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All Journal International Journal of Applied Power Engineering (IJAPE)
B. Suresh Babu
Sandip University
Electrical & Electronics Engineering

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A novel single-stage high-voltage gain DC-DC boost converter for on-board PEV charging system Motepalli Siva Rama Ganesh; S. Sasikumar; B. Suresh Babu
International Journal of Applied Power Engineering (IJAPE) Vol 15, No 2: June 2026
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijape.v15.i2.pp610-619

Abstract

Currently, the utilization of plug-in electric vehicles is quickly increasing in the vehicle industry owing to reduced costs of transportation, no need for fossil fuels, simple servicing, no fuel expense, and lower environmental effect compared to internal-combustion motor vehicles. In actuality, these motor vehicles function based on available battery energy that are charged by a utility-grid-supplied charging station. In this charging facility, a power converter defined on-board charger is generally used to charge the batteries, which improves the utility grid specifications by reducing the presence of harmonics and power factor regulation. An active two-stage load conditioning approach is commonly employed, however it doubles the conversion stages, requires larger switching components, complicated circuitry, large switching losses, and decreased efficiency, among other issues. To address these issues, a unique single-stage on-board EV charger has been used to regulate utility-grid specifications and seamless management of battery state-of-charge using a load-side DC-DC conditioning method. The major goal of this study is to propose a unique DC-DC boost converter that provides substantial voltage gain, consistent input current, minimal current ripples, and highest efficiency among numerous converters. The effectiveness of the proposed unique single-stage on-board EV charger has been evaluated through MATLAB/Simulink application, and the simulation findings have been presented.
A newly proposed IVCVR controlled IUPQC device for PQ enhancement in multi-feeder distribution networks CH. V. Ramachandra Rao; M. Arun; B. Suresh Babu
International Journal of Applied Power Engineering (IJAPE) Vol 15, No 2: June 2026
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijape.v15.i2.pp620-635

Abstract

Nowadays, the greater relevance of power-quality has being received substantial attention in multi-feeder distribution system due to increased usage of critical non-linear power-electronic loads in many applications. These loads proliferates the quality-power and it can degrade the voltage and current quality in multi-feeder networks from the utility-grid code specifications. Numerous custom-power compensation devices are accessible to mitigate corresponding voltage/current relevant PQ concerns, resulting that the multi-feeder networks are maintained as fundamentally strong, sinusoidal wave-shape, essentially balanced, linear/stable in nature. Amid of several custom-power compensation devices, the interline-UPQC is the most significant for enhancing both voltage/current waveforms in utility-grid integrated multi-feeder distribution system by employing suitable control algorithms. It is noted that, the newly proposed Integrated Voltage-Current Vector Reference (IVCVR) control algorithm eliminates the various technical issues in conventional schemes. In this work, a novel IVCVR algorithm controlled IUPQC device has been proposed for PQ enhancement and also maintaining flexible power-flow between the multi-feeders. The operation and performance of newly proposed IVCVR algorithm controlled IUPQC device has been investigated under definite PQ problems by using Matlab/Simulink software-computing tool. The extracted simulation results are highlighted with feasible interpretations complying with IEEE-519/2022 standards.
Co-Authors CH. V. Ramachandra Rao M. Arun Motepalli Siva Rama Ganesh S. Sasikumar