铅合金减震器在SF_6断路器减震中的应用
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摘要
铅合金减震器是一种适用于电气设备的新型减震器,研究其减震效果具有重要意义。通过铅合金减震器滞回特性试验测定了减震器的力学模型参数。以瓷柱式SF6断路器为例进行了振动台试验,并建立了相应的有限元模型。通过支架底部未安装与安装铅合金减震器时断路器地震反应的比较,分析了减震器的减震效果。结果表明安装铅合金减震器能有效降低断路器顶层的水平向加速度峰值以及瓷套的最大应力,减震效果明显。
Lead alloy absorber is a new type of absorber suitable for electrical equipments,so it is significant to research its seismic-reduced effect.Through the hysteretic test of the lead alloy absorber,the parameters of its mechanical model are measured and determined.Taking porcelain pole-mounted SF6 circuit breaker for example,the shake-table tests are performed and corresponding finite-element model is built.By means of comparing the seismic responses of circuit breaker with and without assembling lead alloy absorbers at the bottom of circuit breaker's support,the seismic-reduced effect of the absorber is analyzed.Analysis results show that horizontal directional peak acceleration at the top layer of circuit breaker as well as the maximum stress of porcelain bushing can be effectively reduced by assembling lead alloy absorber,thus the seismic-reduced effect is evident.
Lead alloy absorber is a new type of absorber suitable for electrical equipments,so it is significant to research its seismic-reduced effect.Through the hysteretic test of the lead alloy absorber,the parameters of its mechanical model are measured and determined.Taking porcelain pole-mounted SF6 circuit breaker for example,the shake-table tests are performed and corresponding finite-element model is built.By means of comparing the seismic responses of circuit breaker with and without assembling lead alloy absorbers at the bottom of circuit breaker's support,the seismic-reduced effect of the absorber is analyzed.Analysis results show that horizontal directional peak acceleration at the top layer of circuit breaker as well as the maximum stress of porcelain bushing can be effectively reduced by assembling lead alloy absorber,thus the seismic-reduced effect is evident.
引文
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[15]Ersoy S,Saadeghvaziri,Liu G Y.Analytical and experimental seismic studies of transformer isolated with friction pendulum system and design aspects[J].Earthquake Spectra,2001,17(4):569-595.
[16]Saadeghvaziri M A,Feng M.Experimental and analytical study of base-isolation for electric power equipment[R].Buffalo:State University of New York at Buffalo,2001.
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[19]曹枚根,周福霖,徐忠根,等.大跨越输电塔线体系减震控制分析研究[J].电网技术,2007,31(14):45-51.Cao Meigen,Zhou Fu1in,Xu Zhonggen,et al.Research on seismic control of large crossing transmission towers for transmission lines[J].Power System Technology,2007,31(14):45-51(in Chinese).
[20]IEEE.IEEE Standard693Recommended practice for seismic design of substations[S].Los Alamitos,California:IEEE Publications Office,2005.
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[22]高象波,姚德康.SW6-220少油断路器悬吊减震体系的研究[J].电力建设,1989,10(12):6-9.
[23]高象波,姚德康.少油断路器支承减震体系的振动台试验[J].电力建设,1990,11(6):12-14.
[24]中国电力规划设计协会,DLGJ160—2003高压电气设备减震技术规定[S].北京:中国电力出版社,2004.
[25]李亚琦,电瓷型高压电气设备体系抗震性能分析[D].北京:中国地震局地球物理研究所,2002.
[26]李亚琦,李小军,刘锡荟.铅合金减震的动力特性及适用范围[J].地震学报,2005,21(1):86-95.Li Yaqi,Li Xiaojun,Liu Xihui.Dynamic behavior and applicability of lead alloy absorber[J].Acta Seismologica Sinica,2005,21(1):86-95(in Chinese).
[27]GB50260—1996电力设施抗震设计规范[S].北京:中国计划出版社,1996.
[2]张子引,赵彪,曹伟炜,等.四川汶川8.0级地震电网受灾情况调研与初步分析[J].电力技术经济,2008,20(4):1-4.Zhang Ziyin,Zhao Biao,Cao Weiwei,et al.Investigation and preliminary analysis of damages on the power grid in the Wenchuan earthquake of M8.0[J].Electric Power Technologic Economics,2008,20(4):1-4(in Chinese).
