ZA805948B - Circuit arrangement for an earth fault current circuit breaker - Google Patents
Circuit arrangement for an earth fault current circuit breakerInfo
- Publication number
- ZA805948B ZA805948B ZA00805948A ZA805948A ZA805948B ZA 805948 B ZA805948 B ZA 805948B ZA 00805948 A ZA00805948 A ZA 00805948A ZA 805948 A ZA805948 A ZA 805948A ZA 805948 B ZA805948 B ZA 805948B
- Authority
- ZA
- South Africa
- Prior art keywords
- circuit
- fault current
- current
- earth fault
- circuit breaker
- 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)
- Emergency Protection Circuit Devices (AREA)
- Breakers (AREA)
- Near-Field Transmission Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19792938971 DE2938971A1 (de) | 1979-09-26 | 1979-09-26 | Fehlerstromschutzschalter mit vormagnetisiertem kern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA805948B true ZA805948B (en) | 1981-09-30 |
Family
ID=6081906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA00805948A ZA805948B (en) | 1979-09-26 | 1980-09-25 | Circuit arrangement for an earth fault current circuit breaker |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0026357B1 (da) |
| JP (1) | JPS5698328A (da) |
| AT (1) | ATE3486T1 (da) |
| DE (1) | DE2938971A1 (da) |
| DK (1) | DK402880A (da) |
| ES (1) | ES8200510A1 (da) |
| GR (1) | GR70212B (da) |
| ZA (1) | ZA805948B (da) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3106960A1 (de) * | 1981-02-25 | 1982-09-09 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | "fehlerstromschutzschalter" |
| JP3021919U (ja) * | 1995-04-05 | 1996-03-12 | 功 塩谷 | ダブル式型手荷物用具 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1069782B (da) * | 1959-11-26 | |||
| CH252903A (de) * | 1949-12-20 | 1948-01-31 | Oerlikon Maschf | Erdschluss-Schutzeinrichtung. |
| US3376477A (en) * | 1965-12-06 | 1968-04-02 | Hubbell Inc Harvey | Protective circuit |
| DE2043007A1 (de) * | 1970-08-29 | 1972-03-02 | Siemens Ag | Fehlerstromschutzschalter |
| IT1088165B (it) * | 1977-10-31 | 1985-06-10 | Elettrocondutture | Dispositivo di sicurezza per impianti elettrici, del tipo a trasformatore differenziale con sganciatore |
-
1979
- 1979-09-26 DE DE19792938971 patent/DE2938971A1/de not_active Withdrawn
-
1980
- 1980-09-04 EP EP80105301A patent/EP0026357B1/de not_active Expired
- 1980-09-04 AT AT80105301T patent/ATE3486T1/de active
- 1980-09-24 DK DK402880A patent/DK402880A/da not_active Application Discontinuation
- 1980-09-24 JP JP13275380A patent/JPS5698328A/ja active Granted
- 1980-09-24 GR GR62951A patent/GR70212B/el unknown
- 1980-09-25 ZA ZA00805948A patent/ZA805948B/xx unknown
- 1980-09-25 ES ES495334A patent/ES8200510A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES495334A0 (es) | 1981-11-01 |
| DK402880A (da) | 1981-03-27 |
| EP0026357B1 (de) | 1983-05-18 |
| JPS6240924B2 (da) | 1987-08-31 |
| EP0026357A1 (de) | 1981-04-08 |
| DE2938971A1 (de) | 1981-04-09 |
| ES8200510A1 (es) | 1981-11-01 |
| JPS5698328A (en) | 1981-08-07 |
| GR70212B (da) | 1982-08-31 |
| ATE3486T1 (de) | 1983-06-15 |
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