浙江电力2026，Vol.45Issue(4)：93-103,11.DOI:10.19585/j.zjdl.202604009
基于暂态动能耗散的匹配控制型构网变流器低频振荡抑制策略
A low-frequency oscillation suppression strategy for matching control-based grid-forming converters using transient kinetic energy dissipation
摘要
Abstract
Matching control based on the dynamics of the DC-link capacitor voltage is a widely used grid-forming(GFM)control approach.Its basic control logic is established by leveraging the equivalence between the capacitor voltage equation and the rotor motion equation.However,because the DC-link capacitor inherently lacks physical damping,fluctuations in the DC voltage can easily couple into low-frequency oscillations during operation.Although adding a resistor across the capacitor can prevent such oscillations,it also introduces considerable power loss.From an energy-based perspective,this paper reveals the fundamental energy mechanism by which DC voltage fluctua-tions induce low-frequency oscillations.Based on an analysis of transient energy,an enhanced matching control method is proposed,which incorporates a high-pass filtered feedback loop to achieve rapid dissipation of transient energy.Finally,simulation results verify the effectiveness of the proposed method,demonstrating that it alleviates the low-frequency oscillation associated with matching control.关键词
构网型变流器/匹配控制/稳定性分析/能量视角/虚拟阻尼Key words
grid-forming converter/matching control/stability analysis/energy-based perspective/virtual damping引用本文复制引用
高红梅,李勇,孟祥丞,王志浩,张海城,张琳,鲍威宇..基于暂态动能耗散的匹配控制型构网变流器低频振荡抑制策略[J].浙江电力,2026,45(4):93-103,11.基金项目
山东省自然科学基金青年基金(ZR2024QE189) （ZR2024QE189）
国网山东省电力公司科技项目(520615240002) （520615240002）
