微电网并网逆变器集中控制功率共享方案

M. Roslan, S. Azmi, B. Ismail, M. Azizan, S. Lee
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引用次数: 4

摘要

本文提出了一种新的控制方案,该方案允许以孤岛模式运行的微电网连接的并联逆变器之间的任意功率共享。该方案在一个中央控制器中处理所有逆变器的有功和无功输出功率信息,该控制器根据每个逆变器输出功率的期望比率计算每个逆变器的设定点。这就需要调整逆变器的终端电压(相位和幅值)相对于公共交流母线的电压。利用MATLAB/Simulink仿真验证了功率共享方案,并将三个三相并联逆变器连接到多个无源负载上。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Centralize control power sharing scheme of parallel connected inverters for microgrids
This paper presents a new control scheme that permits arbitrary power sharing between parallel inverters connected to a microgrid operating in island mode. The scheme processes the active and reactive output power information from all the inverters in a central controller that calculates the set-points for each inverter, based on the desired ratios of their output powers. This necessitates adjustment of the inverters' terminal voltages (phase and magnitude) relative to the voltage at the common ac bus. The power-sharing scheme is validated using MATLAB/Simulink simulation from three three-phase parallel inverters connected to a number of passive loads.
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