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Research on Power Characteristics and Active Damping and Decoupling Control of Current Source PWM Rectifier for DC Ice-melting Application
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Huarong ZENG1, 2, Tianji ZHOU3, Qi YANG1, 2, Kui XU2, 4, Xiaohong MA2, 4, Biao ZHAO3
Journal of Power Supply | 2025, 23(7) : 45 - 54
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Journal of Power Supply | 2025, 23(7): 45-54
• AC-DC Converters •
Research on Power Characteristics and Active Damping and Decoupling Control of Current Source PWM Rectifier for DC Ice-melting Application
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Huarong ZENG1, 2, Tianji ZHOU3, Qi YANG1, 2, Kui XU2, 4, Xiaohong MA2, 4, Biao ZHAO3
Affiliations
  • 1.Electric Power Research Institute, Guizhou Power Grid Co., Ltd., Guiyang 550002, China
  • 2.Joint Laboratory of Ice Prevention and Disaster Reduction, China Southern Power Grid Co., Ltd., Guiyang 550002, China
  • 3.Department of Electrical Engineering and Applied Electronic Technology, Tsinghua University, Beijing 100084, China
  • 4.Kaili Power Supply Bureau, Guizhou Power Grid Co., Ltd., Qiandongnan Miao and Dong Autonomous Prefecture 556099, China
Published: 2025-11-30 doi: 10.13234/j.issn.2095-2805.2025.7.45
Outline
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A current source pulse width modulation (PWM) rectifier has advantages of continuously adjustable current and strong capability to limit the short-circuit current, which is suitable for DC ice-melting application. However, it still has problems of a low switching frequency and a low filter cut-off frequency, possibly causing the problem of harmonic amplification. The active and reactive characteristics of the current source PWM converter are studied under constant-current load and constant-resistance load conditions, which is helpful in designing an LC filter to realize the high power factor of the rectifier. On the basis of stability analysis, a controller based on active damping and decoupling control is designed. Simulation results show that compared with the traditional non-decoupling control, the proposed method has better DC transient characteristics, so that it can effectively suppress lower-order harmonic current to eliminate the possible problem of harmonic amplification.

Current source pulse width modulation (PWM) rectifier  /  power characteristic  /  low-order harmonic suppression  /  active damping and decoupling control
曾华荣, 周天吉, 杨旗, 许逵, 马晓红, 赵彪. 直流融冰电流源PWM整流器的功率特性分析及有源阻尼与解耦控制研究. 电源学报, 2025 , 23 (7) : 45 -54 . DOI: 10.13234/j.issn.2095-2805.2025.7.45
Huarong ZENG, Tianji ZHOU, Qi YANG, Kui XU, Xiaohong MA, Biao ZHAO. Research on Power Characteristics and Active Damping and Decoupling Control of Current Source PWM Rectifier for DC Ice-melting Application[J]. Journal of Power Supply, 2025 , 23 (7) : 45 -54 . DOI: 10.13234/j.issn.2095-2805.2025.7.45
Funding
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  • Technology Project of China Southern Power Grid Co., Ltd.(066600KK52210005)
  • National Natural Science Foundation of China(51877116)
Appendix
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Year 2025 volume 23 Issue 7
49
6
Cite this Article
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Article Info
doi: 10.13234/j.issn.2095-2805.2025.7.45
  • Receive Date：2022-10-15
  • Online Date：2026-10-26
  • Published：2025-11-30
Article Data
Affiliations
History
  • Received：2022-10-15
  • Revised：2023-03-09
  • Accepted：2023-03-23
Funding
Technology Project of China Southern Power Grid Co., Ltd.(066600KK52210005)
National Natural Science Foundation of China(51877116)
Affiliations
    1.Electric Power Research Institute, Guizhou Power Grid Co., Ltd., Guiyang 550002, China
    2.Joint Laboratory of Ice Prevention and Disaster Reduction, China Southern Power Grid Co., Ltd., Guiyang 550002, China
    3.Department of Electrical Engineering and Applied Electronic Technology, Tsinghua University, Beijing 100084, China
    4.Kaili Power Supply Bureau, Guizhou Power Grid Co., Ltd., Qiandongnan Miao and Dong Autonomous Prefecture 556099, China
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