A Study of Power Quality Regulation Strategies of Energy Storage Converters

Huang Kaixiang; Ke Ziwei

doi:10.12052/gdutxb.250148

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A Study of Power Quality Regulation Strategies of Energy Storage Converters

更新时间：2026-05-27

- A Study of Power Quality Regulation Strategies of Energy Storage Converters
- Vol. 43, Issue 2, Pages: 74-80, 90(2026)
- 作者机构：
  
  广东工业大学自动化学院,广东,广州,510006
- 作者简介：
- 基金信息：
- DOI：10.12052/gdutxb.250148
  CLC： TM464
- Published：2026
- 稿件说明：
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黄楷翔, 柯子维. 储能变流器电能质量治理策略研究[J]. 广东工业大学学报, 2026, 43(2): 74-80.
黄楷翔, 柯子维. 储能变流器电能质量治理策略研究[J]. 广东工业大学学报, 2026, 43(2): 74-80. DOI： 10.12052/gdutxb.250148.

DOI： 10.12052/gdutxb.250148

摘要

低压配电网在高比例光伏接入后易出现电压过限、谐波增大等问题。储能变流器具备“四象限”输出特性，可实现对电网电压与谐波问题的协同治理。现有方法设置固定容量分别用于电压与谐波治理，可在一定程度上治理电能质量问题，但其灵活性不足。为解决上述问题，本文提出一种储能变流器电能质量治理策略，首先估计并网点线路阻抗，然后根据阻抗信息与电压信息执行对应的优化算法，最后合理分配储能变流器有功/无功功率用于电压治理，并将剩余容量用于谐波治理。该方案提升了电能质量治理的灵活性，并通过实验验证了其可行性。

Abstract

High penetration of photovoltaic generation in low-voltage distribution networks often leads to voltage limit violations and increased harmonic distortion. Owing to its four-quadrant output capability

an energy storage converter can be utilized for coordinated mitigation of voltage and harmonic issues. Existing approaches typically allocate fixed converter capacity for voltage regulation and harmonic compensation

which can improve power quality to a certain extent but suffer from limited flexibility. In this study

a power quality management strategy is proposed for energy storage converter. The line impedance at the point of common coupling is first estimated

and corresponding optimization algorithms are then executed based on the impedance and voltage information. Active and reactive power of the energy storage converter are optimally allocated for voltage regulation

while the remaining capacity is utilized for harmonic mitigation. The proposed strategy enhances the flexibility of power quality management

and its feasibility is verified through experimental results.

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references

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