非最小相位零点对弱联接条件下电压源型变流器并网系统稳定性影响机理分析

刘健芸; 吴广禄; 王姗姗; 谢依帆; 尹睿

doi:10.19421/j.cnki.1006-6357.2025.01.003

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非最小相位零点对弱联接条件下电压源型变流器并网系统稳定性影响机理分析

特别策划 | 更新时间：2025-10-15

- 非最小相位零点对弱联接条件下电压源型变流器并网系统稳定性影响机理分析
- 暂无标题
- 供用电 2025年第1期页码：24-33+42
- 作者机构：
  
  电网安全与节能国家重点实验室(中国电力科学研究院有限公司)
- 作者简介：
- 基金信息：
  
  北京市自然科学基金“高比例新能源并网系统非最小相位特性研究”（3234063）~~
- DOI：10.19421/j.cnki.1006-6357.2025.01.003
  中图分类号： TM46;TM712
- 纸质出版：2025
- 稿件说明：
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刘健芸, 吴广禄, 王姗姗, 等. 非最小相位零点对弱联接条件下电压源型变流器并网系统稳定性影响机理分析[J]. 供用电, 2025,(1):24-33+42.
刘健芸, 吴广禄, 王姗姗, 等. 非最小相位零点对弱联接条件下电压源型变流器并网系统稳定性影响机理分析[J]. 供用电, 2025,(1):24-33+42. DOI： 10.19421/j.cnki.1006-6357.2025.01.003.

DOI：

摘要

右半平面（right half plane

RHP）零点诱发的非最小相位响应会显著恶化控制系统的动态性能。构建了电压源型换流器并网系统的单输入单输出（single-input single-output

SISO）传递函数模型，揭示了弱联接条件下并网系统在整流/逆变运行模式、电网阻抗及运行状态等对RHP零点产生机制的影响机理，探明了SISO开环传递函数RHP零点与其非最小相位动态的关联机制，分析了并网系统RHP零点对锁相环等控制带宽的作用规律。基于MATLAB/Simulink验证了分析的正确性。

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