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柔性直流输电不同电压等级的经济性比较
引用本文:曾丹,姚建国,杨胜春,王珂,李亚平.柔性直流输电不同电压等级的经济性比较[J].电力系统自动化,2011,35(20):98-102.
作者姓名:曾丹  姚建国  杨胜春  王珂  李亚平
作者单位:国网电力科学研究院/南京南瑞集团公司,江苏省南京市,210003
摘    要:分析了柔性直流输电输送容量与电压等级的关系,提出了确定经济输送范围的方法,比较分析了不同电压等级的换流站造价、电缆造价、传输损耗、运行费用、总工程投资以及投资回报等经济性指标。以典型柔性直流工程为例,研究表明,对于输送容量为几百兆瓦的柔性直流工程,考虑换流站、电缆和环境等因素,在输送容量和传输距离相同的情况下电压等级越...

关 键 词:柔性直流输电技术  电压等级  工程造价  运行成本  投资回收
收稿时间:4/15/2011 5:21:33 PM
修稿时间:2011/9/27 0:00:00

Economy Comparison of VSC-HVDC with Different Voltage Levels
ZENG Dan,YAO Jianguo,YANG Shengchun,WANG Ke,LI Yaping.Economy Comparison of VSC-HVDC with Different Voltage Levels[J].Automation of Electric Power Systems,2011,35(20):98-102.
Authors:ZENG Dan  YAO Jianguo  YANG Shengchun  WANG Ke  LI Yaping
Affiliation:(State Grid Electric Power Research Institute,Nanjing 210003,China)
Abstract:The relationship between transmission capacity and voltage level of the voltage source converter(VSC)-HVDC is analyzed.The method for determining the scope of economical transportation is proposed.It emphatically analyzes such economic parameters as the total cost of the VSC-HVDC project,annual operation cost,maintenance cost,and the fund recovery period.A typical VSC-HVDC line is used as an example.The study shows that,by taking into account the factors such as the converter station,cable and environment for a project of a few hundred MW-level VSC-HVDC,the higher the voltage level is,the lower the operation and maintenance cost of the project will be.Furthermore,considering the loans,electricity sales,investment income,internal revenue,etc,the higher the voltage level is,the lower the total investment of project cost,and the shorter the investment recovery period.So the selection of a proper voltage level can improve the economy of the VSC-HVDC project.
Keywords:VSC-HVDC technology  voltage level  project cost  operating cost  investment recovery
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