Harmonic analysis of electric vehicle loadings on distribution system

2014 IEEE International Conference on Control Science and Systems Engineering Pub Date : 2014-12-01 DOI:10.1109/CCSSE.2014.7224526

Yijun Xu, Yunshan Xu, Zimin Chen, Feijin Peng, M. Beshir

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引用次数: 10

Abstract

With the increasing number of Electric Vehicles (EV) in this age, the power system is facing huge challenges of the high penetration rates of EVs charging stations. Therefore, a technical study of the impact of EVs charging on the distribution system is required. This paper is applied with PSCAD software and aimed to analyzing the Total Harmonic Distortion (THD) brought by Electric Vehicles charging stations in power systems. The paper starts with choosing IEEE34 node test feeder as the distribution system, building electric vehicle level two charging battery model and other four different testing scenarios: overhead transmission line and underground cable, industrial area, transformer and photovoltaic (PV) system. Then the statistic method is used to analyze different characteristics of THD in the plug-in transient, plug-out transient and steady-state charging conditions associated with these four scenarios are taken into the analysis. Finally, the factors influencing the THD in different scenarios are found. The analyzing results lead the conclusion of this paper to have constructive suggestions for both Electric Vehicle charging station construction and customers' charging habits.

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配电网电动汽车负荷的谐波分析

随着电动汽车(EV)数量的不断增加，电动汽车充电站的高普及率对电力系统提出了巨大的挑战。因此，有必要对电动汽车充电对配电系统的影响进行技术研究。本文应用PSCAD软件，对电力系统中电动汽车充电站产生的总谐波失真(THD)进行了分析。本文首先选择IEEE34节点试验馈线作为配电系统，构建电动汽车二级充电电池模型，以及架空输电线路与地下电缆、工业区、变压器与光伏系统等四种不同的测试场景。然后采用统计方法分析了插电暂态时THD的不同特性，并将插电暂态与这四种场景相关的稳态充电条件纳入分析。最后，找出不同情景下影响THD的因素。分析结果表明，本文的结论对电动汽车充电站的建设和消费者的充电习惯都有建设性的建议。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

2014 IEEE International Conference on Control Science and Systems Engineering

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