切相控制方法及组串式光伏逆变器
本申请提供一种切相控制方法及组串式光伏逆变器。切相控制方法包括:在逆变器处于目标工作模式时,基于直流/直流变换支路的热损耗确定直流/直流变换支路的贡献度参数值,目标工作模式包括轻载或限功率运行模式;确定目标变换支路,目标变换支路为第一集合中贡献度参数值最小的直流/直流变换支路,第一集合包括直流/直流变换支路中处于运行状态的变换支路;对目标变换支路执行切相操作。本申请提供的技术方案可以提高切相效果与系统的运行稳定性。
APPLICANTS
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