特高压GIS瓷质套管与复合套管抗震性能试验研究
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摘要
为研究和比较不同材料特高压电气设备的动力特性及地震响应,分别对1支特高压GIS瓷质材料套管和1支特高压GIS复合材料套管进行地震模拟振动台试验。通过输入白噪声随机波,得到套管的动力特性参数,通过输入标准时程波,得到套管在不同等级地震激励下关键部位的加速度、应变及位移响应。研究结果表明:在峰值加速度为0.4g的人工波作用下,试件未出现结构性破坏;较之瓷质套管,复合套管具有阻尼比高、应力安全裕度大、对加速度的放大效应低的优点,但同时基频较低,套管顶部位移较大,可应用于高地震烈度区变电站,但应注意增大上部连接导线冗余长度。
In order to study and compare the seismic performance of UHV electric equipment with different materials, shaking table tests for a 1 100kV GIS porcelain bushing and a 1 100kV GIS composite bushing were carried out respectively. The dynamic characteristics of the specimens were obtained by white noise random excitation. The acceleration, strain and displacement responses of critical parts under different earthquake events were obtained by inputting standard time history wave. The test results show that no structural damage occurs in the bushings under the action of earthquake wave with peak acceleration of 0.4g. Compared with porcelain bushing, 1 100kV GIS composite bushing has the advantages of high damping ratio, high strength, and low acceleration amplification, meantime, it has the disadvantages of low frequency and large displacement. Composite bushing can be applied in substations with high earthquake intensity while the redundant length of the wire should be increased.
In order to study and compare the seismic performance of UHV electric equipment with different materials, shaking table tests for a 1 100kV GIS porcelain bushing and a 1 100kV GIS composite bushing were carried out respectively. The dynamic characteristics of the specimens were obtained by white noise random excitation. The acceleration, strain and displacement responses of critical parts under different earthquake events were obtained by inputting standard time history wave. The test results show that no structural damage occurs in the bushings under the action of earthquake wave with peak acceleration of 0.4g. Compared with porcelain bushing, 1 100kV GIS composite bushing has the advantages of high damping ratio, high strength, and low acceleration amplification, meantime, it has the disadvantages of low frequency and large displacement. Composite bushing can be applied in substations with high earthquake intensity while the redundant length of the wire should be increased.
引文
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[15]FILIATRAULT A,KREMMIDAS S.Seismic interaction of interconnected electrical substation equipment[J].Journal of Structural Engineering,2000,126(10):1140-1149.
[16]谢强,马国梁,何畅,等.1 100kV气体绝缘开关设备瓷套管抗震性能振动台试验研究[J].电网技术,2016,42(8):2596-2604.XIE Qiang,MA Guoliang,HE Chang,et al.Shaking table test study on seismic performance of 1 100kV gas insulated switchgear porcelain bushing[J].High Voltage Engineering,2016,42(8):2596-2604.
[17]杨涛,王社良,刘伟,等.GIS高压电气设备抗震性能试验研究[J].世界地震工程,2016,32(1):146-155.YANG Tao,WANG Sheliang,LIU Wei,et al.Experimental study on seismic performance of high voltage electrical equipment GIS[J].World Earthquake Engineering,2016,32(1):146-155.
[18]尤红兵,张郁山,赵凤新.电气设备振动台试验输入的合理确定[J].电网技术,2012,36(5):118-124.YOU Hongbing,ZHANG Yushan,ZHAO Fengxin.Reasonable determination of input waves for shaking-table test of electrical equipments[J].Power System Technology,2012,36(5):118-124.
[19]程永锋,朱祝兵,邱宁,等.特高压电气设备抗震试验共振拍波适用性及合理地震动输入研究[J].高电压技术,2015,41(5):1753-1759.CHENG Yongfeng,ZHU Zhubing,QIU Ning,et al.Research of resonance beat wave applicability and reasonable seismic input used in seismic test of UHV electrical equipments[J].High Voltage Engineering,2015,41(5):1753-1759.
[20]李圣,程永锋,卢智成,等.支柱绝缘子互联体系地震易损性分析[J].中国电力,2016,49(4):61-66.LI Sheng,CHENG Yongfeng,LU Zhicheng,et al.Seismic fragility analysis of connected post insulators[J].Electric Power,2016,49(4):61-66.
[21]金松安,李龙,魏劲容,等.1 100kV变压器套管抗震性能研究[J].高压电器,2016,52(3):100-104.JIN Songan,LI Long,WEI Jinrong,et al.Study on anti-seismic performance of 1 100kV Transformer bushing[J].High Voltage Apparatus,2016,52(3):100-104.
[2]程永锋,朱全军,卢智成.变电站电力设施抗震措施研究现状与发展趋势[J].电网技术,2008,32(22):88-93.CHENG Yongfeng,ZHU Quanjun,LU Zhicheng.Progress and development trend on seismic measures of electric power equipments in transformer substation[J].Power System Technology,2008,32(22):88-93.
[3]刘如山,张美晶,邬玉斌,等.汶川地震四川电网震害及功能失效研究[J].应用基础与工程科学学报,2010,18(增刊):200-211.LIU Rushan,ZHANG Meijing,WU Yubin,et al.Damage and failure study of Sichuan electric power grid in Wenchuan earthquake[J].Journal of Basic Science and Engineering,2010,18(Supplement):200-211.
[4]刘如山,刘金龙,颜冬启,等.芦山7.0级地震电力设施震害调查分析[J].自然灾害学报,2013,22(3):83-90.LIU Rushan,LIU Jinlong,YAN Dongqi,et al.Seismic damage investigation and analysis of electric power system in Lushan Ms 7.0earthquake[J].Journal of Natural Disasters,2013,22(3):83-90.
