本文選題：超級電容器 + 光伏發(fā)電�。� 參考：《蘭州交通大學(xué)》2015年碩士論文

【摘要】：作為清潔能源的太陽能和風(fēng)能是我們目前發(fā)展最好的選擇,它們?nèi)≈槐M,用之不竭,應(yīng)用地域廣泛,清潔環(huán)保,能同時解決化石燃料所帶來的能源危機和環(huán)境污染問題,是人類目前發(fā)現(xiàn)的最為重要的能源。其中太陽能應(yīng)用中的光伏發(fā)電,即光能轉(zhuǎn)換成電能的形式,它以自己獨特的天然優(yōu)勢倍受到人們的關(guān)注;并且太陽能發(fā)電跟其他發(fā)電裝置的最本質(zhì)區(qū)別是它不存在運動部件,這樣就不會輕易的出現(xiàn)故障或損壞,維護(hù)起來更為簡單方便。超級電容器在光伏發(fā)電系統(tǒng)作為新能源設(shè)備的作用變得越來越突出,它具有功率密度大,充電電量密度高,快速充放電,長壽命等優(yōu)良的存儲優(yōu)勢。本文以超級電容器儲能控制裝置為研究對象,研究其在獨立光伏發(fā)電系統(tǒng)中相對于其他儲能裝置的優(yōu)越性。首先將超級電容器與其他的傳統(tǒng)儲能裝置進(jìn)行對比,分析了超級電容器的儲能方式,與傳統(tǒng)儲能裝置相比超級電容器的儲能優(yōu)點。然后研究其直流儲能單元,從而進(jìn)一步對應(yīng)用方面設(shè)計,并通過了驗證。在相關(guān)理論分析的基礎(chǔ)上,對傳統(tǒng)的超級電容器模型進(jìn)行改進(jìn),建立了超級電容器的等效參數(shù)模型,硬件電路使用常用的斬波電路,即直直變換電路(Buck),開關(guān)器件選用Mosfet,它具有開關(guān)速率高、穩(wěn)定性好和驅(qū)動功率小的特點;另外,采用單片機芯片作為充電回路的控制部分,基于單片機具有高效率、低成本、簡單實用等優(yōu)點構(gòu)建了基于超級電容器的獨立光伏發(fā)電系統(tǒng)模型,最終設(shè)計得到了文中所述的超級電容器充電控制器,并針對控制器模型進(jìn)行了仿真。
[Abstract]:Solar and wind energy, as clean energy, are the best choice for our development at present. They are inexhaustible, widely used in a wide range of areas, clean and environmentally friendly, and can solve the energy crisis and environmental pollution caused by fossil fuels at the same time. It is the most important source of energy found by human beings at present. Photovoltaic power generation in solar energy applications, that is, the form of light energy converted into electric energy, has attracted people's attention because of its unique natural advantages; and the most essential difference between solar power generation and other power generation devices is that it does not have moving parts. In this way, the failure or damage will not occur easily, and maintenance is more simple and convenient. Supercapacitors play a more and more important role as new energy equipment in photovoltaic power generation system. They have the advantages of high power density, high charge and power density, fast charging and discharging, long life and so on. In this paper, the supercapacitor energy storage control device is studied, and its superiority over other energy storage devices in the independent photovoltaic power generation system is studied. Firstly, the supercapacitor is compared with other conventional energy storage devices, and the energy storage mode of the supercapacitor is analyzed, and the energy storage advantages of the supercapacitor are compared with the traditional energy storage device. Then the DC energy storage unit is studied, and the application is further designed and verified. On the basis of related theoretical analysis, the traditional supercapacitor model is improved, and the equivalent parameter model of supercapacitor is established. The common chopper circuit is used in the hardware circuit. It has the characteristics of high switching rate, good stability and low driving power. In addition, the single-chip microcomputer chip is used as the control part of the charging circuit, and based on the single-chip microcomputer, it has high efficiency and low cost. The model of independent photovoltaic power generation system based on supercapacitor is constructed and the supercapacitor charging controller described in this paper is designed and simulated.
【學(xué)位授予單位】：蘭州交通大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：TM53;TM615

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本文編號：2045806