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Predictive Control of Multi-Level Single Phase Microinverter

机译:多级单相微逆变器的预测控制

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摘要

This paper presents a model predictive control (MPC) system for multi-level microinverter operated for the applications of module-based Photovoltaic (PV) configurations. A microinverter topology consists of switched capacitor (SC) networks, boost converter and single-phase inverter; all are integrated in one power stage and connected to single PV module. In this paper, a model predictive control system is introduced to reduce the steady state error of the grid-injected current and assure harvesting the maximum power from the PV module. In addition to enhance the response time during the transient condition and reduce the total harmonic distortion (THD) without using any modulation schemes. The proposed control on the multilevel microinverter topology is verified using MATLAB-Simulink and OPAL-RT LAB tools.
机译:本文介绍了用于基于模块的光伏(PV)配置应用的多级微型逆变器的模型预测控制(MPC)系统。微逆变器拓扑结构包括开关电容器(SC)网络,升压转换器和单相逆变器。所有组件都集成在一个功率级中,并连接到单个PV模块。本文介绍了一种模型预测控制系统,以减少电网注入电流的稳态误差,并确保从PV模块中获取最大功率。此外,在不使用任何调制方案的情况下,除了可以增加瞬态条件下的响应时间并降低总谐波失真(THD)外,还可以降低噪声。使用MATLAB-Simulink和OPAL-RT LAB工具验证了对多级微逆变器拓扑的建议控制。

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