基于模糊综合评价的输电线路综合防雷措施的确定
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摘要
按照初选措施—计算权值—评估效果—确定措施的流程,提出了一种输电线路综合防雷措施。基于地形地貌、已安装的防雷措施、安全距离对防雷措施进行初选;利用改进层次分析法计算各备选措施的权值,按照权值大小确定综合防雷措施,然后利用模糊综合评价对选出的综合防雷措施的防雷效果进行评估。用该方法在220 kV猇亭电厂至猇亭变进行综合防雷措施的验证,结果证明了该方法的有效性。
The method to determine the transmission line comprehensive lightning protection measures is proposed based on primary measures—value calculation—effect evaluation—determination measures.Alternatives of lightning protection were acquired by considering factors including terrains and topographic features,installed lightning protection measures,and safe distance.The alternative measures values are calculated by using IAHP,and comprehensive lightning protection measures are choosed by contrasting value.FCE is used to evaluate the lightning protection effect of the comprehensive lightning protection measures.The application of the method was illustrated with a case which is 220 kV Xiaoting power plant—Xiaoting transformer substation.Results demonstrate the effectiveness of method.
The method to determine the transmission line comprehensive lightning protection measures is proposed based on primary measures—value calculation—effect evaluation—determination measures.Alternatives of lightning protection were acquired by considering factors including terrains and topographic features,installed lightning protection measures,and safe distance.The alternative measures values are calculated by using IAHP,and comprehensive lightning protection measures are choosed by contrasting value.FCE is used to evaluate the lightning protection effect of the comprehensive lightning protection measures.The application of the method was illustrated with a case which is 220 kV Xiaoting power plant—Xiaoting transformer substation.Results demonstrate the effectiveness of method.
引文
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[2]张志劲,孙才新,蒋兴良,等.层次分析法在输电线路综合防雷措施评估中的应用[J].电网技术,2005,29(14):68-72.ZHANG Zhijin,SUN Caixin,JIANG Xingliang,et al.Application of analytic hierarchy process in estimation of compositive transmission line lightning protection measures[J].Power System Technology,2005,29(14):68-72.
[3]SAATY T L.The analytic hierarchy process[M].New York,USA:McGrew-Hill Inc,1980.
[4]WANG Jianqiang.Multi-criteria decision-making approach with incomplete certain information based on ternary AHP[J].Journal of Systems Engineering and Electronics,2006(1):109-114.
[5]张丽娜.AHP-模糊综合评价法在生态工业园区评价中的应用[D].大连:大连理工大学,2006.
[6]金菊良,魏一鸣,丁晶.基于改进层次分析法的模糊综合评价模型[J].水利学报,2004(3):65-70.JIN Juliang,WEI Yiming,DING Jing.Fuzzy comprehensive evaluation model based on improved analytic hierarchy process[J].Journal of Hydraulic Engineering,2004(3):65-70.
[7]段若晨,王丰华,顾承昱,等.采用改进层次分析法综合评估500 k V输电线路防雷改造效果[J].高电压技术,2014,40(1):131-137.DUAN Rechen,WANG Fenghua,GU Chengyu,et al.Comprehensive evaluation of 500 k V transmission line lightning protection effect based on improved analytic hierarchy process[J].High Voltage Engineering,2014,40(1):131-137.
[8]国家电网公司.110(66)k V~500 k V架空输电线路运行规范[S].北京:国家电网公司,2005.45-50.