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In this paper, a novel wind power generation system is proposed which uses an intermediate high frequency (few kHz) AC link for power conversion. The high frequency AC link is achieved by using a reduced switch-count three-phase power electronic transformer (PET). There are two primary windings and one secondary winding in each phase of the PET. The primary windings are coupled in exact phase opposition...
In this paper, a new space vector PWM strategy for a matrix converter based open-end winding drive is presented. This modulation strategy enhances the capability of drive system to supply reactive power to the grid while eliminating switching common-mode voltage at the machine terminals. The enhanced reactive power support is possible due to the following new features of the proposed PWM strategy:...
In this paper, a novel topology for a three-phase high-frequency power electronic transformer is proposed. In each phase, there are two mutually-coupled primary windings and one secondary winding. On the high-voltage side of the transformer, only two controlled switches are required to create a three-phase high frequency ac link. This is a significant reduction in the required number of controlled...
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