發(fā)布時(shí)間：2018-04-12 21:34

  本文選題：V2G + 電動(dòng)汽車充電站��； 參考：《燕山大學(xué)》2014年碩士論文

【摘要】：人類工業(yè)化進(jìn)程加快所帶來(lái)的資源緊張和環(huán)境污染問(wèn)題日益嚴(yán)重。普通燃油汽車產(chǎn)生的尾氣是城市污染的主要來(lái)源，同時(shí)燃油汽車使用了大量的石油資源。在人們環(huán)保和節(jié)能意識(shí)越來(lái)越強(qiáng)烈的今天，低碳交通運(yùn)輸?shù)陌l(fā)展已經(jīng)成為了當(dāng)今所面臨的重要問(wèn)題。在這種條件下，電動(dòng)汽車應(yīng)運(yùn)而生。 電動(dòng)汽車環(huán)保、清潔、無(wú)(低)污染物排放，代表了未來(lái)新能源汽車的主要發(fā)展方向�；赩2G(Vehicle to Grid)技術(shù)的電動(dòng)汽車充電站實(shí)現(xiàn)了電網(wǎng)與電動(dòng)汽車的能量雙向互動(dòng)，當(dāng)車載電池組電量不足需要充電時(shí)，能量從電網(wǎng)流向電動(dòng)汽車，當(dāng)電動(dòng)汽車處于停駛狀態(tài)時(shí)，可以把車載電池組中的電能回饋給電網(wǎng)，提高了能量的利用率。本文首先介紹了V2G技術(shù)的背景和發(fā)展現(xiàn)狀，闡述了V2G的含義和功能、充電站的結(jié)構(gòu)組成及作用和充電機(jī)的發(fā)展現(xiàn)狀。 論文對(duì)充電站汽車動(dòng)力電池進(jìn)行了介紹，討論了電池的充放電原理和充放電方法，研究了充電站的電氣結(jié)構(gòu)、配電系統(tǒng)和移峰填谷控制策略的實(shí)現(xiàn)。對(duì)電動(dòng)汽車充電站的主電路拓?fù)溥M(jìn)行選擇，建立了實(shí)現(xiàn)V2G功能的充放電機(jī)基本模型(三相電壓型PWM入網(wǎng)變流器和雙向DC/DC變換器)，設(shè)計(jì)了充放電控制系統(tǒng)的調(diào)節(jié)器，研究階段充電、恒流充放電和快速充電方式，同時(shí)對(duì)充電機(jī)兩臺(tái)并聯(lián)運(yùn)行情況以及電網(wǎng)單相短路故障時(shí)的放電過(guò)程進(jìn)行研究，利用MATLAB/Simulink軟件進(jìn)行了仿真分析。該設(shè)計(jì)方案實(shí)現(xiàn)了電網(wǎng)和電動(dòng)汽車動(dòng)力電池組之間的能量雙向流動(dòng)，同時(shí)保證了網(wǎng)側(cè)電流正弦波，抑制電流諧波，，使功率因數(shù)近似為1。 最后，在理論仿真研究的基礎(chǔ)上，論文對(duì)充放電機(jī)實(shí)驗(yàn)裝置的硬件部分進(jìn)行設(shè)計(jì)，對(duì)主要元器件等進(jìn)行選擇，制作了一臺(tái)樣機(jī)，通過(guò)在DSP上軟件編程實(shí)現(xiàn)整體系統(tǒng)的控制方案，進(jìn)行了充放電實(shí)驗(yàn)研究，對(duì)控制策略進(jìn)行了驗(yàn)證。
[Abstract]:The shortage of resources and environmental pollution caused by the acceleration of human industrialization are becoming more and more serious.The exhaust produced by ordinary fuel vehicles is the main source of urban pollution, and fuel vehicles use a lot of oil resources.With the increasing awareness of environmental protection and energy conservation, the development of low-carbon transportation has become an important issue.Under this condition, electric vehicle arises at the historic moment.Electric vehicle environmental protection, clean, no (low) pollutant emissions, represents the future of the main development direction of new energy vehicles.The electric energy in the battery pack can be fed back to the power grid and the energy utilization rate can be improved.This paper first introduces the background and development status of V2G technology, expounds the meaning and function of V2G, the structure and function of charging station and the development status of charger.In this paper, the charging and discharging principle and the charging and discharging methods of the charging station are introduced, and the electric structure of the charging station, the distribution system and the control strategy of shifting peak and filling valley are studied.The main circuit topology of charging station of electric vehicle is selected, the basic model of charging and discharging machine is established to realize the function of V2G (three-phase voltage source PWM converter and two-way DC/DC converter), the regulator of charge and discharge control system is designed.At the same time, the paper studies the discharge process of two parallel charging machines and the single-phase short-circuit fault of power network. The simulation analysis is carried out by using MATLAB/Simulink software.The design scheme realizes the bidirectional energy flow between the power grid and the electric vehicle battery pack, at the same time ensures the sinusoidal wave of the grid side current, suppresses the current harmonic, and makes the power factor approximate to 1.Finally, on the basis of theoretical simulation, the paper designs the hardware part of the experimental device of charging and discharging machine, selects the main components and makes a prototype, and realizes the control scheme of the whole system by software programming on DSP.Charge and discharge experiments were carried out, and the control strategy was verified.
【學(xué)位授予單位】：燕山大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：U469.72;TM910.6

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