A non‐isolated high quadratic step‐up converter for fuel cell electric vehicle applications

SVK Naresh; Sankar Peddapati; Mamdouh L. Alghaythi

doi:10.1002/cta.3610

journal article Apr 05, 2023

A non‐isolated high quadratic step‐up converter for fuel cell electric vehicle applications

SVK Naresh

Sankar Peddapati

Mamdouh L. Alghaythi

International Journal of Circuit Theory and Applications Vol. 51 No. 8 pp. 3841-3864 · Wiley

View at Publisher Save 10.1002/cta.3610

Abstract

SummaryThe fuel cell electric vehicles require a dc‐dc converter as a power interface to match the fuel cell voltage to the dc bus. By considering the soft characteristics of the fuel cell source, this work introduces a non‐isolated high quadratic step‐up (HQSU) converter with a wide‐range voltage gain and continuous source current. The proposed converter comprises two synchronously operated active switches and two inductors; it adopts a switched capacitor cell to improve the voltage gain and reduce the voltage stress of the output side components. Further, this work discusses the HQSU converter in terms of operation, steady‐state analysis, design considerations, and non‐ideal and dynamic analysis. In addition, the comprehensive comparison with recent quadratic converters suggests that the proposed HQSU converter has the advantages of higher voltage gain, high effectiveness index, low total voltage stress, and lower SDP rating, along with common ground and non‐inverted output. Furthermore, a 200 W laboratory prototype is fabricated to validate the theoretical findings. The experimental results confirm the good steady‐state and dynamic behavior of the proposed HQSU converter, which achieved an efficiency of 94.2% at rated power.

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Enhanced quadratic multi-port common grounded high voltage-gain DC-DC converter for electric vehicle applications

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Metrics

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Citations

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References

Details

Published: Apr 05, 2023
Vol/Issue: 51(8)
Pages: 3841-3864
License: View

Authors

S

SVK Naresh

Department of Electrical Engineering National Institute of Technology Andhra Pradesh Tadepalligudem 534101 India

S

Sankar Peddapati

Department of Electrical Engineering National Institute of Technology Andhra Pradesh Tadepalligudem 534101 India

M

Mamdouh L. Alghaythi

Department of Electrical Engineering, College of Engineering Jouf University Sakaka Aljouf 72388 Saudi Arabia

Cite This Article

SVK Naresh, Sankar Peddapati, Mamdouh L. Alghaythi (2023). A non‐isolated high quadratic step‐up converter for fuel cell electric vehicle applications. International Journal of Circuit Theory and Applications, 51(8), 3841-3864. https://doi.org/10.1002/cta.3610

A non‐isolated high quadratic step‐up converter for fuel cell electric vehicle applications

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