ZA815131B - A fault current safety switch - Google Patents

A fault current safety switch

Info

Publication number
ZA815131B
ZA815131B ZA815131A ZA815131A ZA815131B ZA 815131 B ZA815131 B ZA 815131B ZA 815131 A ZA815131 A ZA 815131A ZA 815131 A ZA815131 A ZA 815131A ZA 815131 B ZA815131 B ZA 815131B
Authority
ZA
South Africa
Prior art keywords
induction
delta
bdyn
fault current
winding
Prior art date
Application number
ZA815131A
Other languages
English (en)
Inventor
H Roesch
R Solleder
H Stich
Original Assignee
Siemens Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of ZA815131B publication Critical patent/ZA815131B/xx

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
    • 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)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Protection Of Transformers (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Regulation Of General Use Transformers (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)
  • Transformers For Measuring Instruments (AREA)
ZA815131A 1980-07-28 1981-07-27 A fault current safety switch ZA815131B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803028595 DE3028595A1 (de) 1980-07-28 1980-07-28 Fehlerstromschutzschalter, der auf fehlerstroeme mit gleichstromkomponenten anspricht

Publications (1)

Publication Number Publication Date
ZA815131B true ZA815131B (en) 1982-07-28

Family

ID=6108299

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA815131A ZA815131B (en) 1980-07-28 1981-07-27 A fault current safety switch

Country Status (8)

Country Link
EP (1) EP0044999B1 (enrdf_load_stackoverflow)
JP (1) JPS5752323A (enrdf_load_stackoverflow)
AT (1) ATE10991T1 (enrdf_load_stackoverflow)
DE (2) DE3028595A1 (enrdf_load_stackoverflow)
DK (1) DK156352C (enrdf_load_stackoverflow)
ES (1) ES504315A0 (enrdf_load_stackoverflow)
GR (1) GR74311B (enrdf_load_stackoverflow)
ZA (1) ZA815131B (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3202320A1 (de) * 1982-01-26 1983-07-28 Siemens AG, 1000 Berlin und 8000 München Fehlerstromschutzschalter, der auf fehlerstroeme mit gleichstromkomponenten anspricht
JPS60163013U (ja) * 1984-04-09 1985-10-29 株式会社山形グラビヤ 靴用防臭中敷き
FR2679377B1 (fr) * 1991-07-18 1995-03-17 Mecagis Dispositif d'amortissement mecanique d'un tore magnetique dans un boitier.
DE4210748C1 (de) * 1992-04-01 1993-12-16 Vacuumschmelze Gmbh Stromwandler für pulsstromsensitive Fehlerstromschutzschalter, Fehlerstromschutzschalter mit einem solchen Stromwandler, und Verfahren zur Wärmebehandlung des Eisenlegierungsbandes für dessen Magnetkern
FR2733374B1 (fr) * 1995-04-18 1997-06-06 Schneider Electric Sa Dispositif de protection differentielle sensible aux courants pulses

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2044302B2 (de) * 1970-09-08 1975-01-23 Siemens Ag, 1000 Berlin Und 8000 Muenchen Fehlerstromschutzschalter
DE2348881C3 (de) * 1973-09-28 1980-10-16 Siemens Ag, 1000 Berlin Und 8000 Muenchen Fehlerstromschutzschalter

Also Published As

Publication number Publication date
ATE10991T1 (de) 1985-01-15
DE3167930D1 (en) 1985-02-07
ES8206910A1 (es) 1982-08-16
EP0044999B1 (de) 1984-12-27
GR74311B (enrdf_load_stackoverflow) 1984-06-22
EP0044999A1 (de) 1982-02-03
DK156352B (da) 1989-08-07
JPH0313809B2 (enrdf_load_stackoverflow) 1991-02-25
DE3028595A1 (de) 1982-02-25
DK334181A (da) 1982-01-29
ES504315A0 (es) 1982-08-16
DK156352C (da) 1989-12-27
JPS5752323A (en) 1982-03-27

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