特高压交流1000kV瓷外套避雷器的研制
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摘要
介绍了特高压交流1000 kV瓷外套避雷器的性能参数、结构及试验等情况。避雷器由五节元件串联组成,内部采用四柱电阻片并联结构,电阻片组间加装均流电极。对1000 kV避雷器抗震性能的模拟计算和试验,得到了1000 kV避雷器的机械设计结构。对1000 kV避雷器电位分布的模拟计算和测量,得到最大电位分布不均匀系数为9.6%,电流分布不均匀系数小于5%。研发的1 000 kV避雷器通过了0.2 g的抗震试验及63 kA的压力释放试验,已在特高压交流试验示范工程应用。
The performance parameters,structure and test,etc of the ultra-high voltage ac 1 000 kV porcelain housing MOA are introduced.MOA element composed by five units section series,the four pillars of resistance in parallel is adopted for the internal structure,flow equalized electrode is added between the resistors groups.Through the simulated calculation and test on seismic performance of 1 000 kV MOA,the mechanical design structure is obtained.Through the simulated calculation and test on potential distribution of 1 000 kV MOA,it is obtained that the maximum potential distribution uneven coefficient is 9.6% and current distribution uneven coefficient is less than 5%.The developed 1 000 kV MOA passed the 0.2 g seismic test and 63 kA pressure release test,and has been used for UHV demonstration project.
The performance parameters,structure and test,etc of the ultra-high voltage ac 1 000 kV porcelain housing MOA are introduced.MOA element composed by five units section series,the four pillars of resistance in parallel is adopted for the internal structure,flow equalized electrode is added between the resistors groups.Through the simulated calculation and test on seismic performance of 1 000 kV MOA,the mechanical design structure is obtained.Through the simulated calculation and test on potential distribution of 1 000 kV MOA,it is obtained that the maximum potential distribution uneven coefficient is 9.6% and current distribution uneven coefficient is less than 5%.The developed 1 000 kV MOA passed the 0.2 g seismic test and 63 kA pressure release test,and has been used for UHV demonstration project.
引文
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[14]KOJIMA S,OYAMA M.Potential distribution of mentaloxide surge arresters under various environmental condi-tions[J].IEEE Trans.on Power Delivery,1988,3(3):984-989.
[15]TAUTGES T J.The generation of hexahedral meshes forassembly geometry:survey and progress[J].Int.J.Numer.Meth.Engng.,2001(50):2617-2642.
[16]SHEPHARD M S,GEORGES M K.Automatic three-di-mensional,mesh generation by the finite octree technique[J].Int.J.Numer.Meth.Engng.1991(32):709-749.
[17]JIN H.TANNER T N.Generation of unstructured tetrahedralmeshes by advancing front technique[J].Int.J.Numer.Meth.Engng.,1993(36):1805-1823.
[18]王世山,李彦明.500kV无间隙MOA电位分布分析及其均压化措施[J].电瓷避雷器,2000(4):18-23.WANG Shi-shan,LI Yan-ming.500 kV no clearanceMOA potential distribution analysis and the pressure ofmeasures[J].Insulators and Surge Arresters,2000(4):18-23.
[2]刘玉民,慎政.1000kV氧化锌避雷器耐地震计算分析报告[R].郑州:郑州机械研究所,2006.LIU Yu-min,SHEN Zheng.1 000 kV zinc oxide lightningarrester earthquake resistance calculation analysis report[R].Zhengzhou mechanical institute,2006.
[3]中华人民共和国国家质量监督检疫总局.GB/T13540—2009,高压开关设备和控制设备的抗震要求[S].国家质量监督检疫总局,2009.
[4]张自平,贺军.1000kV无间隙金属氧化物避雷抗震试验报告报告[R].中国建筑科学研究院,2011.
[5]王琼,安翠翠,马文玲,等.1000kV瓷外套MOA电阻片与瓷套电位关系的研究[J].电瓷避雷器,2008(2):28-31.WANG Qiong,AN Cui-Cui,MA Wen-ling,et al.1 000 kVcoat MOA resistors and porcelain porcelain jacket of therelationship between the potential[J].Insulators and SurgeArresters,2008(2):28-31.
[6]曾冬松,何金良,吴维韩.安装高度对ZnO避雷器电位分布的影响[J].电瓷避雷器1993(5):39-42.CENG Dong-song,HE Jin-liang,WU Wei-korea.Installa-tion height on the influence of ZnO lightning arrester poten-tial distribution[J].Insulators and Surge Arresters,1993(5):39-42.
[7]HAN S J,ZOU J,GU S Q,HE J L,et al.Calculation of thepotential distribution of high voltage metal oxide arresterby using an improved semi-analytic finite element method[J].IEEE Trans on MAG,2005,41(5):1392-1395.
[8]韩社教,戴栋,马西奎,等.应用有限元法计算氧化锌避雷器电位分布[J].中国电机工程学报,2001,21(12):105-108.HAN She-jiao,DAI Dong,MA Xi-kui,et al.Calculationof potential distribution for Zinc-oxide surge arrester byfinite element method[J].Proceedings of the CSEE,2001,21(12):105-108(in Chinese).
[9]CSENDES Z J,HAMANN J R.Surge arrester voltagedistribution analysis by the finite element method[J].IEEETrans.on PAS,1981,100(4):1806-1813.
[10]OYAMA M,OHSHIMA I,HODA M,et al.Analyticaland experimental approach to the voltage distribution ongapless zinc-oxide surge arresters[J].IEEE Trans.on PAS,1981,100(11):4621-4627.
[11]DONG Xing-qi,AN Tong-yi.A New FEM approach forppen boundary laplace’s problem[J].IEEE Transactionson Microwave Theory and Thchniques,1996,44(1):157-160.
[12]JOHNR.BRAUER,SENIOR MEMBEIRE,E E,et al.Dy-namic electric fields computed by finite elements[J].IEEETransactions on Industry Applications,1989,25(6):1088-1092.
[13]HE J L,ZENG R,CHEN S M,et al.Potential distribu-tion analysis of suspend ed-type metal-oxide surge ar-resters[J].IEEE Trans.on Power Delivery,2003,18(4):1214-1220.
[14]KOJIMA S,OYAMA M.Potential distribution of mentaloxide surge arresters under various environmental condi-tions[J].IEEE Trans.on Power Delivery,1988,3(3):984-989.
[15]TAUTGES T J.The generation of hexahedral meshes forassembly geometry:survey and progress[J].Int.J.Numer.Meth.Engng.,2001(50):2617-2642.
[16]SHEPHARD M S,GEORGES M K.Automatic three-di-mensional,mesh generation by the finite octree technique[J].Int.J.Numer.Meth.Engng.1991(32):709-749.
[17]JIN H.TANNER T N.Generation of unstructured tetrahedralmeshes by advancing front technique[J].Int.J.Numer.Meth.Engng.,1993(36):1805-1823.
[18]王世山,李彦明.500kV无间隙MOA电位分布分析及其均压化措施[J].电瓷避雷器,2000(4):18-23.WANG Shi-shan,LI Yan-ming.500 kV no clearanceMOA potential distribution analysis and the pressure ofmeasures[J].Insulators and Surge Arresters,2000(4):18-23.
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