[5]朱瑞民,李东亮,齐立忠,等.变电站地震灾害分析与抗震设计[J].电力建设,2013,34(4):14-18.ZHU Ruimin,LI Dongliang,QI Lizhong,et al.Earthquake disaster analysis and anti-seismic design for substation[J].Electric Power Construction,2013,34(4):14-18.
[6]周世平.5.12汶川大地震变压器损坏情况分析[J].湖北电力,2008,32(4):1-4.ZHOU Shiping.Transformer damage analysis in the 5.12 Wenchuan earthquake[J].Hubei Electric Power,2008,32(4):1-4.
[7]甘艳,陈鹏云,王成智.地震灾害下变压器的损毁情况及对策研究[J].华中电力,2009,22(3):14-17.GAN Yan,CHEN Pengyun,WANG Chengzhi.Study on the seismic effects on the transformer[J].Middle China Electric Power,2009,22(3):14-17.
[8]孙宇晗,程永锋,王晓宁,等.1 100kV气体绝缘封闭开关复合外绝缘套管地震模拟振动台试验研究[J].中国电机工程学报,2018,38(7):2179-2187.SUN Yuhan,CHENG Yongfeng,WANG Xiaoning,et al.Studies on earthquake simulation shaking table tests of 1 100 k V gas insulated switchgear composite external insulation bushings[J].Proceedings of the CSEE,2018,38(7):2179-2187.
[9]孙宇晗,程永锋,卢智成,等.170kV中性点电抗器地震模拟振动台试验研究[J].振动与冲击,2018,37(12):229-234.SUN Yuhan,CHENG Yongfeng,LU Zhicheng,et al.Earthquake simulation shaking table for a 170kV neutral reactor[J].Journal of Vibration and Shock,2018,37(12):229-234
[10]张文亮.复合绝缘子在±800kV特高压直流工程中的应用研究[J].电网技术,2006,30(12):8-11.ZHANG Wenliang.Study of application of composite insulator on±800kV UHVDC transmission line[J].Power System Technology,2006,30(12):8-11.
[11]吴光亚,蔡炜,苏雪源.复合硅橡胶材料在外绝缘领域的应用[J].高电压技术,2000,26(5):56-60.WU Guangya,CAI Wei,SU Xueyuan.The development and application of the silicon rubber composite material[J].High Voltage Engineering,2000,26(5):56-60.
[12]曹枚根,周福霖,谭平,等.大型电力变压器及套管振动台抗震试验研究[J].振动与冲击,2011,30(11):122-128.CAO Meigen,ZHOU Fulin,TAN Ping,et al.Shaking table test on seismic performance of large power transformer with bushings[J].Journal of Vibration and Shock,2011,30(11):122-128.
[13]孙宇晗,卢智成,刘振林,等.特高压变电站内110 k V电容器组模型地震模拟振动台试验[J].高电压技术,2017,43(3):879-884.SUN Yuhan,LU Zhicheng,LIU Zhenlin,et al.Shaking table test on model of 110 k V capacitor bank in UHV substation[J].High Voltage Engineering,2017,43(3):879-884.
[14]BELLORINI S,BETTINALI F.Seismic qualification of transformer high voltage bushings[J].IEEE Transactions on Power Delivery,1998,13(4):1208-1213.
[15]FILIATRAULT A,KREMMIDAS S.Seismic interaction of interconnected electrical substation equipment[J].Journal of Structural Engineering,2000,126(10):1140-1149.
[16]谢强,马国梁,何畅,等.1 100kV气体绝缘开关设备瓷套管抗震性能振动台试验研究[J].电网技术,2016,42(8):2596-2604.XIE Qiang,MA Guoliang,HE Chang,et al.Shaking table test study on seismic performance of 1 100kV gas insulated switchgear porcelain bushing[J].High Voltage Engineering,2016,42(8):2596-2604.
[17]杨涛,王社良,刘伟,等.GIS高压电气设备抗震性能试验研究[J].世界地震工程,2016,32(1):146-155.YANG Tao,WANG Sheliang,LIU Wei,et al.Experimental study on seismic performance of high voltage electrical equipment GIS[J].World Earthquake Engineering,2016,32(1):146-155.
[18]尤红兵,张郁山,赵凤新.电气设备振动台试验输入的合理确定[J].电网技术,2012,36(5):118-124.YOU Hongbing,ZHANG Yushan,ZHAO Fengxin.Reasonable determination of input waves for shaking-table test of electrical equipments[J].Power System Technology,2012,36(5):118-124.
[19]程永锋,朱祝兵,邱宁,等.特高压电气设备抗震试验共振拍波适用性及合理地震动输入研究[J].高电压技术,2015,41(5):1753-1759.CHENG Yongfeng,ZHU Zhubing,QIU Ning,et al.Research of resonance beat wave applicability and reasonable seismic input used in seismic test of UHV electrical equipments[J].High Voltage Engineering,2015,41(5):1753-1759.
[20]李圣,程永锋,卢智成,等.支柱绝缘子互联体系地震易损性分析[J].中国电力,2016,49(4):61-66.LI Sheng,CHENG Yongfeng,LU Zhicheng,et al.Seismic fragility analysis of connected post insulators[J].Electric Power,2016,49(4):61-66.
[21]金松安,李龙,魏劲容,等.1 100kV变压器套管抗震性能研究[J].高压电器,2016,52(3):100-104.JIN Songan,LI Long,WEI Jinrong,et al.Study on anti-seismic performance of 1 100kV Transformer bushing[J].High Voltage Apparatus,2016,52(3):100-104.
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