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一种降低计算负担的七电平逆变器模型预测电流控制

Model Predictive Current Control of a Seven-Level Inverter With Reduced Computational Burden

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中文摘要

多电平拓扑因其低损耗、高电能质量及无需接口变压器等优势,在中压大功率应用中备受关注。本文针对多电平逆变器,提出了一种降低计算负担的模型预测电流控制(MPC)策略,旨在实现更高效、更简化的控制器设计,提升功率变换器的控制性能。

English Abstract

Multilevel topologies gained considerable attention in medium-voltage high-power applications due to their advantages over classic two-level inverters, such as lower loss, higher power quality, and eliminating interface transformers. Moreover, vast research has been done in order to improve the control of the power converters to achieve more efficient and simple controllers. Model predictive contr...
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SunView 深度解读

该研究针对多电平逆变器提出低计算量MPC算法,对阳光电源的集中式逆变器及大型储能变流器(如PowerTitan系列)具有重要参考价值。随着光伏与储能系统向更高电压等级(如1500V及以上)发展,多电平拓扑是提升效率与功率密度的关键。降低MPC的计算负担有助于在现有DSP/FPGA平台上实现更复杂的控制逻辑,提升系统动态响应速度和并网电能质量。建议研发团队评估该算法在多电平PCS中的移植可行性,以优化大功率产品的控制性能。