發(fā)布時間：2018-10-19 12:59

【摘要】：當(dāng)前,我國用于發(fā)電所消耗的能源逐步增加,以火力發(fā)電為主的供電方式所引起的環(huán)境保護問題、能源匱乏問題以及經(jīng)濟浪費問題等越來越引起國家的關(guān)注。為了提高太陽能這一清潔能源得利用和實現(xiàn)電力系統(tǒng)的高速發(fā)展,我國正在逐步加大對分布式光伏發(fā)電的開發(fā)和利用。光伏發(fā)電具有能夠就近安裝在負(fù)荷中心、全壽命周期投資成本低、并能及時根據(jù)負(fù)荷變化進行調(diào)整,以及提高整體電力系統(tǒng)供電可靠性等優(yōu)點。通過研究秦皇島電網(wǎng)分布式發(fā)電的可行性及系統(tǒng)接入設(shè)計,對大力發(fā)展光伏發(fā)電技術(shù)具有重要的理論價值和實際意義。 本文從具體工程實施角度出發(fā),重點研究光伏發(fā)電在秦皇島地區(qū)的接入系統(tǒng)設(shè)計方案。依托實際工程,提出實際應(yīng)用中可能碰到的問題并提出解決方案。首先系統(tǒng)地概述了光伏發(fā)電運行特性,對其技術(shù)特點及并網(wǎng)要求進行詳細(xì)分析。其次對秦皇島地區(qū)分布式電源及并網(wǎng)現(xiàn)狀,該地區(qū)氣象條件、地址條件進行具體分析。并對秦皇島電網(wǎng)分布式電源接入系統(tǒng)進行評估。最后依據(jù)國家電網(wǎng)公司分布式光伏發(fā)電接入系統(tǒng)典型設(shè)計,從建設(shè)必要性、建設(shè)規(guī)模、潮流分析、電氣部分、系統(tǒng)二次等方面論述北戴河培訓(xùn)中心分布式光伏發(fā)電接入系統(tǒng)設(shè)計。
[Abstract]:At present, the energy consumption for power generation in China is gradually increasing, and the environmental protection, energy scarcity and economic waste caused by the power supply mode mainly caused by thermal power generation have attracted more and more attention of the country. In order to improve the utilization of solar energy and realize the rapid development of power system, China is gradually increasing the development and utilization of distributed photovoltaic power generation. Photovoltaic power generation has the advantages of being able to be installed in the load center nearby, with low investment cost in the whole life cycle, timely adjusting according to the load change, and improving the power supply reliability of the whole power system. By studying the feasibility and system access design of distributed generation in Qinhuangdao Power Grid, it is of great theoretical and practical significance to vigorously develop photovoltaic power generation technology. This paper focuses on the design of photovoltaic access system in Qinhuangdao from the point of view of project implementation. Depending on the actual project, the problems that may be encountered in the practical application are put forward and the solutions are put forward. Firstly, the operating characteristics of photovoltaic power generation are systematically summarized, and its technical characteristics and grid connection requirements are analyzed in detail. Secondly, the status of distributed power generation and grid connection in Qinhuangdao area, meteorological conditions and address conditions in Qinhuangdao area are analyzed in detail. And Qinhuangdao power grid distributed power access system is evaluated. Finally, according to the typical design of the distributed photovoltaic power generation access system of State Grid Company, from the construction necessity, the construction scale, the power flow analysis, the electrical part, This paper discusses the design of distributed photovoltaic access system in Beidaihe training Center.
【學(xué)位授予單位】：華北電力大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TM615

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本文編號：2281188