【摘 要】
：
将预测直接功率控制（P-DPC）策略引入配电网静止同步补偿器（D-STATCOM）的控制研究中,电网电压不对称时,公共连接点（PCC）处的二倍频的瞬时功率脉动会导致D-STATCOM的输出电流总谐波畸
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将预测直接功率控制（P-DPC）策略引入配电网静止同步补偿器（D-STATCOM）的控制研究中,电网电压不对称时,公共连接点（PCC）处的二倍频的瞬时功率脉动会导致D-STATCOM的输出电流总谐波畸变率（THD）增大。详细分析了电网电压不对称度与谐波含有率的关系,提出通过瞬时对称分量法提取各电气采集量的正序分量计算瞬时功率反馈值,再根据正序等效电路推导出所需的功率预测模型。由正序功率控制代替全功率控制,实现对补偿电流幅值和相位的控制。不仅抑制了谐波的产生,且消除了电网负序电压对装置的过流威胁。最后利用仿
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