CH490759A - Electric speed control device for an alternating current asynchronous motor - Google Patents

Electric speed control device for an alternating current asynchronous motor

Info

Publication number
CH490759A
CH490759A CH903469A CH903469A CH490759A CH 490759 A CH490759 A CH 490759A CH 903469 A CH903469 A CH 903469A CH 903469 A CH903469 A CH 903469A CH 490759 A CH490759 A CH 490759A
Authority
CH
Switzerland
Prior art keywords
control device
alternating current
speed control
asynchronous motor
electric speed
Prior art date
Application number
CH903469A
Other languages
German (de)
Inventor
Schmid Eugen
Original Assignee
Landis & Gyr Ag
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 Landis & Gyr Ag filed Critical Landis & Gyr Ag
Priority to CH903469A priority Critical patent/CH490759A/en
Priority to DE19702011259 priority patent/DE2011259A1/en
Publication of CH490759A publication Critical patent/CH490759A/en
Priority to GB1251162D priority patent/GB1251162A/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
    • H02P27/02—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using supply voltage with constant frequency and variable amplitude
    • H02P27/026—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using supply voltage with constant frequency and variable amplitude whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Direct Current Motors (AREA)
  • Protection Of Generators And Motors (AREA)
CH903469A 1969-06-13 1969-06-13 Electric speed control device for an alternating current asynchronous motor CH490759A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CH903469A CH490759A (en) 1969-06-13 1969-06-13 Electric speed control device for an alternating current asynchronous motor
DE19702011259 DE2011259A1 (en) 1969-06-13 1970-03-04 Electrical circuit for speed control of an alternating current asynchronous motor
GB1251162D GB1251162A (en) 1969-06-13 1970-06-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH903469A CH490759A (en) 1969-06-13 1969-06-13 Electric speed control device for an alternating current asynchronous motor

Publications (1)

Publication Number Publication Date
CH490759A true CH490759A (en) 1970-05-15

Family

ID=4347587

Family Applications (1)

Application Number Title Priority Date Filing Date
CH903469A CH490759A (en) 1969-06-13 1969-06-13 Electric speed control device for an alternating current asynchronous motor

Country Status (3)

Country Link
CH (1) CH490759A (en)
DE (1) DE2011259A1 (en)
GB (1) GB1251162A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2724815A1 (en) * 1977-06-02 1978-12-14 Bosch Gmbh Robert SPEED CONTROLLER FOR A UNIVERSAL MOTOR

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2724815A1 (en) * 1977-06-02 1978-12-14 Bosch Gmbh Robert SPEED CONTROLLER FOR A UNIVERSAL MOTOR

Also Published As

Publication number Publication date
DE2011259A1 (en) 1970-12-17
GB1251162A (en) 1971-10-27

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Legal Events

Date Code Title Description
PL Patent ceased