FR3082686B1 - METHOD FOR THERMAL PROTECTION OF A ROTATING ELECTRIC MACHINE - Google Patents

METHOD FOR THERMAL PROTECTION OF A ROTATING ELECTRIC MACHINE Download PDF

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Publication number
FR3082686B1
FR3082686B1 FR1855147A FR1855147A FR3082686B1 FR 3082686 B1 FR3082686 B1 FR 3082686B1 FR 1855147 A FR1855147 A FR 1855147A FR 1855147 A FR1855147 A FR 1855147A FR 3082686 B1 FR3082686 B1 FR 3082686B1
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France
Prior art keywords
rotor
duty cycle
electric machine
uexc
determining
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Active
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FR1855147A
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French (fr)
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FR3082686A1 (en
Inventor
Pierre-Francois Ragaine
Khadija El Baraka
Farouk Boudjemai
Laurent De Lamarre
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Valeo Equipements Electriques Moteur SAS
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Valeo Equipements Electriques Moteur SAS
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Application filed by Valeo Equipements Electriques Moteur SAS filed Critical Valeo Equipements Electriques Moteur SAS
Priority to FR1855147A priority Critical patent/FR3082686B1/en
Publication of FR3082686A1 publication Critical patent/FR3082686A1/en
Application granted granted Critical
Publication of FR3082686B1 publication Critical patent/FR3082686B1/en
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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
    • H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
    • H02P29/60—Controlling or determining the temperature of the motor or of the drive
    • 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
    • H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
    • H02P29/02—Providing protection against overload without automatic interruption of supply
    • H02P29/032—Preventing damage to the motor, e.g. setting individual current limits for different drive conditions

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Control Of Ac Motors In General (AREA)
  • Control Of Eletrric Generators (AREA)

Abstract

L'invention porte principalement sur un procédé de pilotage d'une machine électrique tournante, notamment pour véhicule automobile, caractérisé en ce qu'il comporte: - une étape de détermination d'une tension d'excitation limite (Uexc_lim) du rotor en fonction d'une vitesse de rotation (Wmel) du rotor et d'une température ambiante (Tamb) de la machine électrique tournante, - une étape de détermination d'un écart (ε ) entre une valeur relative à une tension d'excitation réelle (Uexc_r) du rotor et une valeur relative à la tension d'excitation limite (Uexc_lim) du rotor, - une étape d'application, sur l'écart (ε ) précédemment déterminé, d'un filtre (F) représentatif d'une constante de temps thermique de la machine électrique tournante pour obtenir un écart filtré (ε '), - une étape de détermination d'un rapport cyclique maximal (DClim) à partir de l'écart filtré (ε '), et - une étape d'application au rotor d'un rapport cyclique égal au minimum entre un rapport cyclique (DC_reg) issu d'une boucle de régulation et le rapport cyclique maximal (DClim) précédemment déterminé.The invention relates mainly to a method for controlling a rotary electric machine, in particular for a motor vehicle, characterized in that it comprises: - a step of determining a limit excitation voltage (Uexc_lim) of the rotor as a function a speed of rotation (Wmel) of the rotor and an ambient temperature (Tamb) of the rotary electric machine, - a step of determining a difference (ε) between a value relative to an actual excitation voltage ( Uexc_r) of the rotor and a value relating to the limit excitation voltage (Uexc_lim) of the rotor, - a step of applying, on the deviation (ε) previously determined, a filter (F) representative of a constant of thermal time of the rotating electrical machine to obtain a filtered difference (ε '), - a step of determining a maximum duty cycle (DClim) from the filtered difference (ε'), and - a step of application to the rotor of a duty cycle equal to the minimum between a duty cycle (DC_reg) from a control loop and the maximum duty cycle (DClim) previously determined.

FR1855147A 2018-06-13 2018-06-13 METHOD FOR THERMAL PROTECTION OF A ROTATING ELECTRIC MACHINE Active FR3082686B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1855147A FR3082686B1 (en) 2018-06-13 2018-06-13 METHOD FOR THERMAL PROTECTION OF A ROTATING ELECTRIC MACHINE

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1855147A FR3082686B1 (en) 2018-06-13 2018-06-13 METHOD FOR THERMAL PROTECTION OF A ROTATING ELECTRIC MACHINE
FR1855147 2018-06-13

Publications (2)

Publication Number Publication Date
FR3082686A1 FR3082686A1 (en) 2019-12-20
FR3082686B1 true FR3082686B1 (en) 2020-06-19

Family

ID=63145074

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1855147A Active FR3082686B1 (en) 2018-06-13 2018-06-13 METHOD FOR THERMAL PROTECTION OF A ROTATING ELECTRIC MACHINE

Country Status (1)

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FR (1) FR3082686B1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009055141A1 (en) * 2009-12-22 2011-06-30 Robert Bosch GmbH, 70469 Method for limiting the current output of an electric generator at a higher speed
FR2976422B1 (en) * 2011-06-08 2014-10-31 Valeo Equip Electr Moteur METHOD FOR CONTROLLING A RESISTANT TORQUE OF A MOTOR VEHICLE ALTERNATOR, AND SYSTEM FOR CARRYING OUT SAID METHOD
FR3021468B1 (en) * 2014-05-22 2017-11-03 Valeo Equip Electr Moteur ROTATING ELECTRIC MACHINE FOR MOTOR VEHICLE
CA3035307C (en) * 2016-09-02 2024-04-02 Kongsberg Inc. Techniques for limiting electrical current provided to a motor in an electric power steering system
DE102016220536A1 (en) * 2016-10-19 2018-04-19 Volkswagen Aktiengesellschaft Process for temperature derating of electrical machines

Also Published As

Publication number Publication date
FR3082686A1 (en) 2019-12-20

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