本文關(guān)鍵詞：深圳電網(wǎng)電動汽車充電站諧波問題研究　出處：《華南理工大學(xué)》2014年碩士論文　論文類型：學(xué)位論文

  更多相關(guān)文章： 電動汽車 充電站 電能質(zhì)量 諧波

【摘要】：近年來，我國的汽車保有量持續(xù)增多，汽車石油的消耗量已經(jīng)占到國家石油總消耗量的35%，嚴重威脅到了國家的能源與經(jīng)濟安全，而且給環(huán)境帶來了很大的污染。電動汽車以電代油，是未來汽車工業(yè)的必然趨勢。為了推廣電動汽車的應(yīng)用，電動汽車充電站作為電動汽車的基礎(chǔ)設(shè)施，將大量建成投運。由于電動汽車充電機屬于非線性電力電子設(shè)備，會導(dǎo)致大量的諧波污染，因此針對電動汽車充電站的諧波問題開展研究工作具有重要的工程實際意義。 本文圍繞深圳電網(wǎng)已建成的電動汽車充電站，針對電動汽車充電站產(chǎn)生的諧波問題進行分析，主要包括以下幾方面內(nèi)容： 1.詳細介紹了電動汽車充電站典型設(shè)計和建設(shè)方案，對電動汽車的建設(shè)規(guī)模、建設(shè)范圍、建設(shè)原則和總體結(jié)構(gòu)進行說明； 2.對單臺電動汽車充電機進行了現(xiàn)場諧波實測，分析了充電4個過程中的諧波特性，并依此建立了電動汽車充電機的幅頻特性模型； 3.針對電動汽車充電站不同工況進行了仿真模擬，評估了電動汽車充電站產(chǎn)生的諧波對電網(wǎng)的影響； 4.針對電動汽車充電站，有針對性的提出了治理措施，并對比了2種治理措施的效果。 本文懫用理論分析、實際測量及仿真建模的方法研究電動汽車充電站的諧波特性，評估了電動汽車充電站對電網(wǎng)的影響，并在此基礎(chǔ)上對比分析了兩種電動汽車充電站諧波治理方案。仿真結(jié)果表明了治理效果的有效性，對深圳電網(wǎng)電動汽車充電站的建設(shè)具有參考意義。
[Abstract]:In recent years, the amount of automobile in our country has been increasing, and the consumption of automobile oil has accounted for 35% of the total national oil consumption, which has seriously threatened the national energy and economic security. In order to promote the application of electric vehicles, charging stations of electric vehicles are the infrastructure of electric vehicles. The electric vehicle charger belongs to the nonlinear power electronic equipment, which will lead to a large number of harmonic pollution. Therefore, the research on harmonics of electric vehicle charging station is of great practical significance. This paper focuses on the electric vehicle charging station built in Shenzhen power grid, and analyzes the harmonic generation of the electric vehicle charging station, mainly including the following aspects: 1. The typical design and construction scheme of electric vehicle charging station are introduced in detail, and the construction scale, construction scope, construction principle and overall structure of electric vehicle are explained. 2. The harmonic measurement of a single electric vehicle charger is carried out, and the harmonic characteristics in the four charging processes are analyzed, and the amplitude-frequency characteristic model of the electric vehicle charger is established. 3. The electric vehicle charging station is simulated under different working conditions, and the influence of the harmonics generated by the electric vehicle charging station on the power grid is evaluated. 4. Aiming at the charging station of electric vehicle, the paper puts forward the control measures, and compares the effect of two kinds of measures. In this paper, the harmonic characteristics of electric vehicle charging station are studied by theoretical analysis, practical measurement and simulation modeling, and the influence of electric vehicle charging station on power network is evaluated. On this basis, two harmonic treatment schemes of electric vehicle charging station are compared and analyzed. The simulation results show the effectiveness of the control effect, which has reference significance for the construction of electric vehicle charging station in Shenzhen power network.
【學(xué)位授予單位】：華南理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：U491.8;TM73

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