CH489933A - Control device for an electric motor that works under a variable load - Google Patents

Control device for an electric motor that works under a variable load

Info

Publication number
CH489933A
CH489933A CH92669A CH92669A CH489933A CH 489933 A CH489933 A CH 489933A CH 92669 A CH92669 A CH 92669A CH 92669 A CH92669 A CH 92669A CH 489933 A CH489933 A CH 489933A
Authority
CH
Switzerland
Prior art keywords
control device
electric motor
variable load
works under
works
Prior art date
Application number
CH92669A
Other languages
German (de)
Inventor
Albert Albertsson Tor
Landquist Folke
Original Assignee
Stenberg Flygt Ab
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 Stenberg Flygt Ab filed Critical Stenberg Flygt Ab
Publication of CH489933A publication Critical patent/CH489933A/en

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
    • H02H7/085—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 excessive load
CH92669A 1968-01-23 1969-01-22 Control device for an electric motor that works under a variable load CH489933A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE89968 1968-01-23

Publications (1)

Publication Number Publication Date
CH489933A true CH489933A (en) 1970-04-30

Family

ID=20257272

Family Applications (1)

Application Number Title Priority Date Filing Date
CH92669A CH489933A (en) 1968-01-23 1969-01-22 Control device for an electric motor that works under a variable load

Country Status (6)

Country Link
BE (1) BE727320A (en)
CH (1) CH489933A (en)
DE (1) DE1903140A1 (en)
FR (1) FR2000618A1 (en)
LU (1) LU57809A1 (en)
NL (1) NL6901154A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3109137C2 (en) * 1981-03-11 1985-07-25 Bernhard 8071 Lenting Kessel Method for starting an electric motor of a sewage pump and an electric motor-driven sewage pump

Also Published As

Publication number Publication date
FR2000618A1 (en) 1969-09-12
BE727320A (en) 1969-07-01
LU57809A1 (en) 1969-05-13
NL6901154A (en) 1969-07-25
DE1903140A1 (en) 1969-09-04

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Legal Events

Date Code Title Description
PL Patent ceased