Design and analysis of two input-one output converter based on quadratic boost converter to increase reliability of using renewable sources

Document Type : Power Article

Authors

Department of electrical engineering, faculty of energy, Kermanshah University of technology

Abstract

Nowadays, solar arrays and wind energy are considered as many renewable energy sources. These sources can deliver their energy to the grid or directly to the consumer. In power electronics, multi-input converters are commonly used to convert the energy of renewable energy sources into the power required by the grid. In this article, a high-gain non-insulated three-port converter based on a quadratic boost converter has been proposed. This converter includes two power supplies with controllable currents. This improves the performance of the converter and reduces the ripple current of the input sources. In addition, the proposed converter has two operating modes and can work with one or two voltage sources. To design a high-gain multi-input converter, first the structure and performance of the proposed converter are thoroughly analyzed and evaluated Then, using MATLAB software, the stability of the proposed converter is checked and the output voltage and input currents are controlled independently using the decoupling network method. Then the main equations are calculated theoretically and its performance in different duty cycles is investigated. Finally, the simulation results for different modes show the correct operation of the converter and controller.

Keywords

Main Subjects


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