NO133916B - - Google Patents

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Publication number
NO133916B
NO133916B NO213073A NO213073A NO133916B NO 133916 B NO133916 B NO 133916B NO 213073 A NO213073 A NO 213073A NO 213073 A NO213073 A NO 213073A NO 133916 B NO133916 B NO 133916B
Authority
NO
Norway
Prior art keywords
voltage
motor
operating voltage
threshold value
switch
Prior art date
Application number
NO213073A
Other languages
English (en)
Norwegian (no)
Other versions
NO133916C (fi
Inventor
F Larsen
I M Pedersen
B Ostergaard
Original Assignee
Danfoss As
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
Priority claimed from DE19722228648 external-priority patent/DE2228648C3/de
Application filed by Danfoss As filed Critical Danfoss As
Publication of NO133916B publication Critical patent/NO133916B/no
Publication of NO133916C publication Critical patent/NO133916C/no

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency 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
    • H02H7/08—Emergency 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
    • H02H7/0833—Emergency 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 for electric motors with control arrangements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency 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
    • H02H7/08—Emergency 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
    • H02H7/09—Emergency 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 over-voltage; against reduction of voltage; against phase interruption

Landscapes

  • Motor And Converter Starters (AREA)
  • Control Of Eletrric Generators (AREA)
NO213073A 1972-06-13 1973-05-23 NO133916C (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722228648 DE2228648C3 (de) 1972-06-13 Unterspannungsschützanordnung zur Überwachung der Betriebsspannung eines Asynchronmotors

Publications (2)

Publication Number Publication Date
NO133916B true NO133916B (fi) 1976-04-05
NO133916C NO133916C (fi) 1976-07-21

Family

ID=5847579

Family Applications (1)

Application Number Title Priority Date Filing Date
NO213073A NO133916C (fi) 1972-06-13 1973-05-23

Country Status (1)

Country Link
NO (1) NO133916C (fi)

Also Published As

Publication number Publication date
NO133916C (fi) 1976-07-21
DE2228648B2 (de) 1975-06-26
DE2228648A1 (de) 1974-01-03

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