Three phase Semi-Z-Source Inverter for PV Applications
Conference: PCIM Europe 2019 - International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management
05/07/2019 - 05/09/2019 at Nürnberg, Deutschland
Proceedings: PCIM Europe 2019
Pages: 6Language: englishTyp: PDF
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Authors:
Abdelrahem, Mohamed; Kennel, Ralph (Institute for Electrical Drive Systems and Power Electronics (EAL), Technical University of Munich (TUM), Munich, Germany)
Ismeil, Mohamed A. (Aswan Power Electronics Applications Research Center (APEARC), Aswan University, Aswan, Egypt & Electrical Engineering Department, Faculty of Engineering, South Valley University, Egypt)
Orabi, Mohamed (Aswan Power Electronics Applications Research Center (APEARC), Aswan University, Aswan, Egypt)
Abstract:
In this paper, a three phase Semi-Z-Source Inverter (SZSI) with Maximum Power Point Tracking (MPPT) algorithm for Photovoltaic (PV) applications is presented. The proposed system is able to track the maximum power point of the PV array and produce an AC voltage at its output by using a nonlinear Sinusoidal Pulse Width Modulation (SPWM). The proposed SZSI shares the same reference between the DC side and AC side, which led to reduce the common mode voltage and work as four wire topologies. Different from the traditional Z-source/quasi-Z-source inverter families, shoot-through zero state is not applicable to the semi-Z-source inverter. In addition, it reduces the THD as well as DC current components at the output during DC-AC conversion. The feasibility of the proposed SZSI is verified by simulation results.