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FR2304210A1 - Electronic regulator for squirrel cage induction motors - permits variation of speed with torque equal to or greater than nominal torque using diodes and thyristors - Google Patents

Electronic regulator for squirrel cage induction motors - permits variation of speed with torque equal to or greater than nominal torque using diodes and thyristors

Info

Publication number
FR2304210A1
FR2304210A1 FR7507659A FR7507659A FR2304210A1 FR 2304210 A1 FR2304210 A1 FR 2304210A1 FR 7507659 A FR7507659 A FR 7507659A FR 7507659 A FR7507659 A FR 7507659A FR 2304210 A1 FR2304210 A1 FR 2304210A1
Authority
FR
France
Prior art keywords
speed
torque
thyristors
diodes
electronic regulator
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Withdrawn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
FR7507659A
Other languages
French (fr)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7507659A priority Critical patent/FR2304210A1/en
Publication of FR2304210A1 publication Critical patent/FR2304210A1/en
Withdrawn legal-status Critical Current

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
    • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/16—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring
    • H02P25/24—Variable impedance in stator or rotor circuit
    • H02P25/26—Variable impedance in stator or rotor circuit with arrangements for controlling secondary impedance

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Ac Motors In General (AREA)
  • Control Of Multiple Motors (AREA)

Abstract

The electronic regulator enables the motor speed to be controlled from zero up to a speed close to synchronising speed. The motor torque having values greater than normal. The rotor currents are supported via a mixed diode-thyristor bridge. The rotor currents being rectified in a controlled manner by this bridge and are then fed into a resistance. Each value of current corresponds to a given speed of rotation. A frequency reduction process of the thyristors firing pulses ensures a reduction in their angle of conduction, and thus reduces the rotor current. The result of which is a slowing down of the motor.
FR7507659A 1975-03-12 1975-03-12 Electronic regulator for squirrel cage induction motors - permits variation of speed with torque equal to or greater than nominal torque using diodes and thyristors Withdrawn FR2304210A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7507659A FR2304210A1 (en) 1975-03-12 1975-03-12 Electronic regulator for squirrel cage induction motors - permits variation of speed with torque equal to or greater than nominal torque using diodes and thyristors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7507659A FR2304210A1 (en) 1975-03-12 1975-03-12 Electronic regulator for squirrel cage induction motors - permits variation of speed with torque equal to or greater than nominal torque using diodes and thyristors

Publications (1)

Publication Number Publication Date
FR2304210A1 true FR2304210A1 (en) 1976-10-08

Family

ID=9152448

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7507659A Withdrawn FR2304210A1 (en) 1975-03-12 1975-03-12 Electronic regulator for squirrel cage induction motors - permits variation of speed with torque equal to or greater than nominal torque using diodes and thyristors

Country Status (1)

Country Link
FR (1) FR2304210A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2811302A1 (en) * 1978-03-15 1979-09-27 Kuznecov Induction motor starting and speed controller - operates with thyristor switching in rotor circuit and rotor voltage is used as feedback signal
DE3113361A1 (en) * 1980-04-02 1982-07-08 Proizvodstvennoe ob"edinenie Dinamo, Moskva Control method and device for the rotation speed of at least one asynchronous motor
RU2408973C1 (en) * 2009-12-23 2011-01-10 Государственное образовательное учреждение высшего профессионального образования "Южно-Уральский государственный университет" (ГОУ ВПО "ЮУрГУ") Asynchronous electric drive with phase-wound rotor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2811302A1 (en) * 1978-03-15 1979-09-27 Kuznecov Induction motor starting and speed controller - operates with thyristor switching in rotor circuit and rotor voltage is used as feedback signal
DE3113361A1 (en) * 1980-04-02 1982-07-08 Proizvodstvennoe ob"edinenie Dinamo, Moskva Control method and device for the rotation speed of at least one asynchronous motor
RU2408973C1 (en) * 2009-12-23 2011-01-10 Государственное образовательное учреждение высшего профессионального образования "Южно-Уральский государственный университет" (ГОУ ВПО "ЮУрГУ") Asynchronous electric drive with phase-wound rotor

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Legal Events

Date Code Title Description
ST Notification of lapse