DE2103515A1 - Schaltungsanordnung zur Erfassung fehlerbedingter Stromanderungen - Google Patents

Schaltungsanordnung zur Erfassung fehlerbedingter Stromanderungen

Info

Publication number
DE2103515A1
DE2103515A1 DE19712103515 DE2103515A DE2103515A1 DE 2103515 A1 DE2103515 A1 DE 2103515A1 DE 19712103515 DE19712103515 DE 19712103515 DE 2103515 A DE2103515 A DE 2103515A DE 2103515 A1 DE2103515 A1 DE 2103515A1
Authority
DE
Germany
Prior art keywords
circuit
current
curve
circuit arrangement
arrangement according
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.)
Pending
Application number
DE19712103515
Other languages
German (de)
English (en)
Inventor
Maunzio Pittsburgh Pa Traversi (V St A ) H02h 7 20
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 DE2103515A1 publication Critical patent/DE2103515A1/de
Pending 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
    • H02H3/44—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 the rate of change of electrical quantities
    • 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
    • H02H3/08—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 excess current
    • H02H3/083—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 excess current for three-phase systems

Landscapes

  • Control Of Multiple Motors (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Measurement Of Current Or Voltage (AREA)
DE19712103515 1970-01-27 1971-01-21 Schaltungsanordnung zur Erfassung fehlerbedingter Stromanderungen Pending DE2103515A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US624370A 1970-01-27 1970-01-27

Publications (1)

Publication Number Publication Date
DE2103515A1 true DE2103515A1 (de) 1971-08-05

Family

ID=21719977

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712103515 Pending DE2103515A1 (de) 1970-01-27 1971-01-21 Schaltungsanordnung zur Erfassung fehlerbedingter Stromanderungen

Country Status (4)

Country Link
CH (1) CH523612A (enExample)
DE (1) DE2103515A1 (enExample)
ES (1) ES387284A1 (enExample)
FR (1) FR2077354B1 (enExample)

Also Published As

Publication number Publication date
FR2077354B1 (enExample) 1975-06-06
ES387284A1 (es) 1973-05-01
CH523612A (de) 1972-05-31
FR2077354A1 (enExample) 1971-10-22

Similar Documents

Publication Publication Date Title
DE2221048C2 (de) Anordnung zur Feststellung von Zeitintervallen, in denen das Meßsignal eines Meßtransformators aufgrund seines Sättigungszustandes fehlerhaft ist
DE2624106A1 (de) Impulsdauermodulations-steueranrodnung fuer die verwendung in einem spannungswandler
DE2556726A1 (de) Steuerschaltung fuer einen selbstanlaufenden elektromotor
DE2406197A1 (de) Verfahren und einrichtung zur detektion von kurzschluessen
DE2539568A1 (de) Statisches ueberstromrelais
DE2731453C3 (de) Erdschlußdetektor
DE2539727A1 (de) Statisches ueberstromrelais
DE2814768A1 (de) Geschwindigkeitssteuereinrichtung fuer einen gleichstrommotor
DE2555221C2 (de) Verfahren zur Erfassung von Fehlerströmen beliebiger Art
DE2103515A1 (de) Schaltungsanordnung zur Erfassung fehlerbedingter Stromanderungen
DE2216377A1 (de) Differentialschutz
DE3205903C2 (enExample)
DE2827357C2 (de) Nullstrommelder für einen kreisstromfreien Doppelstromrichter
DE890375C (de) Elektrischer Zeitkreis
DE2134920A1 (de) Verfahren und einrichtung zum schutz von gleichstrom-uebertragungsleitungen
DE2736783A1 (de) Grenzwert-meldevorrichtung fuer wechselsignale
DE2660319C2 (de) Schutzschaltungsanordnung für einen dreiphasigen Wechselrichter
DE2406196C3 (de) Verfahren und Einrichtung zur Detektion von Kurzschlüssen
DE1463006C3 (de) Auslöseeinrichtung für ein strombegrenzendes Schaltgerät
DE2700547A1 (de) Verfahren zur sicherung eines schaltnetzgeraets mit einem schalttransformator, sowie ueberwachungsvorrichtung zur durchfuehrung des verfahrens
AT238826B (de) Schaltungsanordnung zur Fernsteuerung von Schweißmaschinen
EP0069888A2 (de) Elektronisch geregeltes Zündsystem
DE3004740A1 (de) Schaltnetzteil
DE1538087C3 (enExample)
DE2519361A1 (de) Verfahren und vorrichtung zum unterspannungsetzen eines mit wechselstrom gespeisten transformators

Legal Events

Date Code Title Description
OHA Expiration of time for request for examination