Analyzing the Effectiveness of Single Active Bridge DC-DC Converter under Transient and Load Variation

Saad Khan Baloch (), Abdul Sattar Larik and Mukhtiar Ahmed Mahar
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Saad Khan Baloch: Department of Electrical Engineering, Isra University, Hyderabad 71000, Pakistan
Abdul Sattar Larik: Department of Electrical Engineering, Mehran University of Engineering and Technology, Jamshoro 76060, Pakistan
Mukhtiar Ahmed Mahar: Department of Electrical Engineering, Mehran University of Engineering and Technology, Jamshoro 76060, Pakistan

Sustainability, 2023, vol. 15, issue 6, 1-18

Abstract: Over the last couple of years, the use of DC-DC converters is being widely used in several applications. The need for a reliable and robust converter for application is very important because of the social impact that it can have on the losses in high-power electronics applications and output efficiency. This paper gives a comprehensive review of single-active-bridge (SAB) converters. The detail modelling and performance evaluation of SAB topology with PI controllers are also presented in this article. The performance of SAB topology is analyzed under transient and load variations. Due to the nonlinear behavior of SAB topology, the traditional PI controllers have not minimized transient disturbances. The major problem with the usage of conventional controllers and traditional configurations for the SAB converter are the ripples, which are generated in output voltage and current. These ripples severely affect the performance of the SAB converter. An effort has been made to analyze and contribute to the importance of a robust controller to mitigate the converter dynamics. This article also gives an in-depth dynamic analysis of SAB converters, which were controlled using PI controllers and failed to perform satisfactorily under non-linearities.

Keywords: cascade control scheme; proportional integral (PI) controller; single-active-bridge (SAB) converter; steady-state dynamic operations (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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