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13 / 2024-06-15 22:30:07
An Optimized Design of Active Current Source Driver for Mitigating Overshoot and Reducing Switching Losses in SiC MOSFETs
wide bandgap semiconductor; active current source gate drivers (ACSD); overshoot; EMI.
2.Power Electronics Technology and Application > 2.Control, modeling, and optimization of power converter
终稿
Xiaokang Zhang / Hunan University
Ziyao Zhang / Hunan University
Qiao Li / Hunan University
Yue Wu / CSG Electric Power Research Institute Co.； Ltd.、China Southern Power Grid
Yuebin Zhou / State Key Laboratory of HVDC (Electric Power Research Institute, China Southern Power Grid)
Gate driver techniques are crucial for managing the switching dynamics of wide bandgap (WBG) semiconductor devices. Unlike voltage source gate drivers, current source gate drivers reduce switching losses by maintaining a relatively constant current during the gating process. However, this advantage is counterbalanced by increased overshoot, oscillation, and electromagnetic interference (EMI) noise. To address these challenges, an optimal active current source gate driver (ACSD) is proposed that meets the conflicting requirements of low switching losses and suppression of overshoot and oscillation by dynamically adjusting the driver current level. The effectiveness of this technique is demonstrated through both theoretical analysis and simulation validation.

 
重要日期

  • 会议日期

    11月06日

    2024

    至

    11月08日

    2024

  • 09月15日 2024

    初稿截稿日期

  • 11月08日 2024

    注册截止日期

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Huazhong University of Science and Technology
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