混合微电网级联H桥整流器快速超螺旋多准谐振滑模控制

陶海军; 张晨杰; 郑征; 赵蒙恩; 宋佳瑶; 张国澎

doi:10.19912/j.0254-0096.tynxb.2024-0045

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太阳能学报 ›› 2025, Vol. 46 ›› Issue (5) : 119-127. DOI: 10.19912/j.0254-0096.tynxb.2024-0045

混合微电网级联H桥整流器快速超螺旋多准谐振滑模控制

陶海军^1,2, 张晨杰¹, 郑征^1,2, 赵蒙恩¹, 宋佳瑶¹, 张国澎^1,2

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FAST SUPER-TWISTING MULTI-QUASI-RESONANT SLIDING MODE CONTROL FOR CASCADED H-BRIDGE RECTIFIERS IN HYBRID MICROGRIDS

Tao Haijun^1,2, Zhang Chenjie¹, Zheng Zheng^1,2, Zhao Meng’en¹, Song Jiayao¹, Zhang Guopeng^1,2

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文章历史 +

摘要

为解决级联H桥整流器在负载突变时直流侧电压存在较大的超调量、电网电流存在低次谐波污染等问题,提出一种快速超螺旋多准谐振滑模算法。首先,建立级联H桥整流器在dq旋转坐标系下的数学模型,推导级联H桥整流器电网电流谐波分布的规律并分析其动态特性。其次,通过结合快速超螺旋滑模控制和多准谐振控制设计一种快速超螺旋多谐振滑模内环控制器,然后推导快速超螺旋多准谐振滑模的设计方程,并利用李雅普诺夫函数对其进行稳定性校验。实验结果表明,所提控制策略具有更小的电压超调和更短的动态响应时间,显著降低电网电流畸变率。

Abstract

In order to solve the problems of the cascaded H-bridge rectifiers, such as the existence of large overshoot of DC-side voltage and low-order harmonic distortion of grid current during sudden load changes, a fast super-twisting multi-quasi-resonant sliding mode algorithm is proposed. Firstly, the mathematical model of the cascaded H-bridge rectifier in the dq rotating coordinate system is established, and the law of the harmonic distribution of the grid current of the cascaded H-bridge rectifiers is deduced and its dynamic characteristics are analyzed. Secondly, a fast super-twisting multi-quasi-resonant sliding mode inner-loop controller is designed by combining the fast super-twisting multi-resonant sliding mode control and multi-quasi-resonant control, and then the design equations of the fast super-twisting multi-resonant sliding mode are deduced, and the stability is verified using the Lyapunov function. The experimental results show that the proposed control strategy has smaller voltage overshoot and shorter dynamic response time, which significantly reduces the grid current distortion rate.

导出引用

陶海军, 张晨杰, 郑征, 赵蒙恩, 宋佳瑶, 张国澎. 混合微电网级联H桥整流器快速超螺旋多准谐振滑模控制[J]. 太阳能学报. 2025, 46(5): 119-127 https://doi.org/10.19912/j.0254-0096.tynxb.2024-0045

Tao Haijun, Zhang Chenjie, Zheng Zheng, Zhao Meng’en, Song Jiayao, Zhang Guopeng. FAST SUPER-TWISTING MULTI-QUASI-RESONANT SLIDING MODE CONTROL FOR CASCADED H-BRIDGE RECTIFIERS IN HYBRID MICROGRIDS[J]. Acta Energiae Solaris Sinica. 2025, 46(5): 119-127 https://doi.org/10.19912/j.0254-0096.tynxb.2024-0045

中图分类号： TM461

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