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Research on Hybrid Active Power Filtering Technology for Low-voltage DC Power Supply System
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Jianbiao LI1, Yongju LUO  Student Member, CPSS2, Yong CHEN1, Hongyuan WU1, Fangrui KANG  Student Member, CPSS2, Fang ZHUO  Senior Member, CPSS2
Journal of Power Supply | 2025, 23(3) : 86 - 95
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Journal of Power Supply | 2025, 23(3): 86-95
• Special Issue on Analysis and Control of Power Quality in New Power Systems •
Research on Hybrid Active Power Filtering Technology for Low-voltage DC Power Supply System
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Jianbiao LI1, Yongju LUO  Student Member, CPSS2, Yong CHEN1, Hongyuan WU1, Fangrui KANG  Student Member, CPSS2, Fang ZHUO  Senior Member, CPSS2
Affiliations
  • 1.DC Power Distribution Research Center, Guangdong Power Grid Co., Ltd., Zhuhai 519000, China
  • 2.School of Electrical Engineering, Xi’an Jiaotong University, Xi’an 710049, China
Published: 2025-05-30 doi: 10.13234/j.issn.2095-2805.2025.3.86
Outline
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With the advancement of the construction of photovoltaic, energy storage, DC and flexibility, the problem of harmonics in a low-voltage DC (LVDC) power supply system has received widespread attention. Compared with those of an AC system, the characteristics of a DC system are that the power supply and load are more decentralized, the proportion of power electronic equipment is higher, and the AC-DC coupling effect caused by interface converters is strong. Therefore, the problem of harmonics in the DC system indicates that both the low- and high-frequency harmonic peak-to-peak values may be high, and thus the classic harmonic analysis and control methods for the AC system are not completely applicable. To this end, the main harmonic sources for the LVDC power supply system are analyzed, and the mechanism and characteristics of the DC bus voltage harmonic problem caused by DC sources and load are revealed. Accordingly, a hybrid active power filtering harmonic voltage control technology is proposed for the harmonic sources of a broadband and decentralized DC system, which achieves the control of harmonics in the case of uncertain disturbance location and high- and low-frequency mixing, thus improving the power quality level of the LVDC power supply system. Finally, simulation results prove the effectiveness of the proposed scheme.

Low-voltage DC (LVDC) power supply system  /  broadband harmonics  /  hybrid active power filtering  /  DC bus voltage
李建标, 罗永驹中国电源学会学生会员, 陈勇, 吴宏远, 康方睿中国电源学会学生会员, 卓放中国电源学会高级会员. 低压直流供电系统混合有源滤波技术研究. 电源学报, 2025 , 23 (3) : 86 -95 . DOI: 10.13234/j.issn.2095-2805.2025.3.86
Jianbiao LI, Yongju LUO, Yong CHEN, Hongyuan WU, Fangrui KANG, Fang ZHUO. Research on Hybrid Active Power Filtering Technology for Low-voltage DC Power Supply System[J]. Journal of Power Supply, 2025 , 23 (3) : 86 -95 . DOI: 10.13234/j.issn.2095-2805.2025.3.86
Funding
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  • Science and Technology Project of China Southern Power Grid Co., Ltd.(GDKJXM20222633)
Appendix
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Year 2025 volume 23 Issue 3
39
7
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Article Info
doi: 10.13234/j.issn.2095-2805.2025.3.86
  • Receive Date：2024-12-08
  • Online Date：2026-10-26
  • Published：2025-05-30
Article Data
Affiliations
History
  • Received：2024-12-08
  • Revised：2025-02-09
  • Accepted：2025-02-28
Funding
Science and Technology Project of China Southern Power Grid Co., Ltd.(GDKJXM20222633)
Affiliations
    1.DC Power Distribution Research Center, Guangdong Power Grid Co., Ltd., Zhuhai 519000, China
    2.School of Electrical Engineering, Xi’an Jiaotong University, Xi’an 710049, China
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