三相无变压器直流旁路光伏逆变器漏电流抑制评估

In transformerless photovoltaic (PV) systems, the leakage current reduction is one of the most important issues. Many interesting single-phase dc-bypass transformerless PV inverters have been proposed for the leakage current reduction, and there is a well-known conclusion that the clamping topology is better than the unclamping one in terms of leakage current reduction. However, is this conclusion...