1) | FR2400765A1 (it) |
IT (1) | IT1098164B (it) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3108393A1 (de) * | 1981-03-05 | 1982-09-16 | Siemens AG, 1000 Berlin und 8000 München | "schutzschalter mit von aussen zugaenglichem summenstromwandler" |
FR2501929A1 (fr) * | 1981-03-10 | 1982-09-17 | Merlin Gerin | Disjoncteur basse tension et procede de fabrication d'un capteur de courant |
DE3642471A1 (de) * | 1986-12-12 | 1988-06-23 | Bbc Brown Boveri & Cie | Schutzschalterkombination |
FR2687838B1 (fr) * | 1992-02-21 | 1994-04-08 | Merlin Gerin | Disjoncteur differentiel unipolaire et neutre et a circuit test. |
DE102005050318B3 (de) * | 2005-10-20 | 2007-03-15 | Siemens Ag | Wandlereinheit und Vorrichtung zur allstromsensitiven Erfassung eines elektrischen Differenzstromes |
DE202014105758U1 (de) * | 2014-11-28 | 2015-12-03 | Abb Schweiz Ag | Kombinierter Leitungs- und Fehlerstromschutzschalter |
-
1977
- 1977-08-20 DE DE2737618A patent/DE2737618C3/de not_active Expired
-
1978
- 1978-08-18 IT IT26856/78A patent/IT1098164B/it active
- 1978-08-18 FR FR7824147A patent/FR2400765A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2737618B2 (de) | 1979-07-26 |
IT1098164B (it) | 1985-09-07 |
FR2400765A1 (fr) | 1979-03-16 |
FR2400765B3 (it) | 1981-04-10 |
DE2737618C3 (de) | 1980-03-27 |
DE2737618A1 (de) | 1979-02-22 |
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