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为进一步降低建筑能耗,提出采用一种小型逆变装置为建筑进行补偿供电。为了提高小型光伏逆变装置的输出性能,降低输出电流畸变率,改善输出波形效果,采用一种基于瞬时电流直接控制的光伏逆变控制策略。通过仿真和实验,验证所用算法在光伏并网逆变装置上的可行性与实用性。
In order to further reduce the building energy consumption, a small inverter device is proposed to compensate the power supply of the building. In order to improve the output performance of a small photovoltaic inverter, reduce the output current distortion rate, and improve the output waveform effect, a photovoltaic inverter control strategy based on instantaneous current direct control is adopted. Through simulation and experiment, the feasibility and practicability of the algorithm used in PV grid-connected inverter are verified.