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Analysis of the Flying-Capacitor Modular Multilevel Converter Based on SiC MOSFET
ID：192 View Protection：PUBLIC Updated Time：2020-10-15 20:11:50 Hits：784 Poster Presentation

Start Time：2020-11-04 15:05（Asia/Shanghai）

Duration：5min

Session：G Poster session » G2Poster Session 2 and Poster Session 7

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Abstract
   Reducing the capacitor voltage ripple amplitude of the modular multilevel converter (MMC) submodule is expected to reduce the capacitance of the module capacitors, which is very important for the increase of the power density. In the method of reducing capacitor voltage fluctuations of MMC submodule, flying-capacitor modular multilevel converter (FC-MMC) is widely regarded for its good performance. It is characterized by the connection of upper and lower arm middle taps through a flying capacitor in per phase arm. However, the reduction of the capacitance of flying capacitor requires an increase in switching frequency, which means high switching loss for the converter. Therefore, SiC MOSFET has a good application prospect in FC-MMC due to its low switching loss. This paper mainly compares the capacitor voltage fluctuation between FC-MMC and MMC, and the advantages of SiC MOSFET in FC-MMC applications.
Keywords
Modular multilevel converter, Submodule capacitor voltage ripple suppression, Flying-Capacitor modular multilevel converter, SiC MOSFET
Speaker
Kaiyuan Jing
The School of Electrical and Electronic Engineering,Huazhong University of Science and Technology, Wuhan 430074, China.

Submission Author
Kaiyuan Jing The School of Electrical and Electronic Engineering,Huazhong University of Science and Technology, Wuhan 430074, China.
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Important Date

  • Conference Date

    Nov 02

    2020

    to

    Nov 04

    2020

  • Oct 27 2020

    Draft paper submission deadline

  • Nov 03 2020

    Contribution Submission Deadline

  • Nov 04 2020

    Registration deadline

  • Nov 17 2020

    Final Paper Deadline

Sponsored By
IEEE IAS Student Chapter of Huazhong University of Science and Technology (HUST)
Organized By
Huazhong University of Science and Technology
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