Commande intermittente de la machine à réluctance variable à double saillance

Abstract : The intermittent control aims to increase the efficiency of the machine-converter system by reducing the losses. In the purpose to maintain the average torque of the machine required by the load, this control increases the reference torque and turns off some phases during each electrical period or each mechanical period. By this fact, it reduces the converter losses and the ferromagnetic losses of the machine. It also has a freedom in the selection of the activated phases which influences the generated frequencies of the current, the radial force and the torque. Therefore, this strategy of the intermittent control, which is called sliding strategy, can avoid the excitation of the natural frequencies of the stator, or those of the drivetrain. It aims to reduce the negative effects of the intermittent control vis-à-vis the vibration of the stator and the pulsation of the drivetrain which are respectively at the origins of acoustic noise and mechanical jerks. Finally, the intermittent control is validated on driving cycles and can save up to 5.17 % of the consumed electrical energy.
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Submitted on : Friday, August 23, 2019 - 1:02:39 PM
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  • HAL Id : tel-02269857, version 1

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Duy-Minh Nguyen. Commande intermittente de la machine à réluctance variable à double saillance. Energie électrique. Université Paris-Saclay, 2019. Français. ⟨NNT : 2019SACLS197⟩. ⟨tel-02269857⟩

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