Providing a Dual-Input Soft-Switching Boost Converter with Power Factor Correction Capability

Subject Areas : Electronic Engineering

Mohammad Reza Amini ¹ , Mohammad Foroughi ² , Ehsan Adib ³ , Mohammad Rouhollah Yazdani ⁴

1 - Department of Electrical Engineering, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran
2 - Department of Electrical Engineering, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran
3 - Department of Electrical and Computer Engineering, Isfahan University of Technology, Isfahan, Iran
4 - Department of Electrical Engineering, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran

Received: 2022-07-08 Accepted : 2022-10-05 Published : 2023-02-20

Keywords: Soft-Switching, multi-input converter, Boost converter, high efficiency, power factor correction,

Abstract :

Multi-input converters have different structures. These converters can be used in applications of power systems based on wind, photovoltaic, hybrid vehicles, etc. In a multi-input system, usually one of the inputs is connected to an AC source. Also, these converters use soft switching techniques to increase efficiency. In this paper, a non-insulated dual input soft-switching boost converter with power factor correction capability is proposed. This converter uses only an auxiliary circuit with simple operation. The operation modes of the proposed converter are described. All of the semiconductor elements in this converter turn on and off in soft switching conditions. The proposed controller circuit is presented with power factor correction capability. The converter is simulated with PSIM and THD and PF shows that the power factor correction in AC input is occurred correctly. The efficiency of the proposed converter is increased in comparison with the multi-input hard switching converter under the same conditions. The simulation results with PSpice for a 200-watt prototype converter confirm the theoretical analysis.

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