Conference Papers

Permanent URI for this collectionhttps://idr.nitk.ac.in/handle/123456789/28506

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    A Technological Research on Electric Vehicles Charging Approaches and Optimization Methods
    (Institute of Electrical and Electronics Engineers Inc., 2022) Vani, B.V.; Kishan, D.; Ahmad, M.W.; Hanumanthakari, S.; Reddy, B.N.K.
    In Present day various countries all throughout the world have taken on Electric Vehicles (EVs) to diminish air pollution and fuel consumption. In coming years, Electric Vehicles are bound to become crucial in the transport field. Subsequently, the charging approaches are in the same line. This paper presents an outline of the current and proposed EV charging approaches and optimization methods. Especially the various EV charging methods like battery exchange, conductive charging and wireless charging are presented. Next, some of the EV charging/discharging optimization methods are examined. On the basis of investigation, a few proposals are put forward for future research. © 2022 IEEE.
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    Performance Analysis of Multiphase Interleaved boost converter topologies for FCEV applications
    (Institute of Electrical and Electronics Engineers Inc., 2023) Garg, P.; Vignesh Kumar, V.V.; Kumar, S.
    This paper investigates the performance of multiphase interleaved boost converter topologies for fuel cell electric vehicle (FCEV) system. Fuel cells (FC) have a low voltage and high current characteristics. The output voltage of a fuel cell stack must be increased to approximately 400V ∼ 700V to be suitable for the motor drive system. Therefore, a DC/DC step-up converter is crucial for interfacing fuel cell stack with the DC bus of the vehicle.Owing to the volumetric constraints and other performance requirements, the FC connected DC/DC converter is expected to possess high power density, low weight, high efficiency and good thermal performance. Further, it is of paramount importance to maintain the output current ripple of FC for its enhanced life span. Interleaved boost converter (IBC) topologies are found to satisfy all these requirements of FCEV application. Hence in this paper, a performance comparison of few interleaved topologies appropriate for FCEV drive train is presented. It is observed that six phase IBC is superior to other two variants namely two phase and four phase IBC. The output voltage, input current and losses are analysed for all the three topologies. The design of the closed loop control algorithm is discussed lucidly. The results of extensive simulations carried out in MATLAB environment are presented. © 2023 IEEE.
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    A Novel Non-Isolated Ultra High Gain DC-DC Converter with Single Switch and Dual Boost Cells
    (Institute of Electrical and Electronics Engineers Inc., 2023) Mandal, S.; Prabhakaran, P.
    This paper presents a novel Non-Isolated Ultra High Gain DC-DC Converter with Single Switch, featuring two boost cell networks: a capacitor and two diodes (C2D) boost cell, and two capacitors, two inductors, and three diodes (2C2L3D) boost cell. The innovative combination of the two aforementioned boost cells achieves an unprecedented level of ultra-high gain, while reducing voltage stress across the switch and diodes and minimizing component count compared to existing high-gain converters. The proposed converter exhibits exceptional adaptability, operating efficiently with a wide range of duty ratios for diverse voltage conversion scenarios. A comprehensive explanation of the working principle and steady-state analysis is provided, along with a detailed comparison to state-of-the-art high-gain converter topologies. Extensive theoretical analysis and precise MATLAB simulations confirm the converter's superior performance and efficiency, solidifying its potential for practical applications. © 2023 IEEE.