A Reactive Power Compensation Strategy with Active Regulation for Photovoltaic Power Plants Based on the Improved Holomorphic Embedding Method

余笑东; 凌煦; 王源; 奚江惠; 项兴尧; 唐飞

doi:10.3969/j.issn.1008-0198.2025.06.011

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A Reactive Power Compensation Strategy with Active Regulation for Photovoltaic Power Plants Based on the Improved Holomorphic Embedding Method

更新时间：2026-02-06

- A Reactive Power Compensation Strategy with Active Regulation for Photovoltaic Power Plants Based on the Improved Holomorphic Embedding Method
- Vol. 45, Issue 6, Pages: 84-90(2025)
- 作者机构：
  
  1. 国家电网有限公司华中分部,湖北,武汉,430077
  2. 武汉大学电气与自动化学院,湖北,武汉,430072
  3. 湖北省交直流智能配电网工程技术研究中心,湖北,武汉,430072
  4. 国网湖北省电力有限公司十堰供电公司,湖北,十堰,442000
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.1008-0198.2025.06.011
  CLC： TM714
- Online First：13 January 2026，
  
  Published：2025
- 稿件说明：
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余笑东, 凌煦, 王源, 奚江惠, 项兴尧, 唐飞. 基于改进全纯嵌入法的含光伏电站主动调节无功补偿策略[J]. 湖南电力, 2025, 45(6): 84-90.

余笑东, 凌煦, 王源, et al. A Reactive Power Compensation Strategy with Active Regulation for Photovoltaic Power Plants Based on the Improved Holomorphic Embedding Method[J]. 2025, 45(6): 84-90.
余笑东, 凌煦, 王源, 奚江惠, 项兴尧, 唐飞. 基于改进全纯嵌入法的含光伏电站主动调节无功补偿策略[J]. 湖南电力, 2025, 45(6): 84-90. DOI： 10.3969/j.issn.1008-0198.2025.06.011.

余笑东, 凌煦, 王源, et al. A Reactive Power Compensation Strategy with Active Regulation for Photovoltaic Power Plants Based on the Improved Holomorphic Embedding Method[J]. 2025, 45(6): 84-90. DOI： 10.3969/j.issn.1008-0198.2025.06.011.

摘要

随着分布式新能源大量接入配电网

主网潮流变轻

静态电压偏高且难以控制

而现有的集中式光伏电站静止无功发生器（static var generator

SVG）设备的无功补偿能力却未充分利用。针对以上问题

提出一种基于改进全纯嵌入法的含光伏电站主动调节的无功补偿策略

对传统全纯嵌入潮流法进行改进

构建改进全纯嵌入潮流模型

充分利用集中式光伏电站的无功补偿能力

并进行额外无功补偿设备的选址定容

提高电力系统电压稳定性

降低无功补偿设备的投资成本。以改进后的IEEE 39节点系统为算例

仿真结果表明

电力系统电压稳定性得到有效提高

同时无功补偿装置配置总容量减少了约20%。

Abstract

With the large-scale integration of distributed new energy into distribution networks

the main grid power flow weakens

causing excessively high and hard-to-regulate static voltage. However

the reactive power compensation capacity of static var generator (SVG) in existing centralized photovoltaic (PV) power plants remains underutilized. To solve these issues

a reactive power compensation strategy with active adjustment for PV-integrated power plants based on an improved holomorphic embedding method (HEM) is proposed. The traditional holomorphic embedding power flow (HEPF) method is modified to build an improved HEPF model

which fully utilizes the reactive power compensation capacity of centralized PV power plants and optimizes the siting and sizing of additional reactive power compensation devices. This strategy enhances power system voltage stability and reduces the investment cost of such devices. Simulations on a modified IEEE 39-bus system show that the power system voltage stability is effectively improved

and the total installed capacity of reactive power compensation devices is reduced by approximately 20%.

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references

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