
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)
Published:2025
移动端阅览
[J]. 2025, (1): 24-33+42.
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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