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Dead-time Compensation Method for Si/SiC Hybrid Three-phase Three-level Grid-tied Converters with Discontinuous Pulse Width Modulation
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Yong ZHANG  Member, CPSS1, 2, Ying LU  Member, CPSS1, 2, Xiao SHEN  Student Member, CPSS3, Huizi ZHUGE  Student Member, CPSS3, Yuhang ZOU  Member, CPSS4, Li ZHANG  Senior Member, CPSS3
Journal of Power Supply | 2025, 23(4) : 89 - 99
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Journal of Power Supply | 2025, 23(4): 89-99
• DC-AC Inverters •
Dead-time Compensation Method for Si/SiC Hybrid Three-phase Three-level Grid-tied Converters with Discontinuous Pulse Width Modulation
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Yong ZHANG  Member, CPSS1, 2, Ying LU  Member, CPSS1, 2, Xiao SHEN  Student Member, CPSS3, Huizi ZHUGE  Student Member, CPSS3, Yuhang ZOU  Member, CPSS4, Li ZHANG  Senior Member, CPSS3
Affiliations
  • 1.Aiswei New Energy Technology (Yangzhong) Co., Ltd., Zhenjiang 212000, China
  • 2.Aiswei Technology Co., Ltd., Shanghai 200000, China
  • 3.School of Electrical and Power Engineering, Hohai University, Nanjing 210000, China
  • 4.Jiangsu Key Laboratory of New Energy Generation and Power Conversion (Nanjing University of Aeronautics and Astronautics), Nanjing 210000, China
Published: 2025-07-30 doi: 10.13234/j.issn.2095-2805.2025.4.89
Outline
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Compared with the continuous pulse width modulation scheme, the discontinuous pulse width modulation (DPWM) scheme can effectively reduce switching losses and is more suitable for converters with a high switching frequency. However, as the switching frequency increases, the proportion of dead time in the switching period rises, significantly affecting the harmonic performance of the converter. A dead-time compensation method for Si/SiC hybrid three-phase three-level grid-tied converters with DPWM is proposed. When the bridge-leg voltage is high-frequency switching, the impact of dead-time on the switching state will be eliminated by offsetting the modulation wave. When the bridge-leg voltage is clamped, the comparison logic between the modulation wave and the carrier wave will be improved to avoid unnecessary switching actions in the clamped phase and ensure sufficient dead time during the transition of clamping modes. Finally, an experimental platform of a three-phase three-level active clamped converter was set up to verify the feasibility and effectiveness of the proposed dead-time compensation method.

Dead-time compensation  /  discontinuous pulse width modulation (DPWM)  /  field programmable gate array (FPGA)  /  three-level grid-tied converter
张勇中国电源学会会员, 卢盈中国电源学会会员, 沈肖中国电源学会学生会员, 诸葛慧子中国电源学会学生会员, 邹宇航中国电源学会会员, 张犁中国电源学会高级会员. 异质开关三相三电平并网变流器断续脉宽调制死区补偿方法. 电源学报, 2025 , 23 (4) : 89 -99 . DOI: 10.13234/j.issn.2095-2805.2025.4.89
Yong ZHANG, Ying LU, Xiao SHEN, Huizi ZHUGE, Yuhang ZOU, Li ZHANG. Dead-time Compensation Method for Si/SiC Hybrid Three-phase Three-level Grid-tied Converters with Discontinuous Pulse Width Modulation[J]. Journal of Power Supply, 2025 , 23 (4) : 89 -99 . DOI: 10.13234/j.issn.2095-2805.2025.4.89
Funding
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  • National Natural Science Foundation of China(52177176)
  • Jiangsu Provincial Science and Technology Innovation Special Fund for Carbon Peak and Carbon Neutrality(BA2023108)
Appendix
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Year 2025 volume 23 Issue 4
57
15
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Article Info
doi: 10.13234/j.issn.2095-2805.2025.4.89
  • Receive Date：2024-07-25
  • Online Date：2026-10-26
  • Published：2025-07-30
Article Data
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History
  • Received：2024-07-25
  • Revised：2024-08-24
  • Accepted：2024-09-05
Funding
National Natural Science Foundation of China(52177176)
Jiangsu Provincial Science and Technology Innovation Special Fund for Carbon Peak and Carbon Neutrality(BA2023108)
Affiliations
    1.Aiswei New Energy Technology (Yangzhong) Co., Ltd., Zhenjiang 212000, China
    2.Aiswei Technology Co., Ltd., Shanghai 200000, China
    3.School of Electrical and Power Engineering, Hohai University, Nanjing 210000, China
    4.Jiangsu Key Laboratory of New Energy Generation and Power Conversion (Nanjing University of Aeronautics and Astronautics), Nanjing 210000, China
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表12种不同金属材料的力学参数
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