کنفرانس بین المللی ماشین و محرکه های الکتریکی

صفحه اصلی / The 3rd International Conference on Electrical Machines and Drives

Comparative Performance Analysis of Constant and Variable DC Bus Current CSI-Fed PMSM Drive in a Wide Range of Speed and Torque

نویسندگان :

Hossein Azizi moghaddam¹ Amirhossein Ramezankhani²

1- Electrical Machines Research Group, Niroo Research Institute, Tehran, Iran 2- Electrical Machines Research Group, Niroo Research Institute, Tehran, Iran

کلمات کلیدی :

CSI inverter،current ripple،PMSM drive،Gallium nitride Fet،silicon carbide Mosfet،Buck converter

چکیده :

Current source-fed (CSI-fed) PMSM drive has advantages over VSI due to its higher power density, higher efficiency, high temperature, lower noise level, and EMC, and replacing DC link capacitor by inductor (as a result reducing volume and weight). By considering the increasing use of high switching frequency wide band gap (WBG) switches (silicon carbide and gallium nitride switches) in new generation converters, the CSI type is preferred due to its special advantages. Different constructions of CSI-fed PMSM drives have been proposed, in all of which the feeding of the CSI is provided through a voltage-to-current converter. In this paper, Comparative performance analysis of constant and variable DC bus current Buck-CSI-fed PMSM drive are evaluated in the view of power losses and efficiency, DC link current ripple, as well as thermal stresses of switches. For accurate modeling of the WBG switches, the simulation of the drive system has been carried out in PLECS software. The simulation results show that the variable DC bus current Buck-CSI fed PMSM drive configuration has better performance for a wide range of torque and speed

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