Optimal Unified Triple-Phase-Shift Control Technique for Dual Active Bridge Converter

Pallavi Chaturvedi; Mohmmed Rizwan Ansari; Dheeraj Kumar Palwalia

doi:10.17485/IJST/v16i22.329

Article

Optimal Unified Triple-Phase-Shift Control Technique for Dual Active Bridge Converter

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Indian Journal of Science and Technology

DOI: 10.17485/IJST/v16i22.329

Year: 2023, Volume: 16, Issue: 22, Pages: 1635-1644

Original Article

Optimal Unified Triple-Phase-Shift Control Technique for Dual Active Bridge Converter

Pallavi Chaturvedi^1*, Mohmmed Rizwan Ansari¹, Dheeraj Kumar Palwalia¹

¹Department of Electrical Engineering, Rajasthan Technical University, Kota, 324010, Rajasthan, India

*Corresponding Author
Email: [email protected]

Received Date:18 February 2023, Accepted Date:17 May 2023, Published Date:07 June 2023

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

Objectives: The variable output voltage from the wind energy conversion system is effectively regulated through the Solid-State Transformer (SST) using Dual Active Bridge (DAB) converter employing a Triple phase shift (TPS) control technique. Methods: A wind energy based system integrated with SST employing a DAB converter is proposed. The system comprises of Permanent Magnet Synchronous Generator (PMSG) based Wind Energy System (WES), SST, and resistive load. The SST provides an easy interface between the load and the WES.MATLAB Simulink-based analysis is done to compare the various control techniques used for DAB dc-dc converter. Findings: The DAB converter provides several benefits including its ability to provide bi-directional power flow, making it suitable for use in applications where power can flow in either direction, such as renewable energy systems. The Single-Phase Shift (SPS) is among the majorly adopted control strategies for DAB converters however it performs unsatisfactorily with varying load conditions. In this paper, a Triple- Phase Shift (TPS) control strategy has been reported. A detailed mathematical analysis along with MATLAB Simulink based results suggest that this control technique reduces current stress on semiconductor switches by reducing peak inductor current by almost 23% and 9% as compared to conventional phase shift modulation technique, therefore, improving the efficiency of the converter. Novelty: The phase shift ratio used in the TPS control technique for the DAB converter is modified by incorporating a virtual power component that enhances the dynamic response of the output voltage.

Keywords: Wind Energy System (WES); Solid-State Transformer (SST); Dual Active Bridge Converter (DAB); Triple-Phase Shift (TPS); Single Phase Shift (SPS)

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Copyright

© 2023 Chaturvedi et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Published By Indian Society for Education and Environment (iSee)