集成MPPT和双向直流变换器与减少开关多电平逆变器的电动汽车应用。

IF 3.9 2区 综合性期刊 Q1 MULTIDISCIPLINARY SCIENCES
K Dhineshkumar, N Vengadachalam, Suresh Muthusamy, Baseem Khan
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引用次数: 0

摘要

日益加剧的环境问题和化石资源的持续减少推动了对清洁和可持续的可再生能源(RES)的需求。此外,全球电动汽车(ev)使用的扩大是碳排放和石油消耗增加的结果。与传统的电动汽车充电系统相比,光伏充电系统具有大幅减少温室气体排放的能力。然而,现有的基于光伏的电动汽车充电系统缺乏有效的方法来适应不断变化的环境条件。此外,功率转换效率可能无法优化,导致能量输出降低。因此,在这项工作中,采用单端初级电感变换器(SEPIC)、集成隔离反激变换器(SIIFC)和机器学习径向基函数神经网络最大功率点跟踪(ML RBFNN MPPT)来最大化光伏发电功率提取。电动汽车电机和电网由一个减小开关31电平逆变器和一个1电压源逆变器(VSI)供电。为了有效地同步电网电压并保证电动汽车电机以期望的速度运行,采用了自适应比例积分(PI)控制器。为了验证所提出的基于光伏的电动汽车充电站的有效性,采用了MATLAB仿真和实验验证。实验结果表明,SIIFC和RBFNN MPPT的效率分别为95.4%和96%。此外,所提出的31电平逆变器设计提高了可靠性,并将THD降低到2.16%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Integrated MPPT and bidirectional DC DC converter with reduced switch multilevel inverters for electric vehicles applications.

The necessity for a clean and sustainable Renewable Energy Source (RES) is fueled by the intensifying environmental issue and steady decline of fossil resources. Additionally, expanding use of Electric Vehicles (EVs) across the globe is a result of rising carbon emissions and oil consumption. PV powered EV charging system has the ability to substantially reduce greenhouse emissions when compared with conventional sources-based EV charging system. However, existing PV based EV charging systems lack efficient approaches for adapting optimally to varying environmental conditions. Moreover, the power conversion efficiency may not be optimized leading to lower energy output. Hence, in this work, a Single Ended Primary Inductance Converter (SEPIC) Integrated Isolated Flyback Converter (SIIFC) and Machine Learning Radial Basis Function Neural Network Maximum Power Point Tracking (ML RBFNN MPPT) are used to maximize PV power extraction. EV motor and the grid are powered by a reduced switch 31 level inverter and a 1 Voltage Source Inverter (VSI). In order to effectively synchronize the grid voltage and guarantee that the EV motor runs at the desired speed, an adaptive proportional integral (PI) controller is used. For validating the effectiveness of proposed PV based EV charging station, MATLAB simulations and experimental validations are used. Experimental results demonstrate that the proposed SIIFC and RBFNN MPPT offer an efficiency of 95.4% and 96% respectively. Moreover, the proposed 31-level inverter design increases the reliability and reduces the THD to 2.16%.

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来源期刊
Scientific Reports
Scientific Reports Natural Science Disciplines-
CiteScore
7.50
自引率
4.30%
发文量
19567
审稿时长
3.9 months
期刊介绍: We publish original research from all areas of the natural sciences, psychology, medicine and engineering. You can learn more about what we publish by browsing our specific scientific subject areas below or explore Scientific Reports by browsing all articles and collections. Scientific Reports has a 2-year impact factor: 4.380 (2021), and is the 6th most-cited journal in the world, with more than 540,000 citations in 2020 (Clarivate Analytics, 2021). •Engineering Engineering covers all aspects of engineering, technology, and applied science. It plays a crucial role in the development of technologies to address some of the world''s biggest challenges, helping to save lives and improve the way we live. •Physical sciences Physical sciences are those academic disciplines that aim to uncover the underlying laws of nature — often written in the language of mathematics. It is a collective term for areas of study including astronomy, chemistry, materials science and physics. •Earth and environmental sciences Earth and environmental sciences cover all aspects of Earth and planetary science and broadly encompass solid Earth processes, surface and atmospheric dynamics, Earth system history, climate and climate change, marine and freshwater systems, and ecology. It also considers the interactions between humans and these systems. •Biological sciences Biological sciences encompass all the divisions of natural sciences examining various aspects of vital processes. The concept includes anatomy, physiology, cell biology, biochemistry and biophysics, and covers all organisms from microorganisms, animals to plants. •Health sciences The health sciences study health, disease and healthcare. This field of study aims to develop knowledge, interventions and technology for use in healthcare to improve the treatment of patients.
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