發(fā)布時間：2018-06-09 04:50

  本文選題：電動汽車 + 電動汽車充電負荷��； 參考：《首都師范大學》2014年碩士論文

【摘要】：在全球經濟強勁增長,石油生產國剩余產能不足以及國際局勢動蕩等多方面的影響下,化石能源短缺問題日益嚴重。電動汽車具有能源清潔,低耗能等優(yōu)點。世界各國都在不斷的進行相關方面的研究,我國也在不斷推進電動汽車的發(fā)展。當前電動汽車產業(yè)正步入快速發(fā)展期,未來的電網將會承受大規(guī)模的電動汽車充電負荷；本文的研究目的是探索電動汽車充電對電網的影響以及對策措施研究。 論文首先對國內外電動汽車入網充放電的研究現(xiàn)狀進行了總結學習。在此基礎之上分析了電動汽車充電負荷的主要影響因素與建模方法；討論了當前電動汽車入網建模的研究現(xiàn)狀,并從電網負荷能力,電能質量,經濟性和二氧化碳排放量等方面詳細分析了電動汽車充電對電網的影響；從為電力系統(tǒng)提供輔助服務,與新能源的協(xié)調匹配,電網系統(tǒng)的經濟性,電池壽命以及安全性等四方面總結了電動汽車利用v2G技術入網放電的影響。 本文分析了影響充電負荷的四個因素,根據北京市的實際情況,建立合理的數(shù)學模型,運用蒙特卡洛的仿真方法對北京市在未來不同時期的電動汽車充電負荷進行了仿真計算。 根據上述計算的電動汽車充電負荷曲線,研究其對電網系統(tǒng)的影響。通過對典型電網算例進行分析,發(fā)現(xiàn)大規(guī)模的無序充電行為會對電網的負荷,電壓以及線損均造成不利影響。論文同時對未來電動汽車充電站的選址進行了研究,實驗結果表明,單就電網方面而言充電站接入點離電源點越近,充電負荷對電網系統(tǒng)的各方面影響就越小。 最后,論文提出了分時計價的政策措施引導電動汽車用戶的充電行為,降低無序充電行為給電網系統(tǒng)帶來的不利影響。
[Abstract]:Under the influence of strong global economic growth, insufficient surplus production capacity in oil-producing countries and the turmoil in the international situation, the problem of fossil energy shortage is becoming increasingly serious. Electric vehicles have the advantages of clean energy and low energy consumption. Countries all over the world are constantly carrying on the related research, and our country is pushing forward the development of electric vehicles. At present, the electric vehicle industry is entering a period of rapid development, the future power grid will bear a large scale of electric vehicle charging load; The purpose of this paper is to explore the influence of electric vehicle charging on power grid and the research of countermeasures. Firstly, this paper summarizes and studies the current situation of charging and discharging of electric vehicles at home and abroad. On this basis, the main influencing factors and modeling methods of electric vehicle charging load are analyzed, and the current research status of electric vehicle network modeling is discussed, and the load capacity and power quality of electric vehicle are discussed. In the aspects of economy and carbon dioxide emission, the influence of electric vehicle charging on power grid is analyzed in detail, from providing auxiliary services for power system, matching with new energy, and economy of power grid system, Four aspects of battery life and safety are summarized in this paper, such as battery life and safety. This paper analyzes the four factors that affect the charging load of electric vehicles by using v2G technology, and establishes a reasonable mathematical model according to the actual situation in Beijing. Monte Carlo simulation method is used to simulate the charging load of electric vehicles in Beijing in different periods in the future. According to the calculated charging load curve of electric vehicles, the influence on power grid system is studied. Through the analysis of typical power network examples, it is found that large-scale disordered charging behavior will adversely affect the load, voltage and line loss of the power network. At the same time, the thesis studies the location of the charging station of electric vehicle in the future. The experimental results show that the closer the charging point is to the power supply point, the smaller the impact of charging load on all aspects of the power system is. In this paper, time-sharing pricing policies and measures are proposed to guide the charging behavior of electric vehicle users and to reduce the adverse effects of disordered charging behavior on the power grid system.
【學位授予單位】：首都師范大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：TM714;U469.72

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本文編號：1999006