DE2504837A1 - Ueberstromschutz fuer blindleistungsverbraucher, insbesondere motoren - Google Patents

Ueberstromschutz fuer blindleistungsverbraucher, insbesondere motoren

Info

Publication number
DE2504837A1
DE2504837A1 DE19752504837 DE2504837A DE2504837A1 DE 2504837 A1 DE2504837 A1 DE 2504837A1 DE 19752504837 DE19752504837 DE 19752504837 DE 2504837 A DE2504837 A DE 2504837A DE 2504837 A1 DE2504837 A1 DE 2504837A1
Authority
DE
Germany
Prior art keywords
overcurrent
relay
motors
overcurrent protection
dependence
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Withdrawn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
DE19752504837
Other languages
German (de)
English (en)
Inventor
Ulrich Broennimann
Helmut Dipl Ing Dr Ungrad
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.)
BBC BROWN BOVERI and CIE
BBC Brown Boveri AG Switzerland
Original Assignee
BBC BROWN BOVERI and CIE
BBC Brown Boveri AG Switzerland
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 BBC BROWN BOVERI and CIE, BBC Brown Boveri AG Switzerland filed Critical BBC BROWN BOVERI and CIE
Publication of DE2504837A1 publication Critical patent/DE2504837A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00Details of emergency protective circuit arrangements
    • H02H1/0038Details of emergency protective circuit arrangements concerning the connection of the detecting means, e.g. for reducing their number
    • H02H1/0046Commutating the detecting means in dependance of the fault, e.g. for reducing their number
    • 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
    • H02H3/38Emergency 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 both voltage and current; responsive to phase angle between voltage and current
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/085Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
    • H02H7/0855Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load avoiding response to transient overloads, e.g. during starting

Landscapes

  • Emergency Protection Circuit Devices (AREA)
DE19752504837 1975-01-10 1975-02-06 Ueberstromschutz fuer blindleistungsverbraucher, insbesondere motoren Withdrawn DE2504837A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH27675A CH579839A5 (cs) 1975-01-10 1975-01-10

Publications (1)

Publication Number Publication Date
DE2504837A1 true DE2504837A1 (de) 1976-07-15

Family

ID=4183301

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752504837 Withdrawn DE2504837A1 (de) 1975-01-10 1975-02-06 Ueberstromschutz fuer blindleistungsverbraucher, insbesondere motoren

Country Status (2)

Country Link
CH (1) CH579839A5 (cs)
DE (1) DE2504837A1 (cs)

Also Published As

Publication number Publication date
CH579839A5 (cs) 1976-09-15

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Legal Events

Date Code Title Description
8141 Disposal/no request for examination