Integrated motor drives (IMDs) can deliver substantial economic benefits by replacing low-efficiency fixedspeed motors with compact adjustable-speed drives that combine the power electronics and motor into the same physical structure. IMDs are currently implemented using voltage-source inverters since this topology is naturally compatible with conventional silicon-based power devices. However, major advances in the development of new types of power semiconductor switches made from wide-bandgap (WBG) semiconductor materials such as silicon carbide and gallium nitride open intriguing opportunities for the development of reverse-voltage-blocking switches that are well-suited for use in current-source inverters (CSIs). These WBG power switches are capable of operating efficiently at high switching frequencies ($>100$ kHz) and high junction temperatures ($>200\text{C}$). Since the selection of the inverter topology is highly dependent on the power device characteristics, the emergence of power devices with new semiconductor properties demands a reevaluation of the system configuration. This paper investigates the combination of new WBG power devices and CSIs for use in integrated motor drive applications, identifying several promising features that are now undergoing further investigation.


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    Title :

    Current-Source Inverters for Integrated Motor Drives using Wide-Bandgap Power Switches


    Contributors:


    Publication date :

    2018-06-01


    Size :

    2595605 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English





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