DE2301757A1 - Schutzschalter, insbesondere fehlerstromschutzschalter - Google Patents

Schutzschalter, insbesondere fehlerstromschutzschalter

Info

Publication number
DE2301757A1
DE2301757A1 DE2301757A DE2301757A DE2301757A1 DE 2301757 A1 DE2301757 A1 DE 2301757A1 DE 2301757 A DE2301757 A DE 2301757A DE 2301757 A DE2301757 A DE 2301757A DE 2301757 A1 DE2301757 A1 DE 2301757A1
Authority
DE
Germany
Prior art keywords
circuit breaker
transformer
primary winding
output transformer
current
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
DE2301757A
Other languages
German (de)
English (en)
Inventor
Kenneth R Coley
John J Misencik
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of DE2301757A1 publication Critical patent/DE2301757A1/de
Withdrawn legal-status Critical Current

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
    • H02H3/331—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 responsive to earthing of the neutral conductor

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)
DE2301757A 1972-01-18 1973-01-15 Schutzschalter, insbesondere fehlerstromschutzschalter Withdrawn DE2301757A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21877172A 1972-01-18 1972-01-18

Publications (1)

Publication Number Publication Date
DE2301757A1 true DE2301757A1 (de) 1973-07-26

Family

ID=22816443

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2301757A Withdrawn DE2301757A1 (de) 1972-01-18 1973-01-15 Schutzschalter, insbesondere fehlerstromschutzschalter

Country Status (5)

Country Link
JP (2) JPS4886050A (enExample)
AT (1) AT318051B (enExample)
CA (1) CA1016262A (enExample)
DE (1) DE2301757A1 (enExample)
ZA (1) ZA728755B (enExample)

Also Published As

Publication number Publication date
AU5005272A (en) 1974-06-20
JPS4886050A (enExample) 1973-11-14
CA1016262A (en) 1977-08-23
AT318051B (de) 1974-09-25
ZA728755B (en) 1973-08-29
JPS53135539U (enExample) 1978-10-26

Similar Documents

Publication Publication Date Title
DE1140634B (de) Sicherheitsschalter zum Schutze gegen elektrische Kriechstroeme
DE1563629A1 (de) Elektrische Sicherheitsschaltung
DE2731453C3 (de) Erdschlußdetektor
DE2943725A1 (de) Verfahren zur pruefung einer fehlerstromschutzeinrichtung und einrichtung zur durchfuehrung des verfahrens
DE2124178C3 (de) Schutzeinrichtung zum Feststellen von Erdschluß-Leckströmen
DE823752C (de) Einrichtung zum Schutz eines Teiles einer elektrischen Kraftanlage gegen innere Fehler dieses Teiles
DE2124179C3 (de) Schutzeinrichtung zum Feststellen von Erdschluß-Leckströmen
DE2526649A1 (de) Erdschlusschutzeinrichtung
DE2845993A1 (de) Fehlerstromschutzschaltungsanordnung
DE2301757A1 (de) Schutzschalter, insbesondere fehlerstromschutzschalter
DE844192C (de) Einrichtung zum selektiven Erdschlussschutz von Wechselstrom-Generatoren
DE3013212C2 (enExample)
DE567079C (de) Einrichtung zur Verhinderung des Bestehenbleibens von Fehlerstroemen, beispielsweise bei Erdschluessen in elektrischen Anlagen
DE896676C (de) Differentialschutzeinrichtung mit Anregerelais
DE2216377B2 (de) Differentialschutz
DE2231432C2 (de) Fehlerstromschutzschalter
DE2043007A1 (de) Fehlerstromschutzschalter
DE512150C (de) Elektrisches Schutzsystem mit zwei UEberwachungsdraehten
EP0313542A2 (de) Einrichtung zum gesteuerten Einschalten von induktiven Elementen im Hochspannungsnetz
DE681014C (de) Schutzeinrichtung fuer Gleichstromgeneratoren
DE563138C (de) Einrichtung zum Schutze paralleler Leitungsstrecken
DE480049C (de) Relaisschaltung zum Schutz paralleler Wechselstromleitungen, bei der die Sekundaerspulen von Stromwandlern zu einem Polygon geschaltet sind
AT250478B (de) Differentialschutzeinrichtung für Transformatoren oder Blockschaltungen
DE1788159A1 (de) Vorrichtung zum schutz gegen die fehlerstroeme elektrischer einrichtungen
AT105289B (de) Selbsttätige Abschaltevorrichtung für örtliche Stromverteilungsanlagen, insbesondere Hausinstallationen.

Legal Events

Date Code Title Description
OD Request for examination
8130 Withdrawal