馈线故障下E-FMSS直流电压干扰抑制策略

栾惟聪; 张春; 欧阳昌乐; 吴文泰

doi:10.19912/j.0254-0096.tynxb.2024-0958

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太阳能学报 ›› 2025, Vol. 46 ›› Issue (10) : 36-44. DOI: 10.19912/j.0254-0096.tynxb.2024-0958

馈线故障下E-FMSS直流电压干扰抑制策略

栾惟聪^1,2, 张春^1,2, 欧阳昌乐^1,2, 吴文泰^1,2

作者信息 +

DC VOLTAGE INTERFERENCE SUPPRESSION STRATEGY FOR E-FMSS UNDER FEEDER FAULT

Luan Weicong^1,2, Zhang Chun^1,2, Ouyang Changle^1,2, Wu Wentai^1,2

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文章历史 +

摘要

为提高储能型柔性多状态开关（E-FMSS）直流侧母线电压稳态性能,抑制其所连馈线发生故障时直流电压波动,提出一种改进模糊线性自抗扰控制器（LADRC）代替直流电压外环PID控制器。该改进模糊LADRC基于推导模型在线性扩张状态观测器（LESO）扰动估计的积分环节中额外并联一个比例环节以提高扰动估计的精准度,并考虑LESO对系统总扰动估计时的误差补偿,结合改进天牛须搜索算法的自抗扰参数整定方法实现模糊LADRC参数的在线优化。仿真结果表明,E-FMSS所连馈线故障时,所提策略可显著抑制E-FMSS的直流电压波动,各端口有功功率平滑过渡,系统能迅速恢复稳定,具有良好的抗扰动能力。

Abstract

In order to improve the steady-state performance of the bus voltage of the energy-storage flexible multi-state switch（E-FMSS）DC side and suppress the DC voltage fluctuation when the connected feeder fails, this paper proposes a PID controller with improved fuzzy linear self-disturbance resistance controller（LADRC） instead of the outer ring of DC voltage. The improved fuzzy LADRC, based on the derivation model, adds an additional proportional link in parallel in the integral link of the disturbance estimation of the linear extended state observer （LESO） to enhance the accuracy of the disturbance estimation, and considers the LESO for system total disturbance estimation error compensation. The online optimization of fuzzy LADRC parameters is achieved by combining the active anti-disturbance parameter tuning method of the improved beetle antennae search. Simulation results show that when the feeder connected by E-FMSS fails, the strategy proposed in this paper can significantly suppress the DC voltage fluctuation of E-FMSS, the active power of each port is smooth transition, the system can quickly recover stability, and has good disturbance resistance.

导出引用

栾惟聪, 张春, 欧阳昌乐, 吴文泰. 馈线故障下E-FMSS直流电压干扰抑制策略[J]. 太阳能学报. 2025, 46(10): 36-44 https://doi.org/10.19912/j.0254-0096.tynxb.2024-0958

Luan Weicong, Zhang Chun, Ouyang Changle, Wu Wentai. DC VOLTAGE INTERFERENCE SUPPRESSION STRATEGY FOR E-FMSS UNDER FEEDER FAULT[J]. Acta Energiae Solaris Sinica. 2025, 46(10): 36-44 https://doi.org/10.19912/j.0254-0096.tynxb.2024-0958

中图分类号： TM407

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