Harmonics Reduction and Fault Analysis of Three-Phase Two-Level and Three-Level Quasi Z-Source Inverter

Due to the increased consumption of the fossil fuels the reserves of fossil fuels are decreasing day by day. Keeping this fact world is shifting to the clean and renewable energy resources to produce electricity. The current operational devices are operated on an alternating current (AC) voltage. A large amount of the energy collected from the renewable energy sources is in the direct current (DC) form. A DC to AC conversion requires proper operation of the inverter. The main objective of this research paper is to analyze the behavior of two level and three level QZS inverter for the processes of the energy conversion during the normal and faulty condition. A new filter is also designed to minimize the effects of the harmonics during normal and faulty conditions.