High Frequency Medium Voltage Drive System For High Speed Machine Applications

In one aspect, a medium voltage power converter includes a plurality of slices each having: a transformer including a plurality of primary windings to couple to a utility source of input power and a plurality of secondary windings; and a plurality of power cubes coupled to the plurality of secondary windings, each of the plurality of power cubes comprising a low frequency front end stage, a DC link, and a high frequency silicon carbide (SiC) inverter stage to couple to a high frequency load or to a high speed machine. 一方面，一种中压功率转换器包括多个片段，每个具有：变压器，其包括：多个初级绕组以联接到输入功率的公用电源，以及多个次级绕组；以及联接到多个次级绕组的多个供电柜，多个供电柜中的每个包括低频前端级、DC链路和高频碳化硅(SiC)逆变器级，以联接到频率负载或高速机器。