LC-Z-Source Inverter Design and Control

The paper presents a new Z-source inverter with a low-stress reduction in the voltage of capacitors compared to the traditional Z-source inverter with the same boost factor. The proposed structure reduces costs and weight by reducing voltage capacitors. The main difference between this inverter and the traditional Z-source inverter lies in the arrangement of the components. In addition, the superiority of the proposed inverter over the L-Z-source inverter is related to the use of two capacitors instead of two diodes, which increases the boost power factor and obviates the need for the snubber circuit. Furthermore, another advantage of the proposed inverter can be extended to n cases in cascade form and the proposed inverter is continues current. The analysis, derivation of boost factor, capacitor voltages, voltages gain, and switch stress of the proposed inverter topology are carried out and are compared with the similar inverters. The advantages of the proposed structure are verified by simulation and implementation.