DE248094C - - Google Patents

Info

Publication number
DE248094C
DE248094C DENDAT248094D DE248094DA DE248094C DE 248094 C DE248094 C DE 248094C DE NDAT248094 D DENDAT248094 D DE NDAT248094D DE 248094D A DE248094D A DE 248094DA DE 248094 C DE248094 C DE 248094C
Authority
DE
Germany
Prior art keywords
short
phase
phases
magnets
circuiting
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.)
Active
Application number
DENDAT248094D
Other languages
German (de)
English (en)
Publication of DE248094C publication Critical patent/DE248094C/de
Active legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/26Emergency 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
    • H02H3/32Emergency 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
    • H02H3/34Emergency 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 of a three-phase system

Landscapes

  • Fuses (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Breakers (AREA)
DENDAT248094D Active DE248094C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE248094C true DE248094C (enrdf_load_stackoverflow)

Family

ID=506835

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT248094D Active DE248094C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE248094C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2553949A (en) * 1945-05-09 1951-05-22 Screw Machine Products Co Circuit protecting device for motors and the like

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2553949A (en) * 1945-05-09 1951-05-22 Screw Machine Products Co Circuit protecting device for motors and the like

Similar Documents

Publication Publication Date Title
DE248094C (enrdf_load_stackoverflow)
DE3107654C2 (de) Teilwicklungsschaltung zum Anfahren eines Drehstrommotors
DE268186C (enrdf_load_stackoverflow)
DE871184C (de) Einrichtung zur UEberwachung des UEbergangswiderstandes und zur Erhaltung der elektrischen Leitfaehigkeit zwischen elektrisch Leitenden Teilen
DE250724C (de) Sicherheitsschaltung fuek Kabel und Freileitungen in Gleich und Wechselstromanlagen unter Verwendung von Hilfsleitungen
DE736927C (de) Mehrphasen-Relais nach dem Ferraris-Grundsatz
DE405960C (de) Schaltungsanordnung des UEberstromschutzes von mehr als zwei parallelen Leitungen
DE450556C (de) Mehrphasen-Induktionsrelais
DE179518C (enrdf_load_stackoverflow)
DE680939C (de) Einrichtung zur induktiven Beeinflussung zwischen Fahrzeug und Strecke
DE691022C (de) Anregevorrichtung fuer Selektivschutzschaltungen
DE2105860C3 (de) Schutz- und Kurzschlußortungssystem für zusammengeschaltete Mehrfachringe
DE875540C (de) Schaltung fuer die Generatoren und Transformatoren elektrischer Drehstromkraftwerke
DE462736C (de) Selbstschalter fuer parallel geschaltete Compoundmaschinen
DE581352C (de) Schutzeinrichtung fuer mehrphasige Wechselstrommaschinen, insbesondere Einankerumformer
DE402104C (de) Einrichtung zur Verzoegerung des Stromanstiegs in Gleichstromnetzen bei Kurzschluessen
DE407718C (de) Relais zur Anzeige der Ungleichheit von Stroemen, vorzugsweise in Drehstromanlagen
DE433514C (de) Selektiv wirkender UEberstromschutz fuer parallele Leitungen
DE748114C (de) Selbstanlaufender Einphaseninduktionsmotor
DE598543C (de) Schutzschaltung
DE501739C (de) Schutzvorrichtung fuer Mehrphasen-Asynchronmotoren
AT95472B (de) Schaltungsanordnung des Überstromschutzes von mehr als zwei parallelen Leitungen.
DE4333400C2 (de) Elektrische Maschine mit einer Schaltungsanordnung zur Erfassung von Windungsschlüssen
DE401959C (de) Einrichtung zum Schutz elektrischer Maschinen gegen gefahrbringende Betriebszustaende
DE381287C (de) Schutzsicherung fuer durch Temperatursteigerungen gefaehrdete elektrische Maschinen usw