大型光伏電站集電線路經(jīng)濟(jì)電流密度計(jì)算 

張彥昌，石巍，王杰，林浩 
中國電力工程顧問集團(tuán) 中南電力設(shè)計(jì)院，湖北 武漢 430071 
 

摘 要：由于光伏電站的特點(diǎn)和經(jīng)濟(jì)技術(shù)發(fā)展對(duì)經(jīng)濟(jì)電流密度計(jì)算參數(shù)的影響，現(xiàn)有的手冊(cè)、標(biāo)準(zhǔn)和規(guī)范上的經(jīng)濟(jì)電路密度曲線已不能滿足光伏電站經(jīng)濟(jì)電流截面的選擇?？紤]相關(guān)因素的影響，通過實(shí)例對(duì)大型光伏電站的集電線路進(jìn)行經(jīng)濟(jì)電流密度計(jì)算，進(jìn)而根據(jù)集電線路的載流量選擇其經(jīng)濟(jì)截面，對(duì)該截面進(jìn)行壓降檢驗(yàn)，均滿足了規(guī)范要求。
關(guān)鍵詞：大型光伏電站；集電線路；經(jīng)濟(jì)電流密度曲線；經(jīng)濟(jì)截面
中圖分類號(hào)：TM615；TM751 文獻(xiàn)標(biāo)識(shí)碼：B 文章編號(hào)：1007-3175(2013)02-0031-04

Economic Current Density Calculation of Power-Collecting Line in Large-Scale Photovoltaic Power Station 

ZHANG Yan-chang, SHI Wei, WANG Jie, LIN Hao 
Central Southern China Electric Power Design Institute of China Power Engineering Consulting Group, Wuhan 430071, China 
 

Abstract:Since features of photovoltaic station and economic technology development have impacts on economic current density calculation parameters, the existing economic current density curves of hand-books, standards and regulations could not meet the selection of photovoltaic station economic current section. In consideration of impacts of related factors, this paper carried out economic current density calculation for large-scale photovoltaic station’s power collecting lines via actual case, then according to carrier flow, its economic section was selected, voltage reduction test was carried out, to meet regulation requirements.
Key words: large-scale photovoltaic station; power-collecting line; economic current density curve; economic section

參考文獻(xiàn)
[1] DL/T 5222—2005 導(dǎo)體和電器選擇設(shè)計(jì)技術(shù)規(guī)定[S].
[2] GB 50217—2007 電力工程電纜設(shè)計(jì)規(guī)范[S].