基于交错并联VDCM的新能源充电站一体化系统稳定控制

薛宇; 高博麟; 贺彬; 钟薇; 梁子泳; 曹家乐

doi:10.19912/j.0254-0096.tynxb.2024-1667

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太阳能学报 ›› 2025, Vol. 46 ›› Issue (6) : 376-384. DOI: 10.19912/j.0254-0096.tynxb.2024-1667

基于交错并联VDCM的新能源充电站一体化系统稳定控制

薛宇¹, 高博麟¹, 贺彬², 钟薇¹, 梁子泳¹, 曹家乐²

作者信息 +

STABILITY CONTROL OF NEW ENERGY CHARGING STATION INTEGRATED SYSTEM BASED ON INTERLEAVED PARALLEL VDCM

Xue Yu¹, Gao Bolin¹, He Bin², Zhong Wei¹, Liang Ziyong¹, Cao Jiale²

Author information +

文章历史 +

摘要

传统的控制策略在面对高功率充电需求和电网电压波动时难以适应实际需求。为此,提出基于交错并联虚拟直流电机（VDCM）控制策略以期提高新能源充电站稳定运行能力。将交错并联DC/DC应用到充电站拓扑结构中,有效减小电动车充电站输出电流纹波,提高充电站的电能质量和稳定性;同时引入VDCM控制策略,为新能源充电站输出提供稳定可靠的惯量、阻尼支撑,实现对新能源充电站输出电压和电流的精确控制。基于小信号模型分析了转动惯量及阻尼系数对充电系统稳定性的影响情况,并通过Matlab/Simulink搭建的仿真模型分别选用电动汽车和电动重卡两种车型接入/断开充电站进行仿真验证。

Abstract

Conventional control strategies are difficult to adapt to the actual demand changes when encountering high power charging demand and grid voltage fluctuations. To this end, the interleaved parallel virtual DC machine control strategy is used to improve the stable operation capability of new energy charging station in this paper. The interleaved parallel DC/DC converter is used in the charging station system, which can effectively reduce the electric vehicle charging station output current ripple and improve the power quality and stability of the charging station; Meanwhile, the DC/DC converter using VDCM control strategy can provide stable and reliable inertia and damping support for the output of the new energy charging station, which realizes the precise control of the output voltage and current of the new energy charging station. Finally, the small signal model is used to analyses the effect of rotational inertia and damping coefficients on the stability of the charging system. And the physical simulation model of the new energy charging system is constructed based on the Matlab/Simulink software, which was used to simulate and validate the two models of electric cars and electric heavy trucks to connect/disconnect the charging station.

导出引用

薛宇, 高博麟, 贺彬, 钟薇, 梁子泳, 曹家乐. 基于交错并联VDCM的新能源充电站一体化系统稳定控制[J]. 太阳能学报. 2025, 46(6): 376-384 https://doi.org/10.19912/j.0254-0096.tynxb.2024-1667

Xue Yu, Gao Bolin, He Bin, Zhong Wei, Liang Ziyong, Cao Jiale. STABILITY CONTROL OF NEW ENERGY CHARGING STATION INTEGRATED SYSTEM BASED ON INTERLEAVED PARALLEL VDCM[J]. Acta Energiae Solaris Sinica. 2025, 46(6): 376-384 https://doi.org/10.19912/j.0254-0096.tynxb.2024-1667

中图分类号： TK89

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