A New MPC-5LRSS High Power Factor Converter

In this paper, a five level improved power factor converter with reduced switching states (RSS) is proposed for AC-DC power conversion stage in direct connected wind energy conversion system. The structure of converter is as similar with conventional multi point clamped (MPC) multilevel converter (MLC) topologies, such as Diode Clamped Converter (DCC), Flying Capacitor Converter etc.. However, there is no need of additional devises to clamp intermediate DC link voltages. Therefore, the proposed conversion system is more compact and cost effective. In addition, The required standing voltage across power semiconductor devices which are used in the proposed topology is minimum thereby, the efficiency of the system is high. The real time large scale system parameters are used to validate the performance in software platform. Moreover, the down scaled system parameters are used to validate performance of proposed configuration in downscale experimentation in laboratory.