超大規(guī)模光伏發(fā)電并網(wǎng)對(duì)電網(wǎng)關(guān)鍵潮流斷面影響的研究
馮大偉1,程璐2,王震泉1
(1 中國(guó)能源建設(shè)集團(tuán)江蘇省電力設(shè)計(jì)院,江蘇 南京 211102;2 西安交通大學(xué) 電氣工程學(xué)院,陜西 西安 710049)
摘 要:以江蘇寶應(yīng)光伏發(fā)電基地為例,分析了江蘇省電網(wǎng)結(jié)構(gòu)、潮流特征以及江北地區(qū)風(fēng)電光伏出力特性,研究了關(guān)鍵潮流斷面特別是500 kV 過(guò)江通道輸送能力對(duì)大規(guī)模光伏并網(wǎng)的影響和限制,利用電力系統(tǒng)分析軟件PSD-V2009 對(duì)并網(wǎng)方案進(jìn)行仿真計(jì)算。隨著新能源裝機(jī)容量的不斷增加,江蘇北電南送潮流將不斷加大,對(duì)500 kV 過(guò)江通道的壓力也將日趨增加,建議加強(qiáng)江蘇北電南送過(guò)江通道和江北調(diào)峰機(jī)組的建設(shè),進(jìn)一步增強(qiáng)電網(wǎng)可靠性和對(duì)新能源發(fā)電的接納能力。
關(guān)鍵詞:光伏發(fā)電;光伏出力特性;關(guān)鍵潮流斷面;潮流仿真
中圖分類號(hào):TM615 文獻(xiàn)標(biāo)識(shí)碼:A 文章編號(hào):1007-3175(2017)07-0011-04
Study on Influence of Ultra-Large-Scale Grid-Connected Photovoltaic
Power System on Key Tide Cross Section of Power Grid
FENG Da-wei1, CHENG Lu2, WANG Zhen-quan1
(1 China Energy Engineering Group Jiangsu Power Design Institute Co., Ltd, Nanjing 2111 02, China;
2 School of Electrical Engineering, Xi’an Jiaotong University, Xi’an 710049, China)
Abstract: Taking Baoying photovoltaic power generation base in Jiangsu province for example, this paper analyzed the power network structure and tide characteristic in Jiangsu province and wind power photovoltaic output force characteristic in area north of the Yangtze River, researched on the key tide cross section, especially the impacts and impose restrictions of 500 kV pathway crossing rivers delivery capacity on ultra-large-scale grid-connected system and used the electric power system analysis software PSD-V2009 to carry out simulation calculation of grid-connected scheme. With the increase of the new energy installed capacity and the north-to-south power transmission tide in Jiangsu province continuously, the pressure of 500 kV pathway crossing rivers will increase gradually. It is suggested strengthening the
construction of the north-to-south power transmission pathway crossing rivers in Jiangsu province and the variable load units in area north of the Yangtze River, which further enhances the reliability of power grid and the admitting ability of new energy power generation.
Key words: photovoltaic power generation; photovoltaic output force characteristic; key tide cross section; tide simulation
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