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Study on Control Strategy of Three Phase Photovoltaic Grid-connected System
Author(s): 
Pages: 43-46
Year: Issue:  3
Journal: ELECTRICAL ENGINEERING

Keyword:  光伏并网系统直接电流控制电压前馈固定开关频率;
Abstract: 本文分析了光伏并网发电系统的工作原理,针对光伏并网发电系统的功率输出级进行了PWM控制策略研究.提出了并网逆变器的直接电流控制策略,并采用电网电压前馈和固定开关频率的控制方案;获得了较快的电流响应速度,实现了并网电流的正弦化和单位功率因数.
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