[3]尤红兵,田学民,赵凤新,等.汶川大地震及电力系统抗震研究[J].动力与电气工程师,2008,5(2):27-30.
[4]谢强.电力系统的地震灾害研究现状与应急响应[J].电力建设,2008,29(8):1-6.Xie Qiang.State-of-the-art of seismic disaster research and emergency response of electric power system[J].Electric Power Construction,2008,29(8):1-6(in Chinese).
[5]谢强,朱瑞元.汶川地震中支持式管型母线破坏机理分析[J].电力建设,2010,31(3):8-12.Xie Qiang,Zhu Ruiyuan.Seismic failure analysis of support type pipe bus in Wenchuan earthquake[J].Electric Power Construction,2010,31(3):8-12(in Chinese).
[6]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):84-89.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):84-89(in Chinese).
[7]韩军科,朱全军,杨风利,等.基底隔震技术在高压电气设备中的应用[J].电网技术,2007,31(S2):78-80.Han Junke,Zhu Quanjun,Yang Fengli,et al.Application of base isolation in high voltage electrical equipment[J].Power System Technology,2007,31(S2):78-80(in Chinese).
[8]伍磊,袁越,季侃,等.微型电网及其在防震减灾中的应用[J].电网技术,2008,32(16):36-40.Wu Lei,Yuan Yue,Ji Kan,et al.Microgrid and its application in earthquake prevention and disaster reduction[J].Power System Technology,2008,32(16):36-40(in Chinese).
[9]李宏男,胡大柱,黄连状.地震作用下输电塔体系塑性极限状态分析[J].中国电机工程学报,2006,26(24):196-203.Li Hongnan,Hu Dazhu,Huang Lianzhuang.Plastic limit analysis of the transmission tower system subjected to earthquake action[J].Proceedings of the CSEE,2006,26(24):196-203(in Chinese).
[10]岳茂光,李宏男,王东升,等.行波激励下输电塔-线体系纵向地震反应分析[J].中国电机工程学报,2006,26(23):147-152.Yue Maoguang,Li Hongnan,Wang Dongsheng,et al.Longitudinal response of the power transmission tower-cable system under travelingseismic wave excitations[J].Proceedings of the CSEE,2006,26(23):147-152(in Chinese).
[11]田利,李宏男,黄连壮.多点激励下输电塔-线体系的侧向地震反应分析[J].中国电机工程学报,2008,28(16):110-116.Tian Li,Li Hongnan,Huang Lianzhuang.Lateral response of transmission tower-line system under multiple support excitations[J].Proceedings of the CSEE,2008,28(16):110-116(in Chinese).
[12]尤红兵,赵凤新,刘锡荟.美国《变电站抗震设计推荐规程》评介[J].电力建设,2009,30(6):48-52.You Hongbing,Zhao Fengxin,Liu Xihui.Introduction of recommended code of substation aseismatic design USA[J].Electric Power Construction,2009,30(6):48-52(in Chinese).
[13]马勇杰.换流站阀厅结构选型与抗震分析[J].电力建设,2009,30(2):42-45.Ma Yongjie.Structural selection and anti-quake analysis of converter station valve hall[J].Electric Power Construction,2009,30(2):42-45(in Chinese).
[14]文波,牛荻涛,张俊发,等.隔震技术在高压电力设施中的应用[J].工业建筑,2009,39(1):36-41.Wen Bo,Niu Ditao,Zhang Junfa,et al.Application of isolation technology in high-voltage electrical equipment[J].Industrial Construction,2009,39(1):36-41(in Chinese).
[15]Ersoy S,Saadeghvaziri,Liu G Y.Analytical and experimental seismic studies of transformer isolated with friction pendulum system and design aspects[J].Earthquake Spectra,2001,17(4):569-595.
[16]Saadeghvaziri M A,Feng M.Experimental and analytical study of base-isolation for electric power equipment[R].Buffalo:State University of New York at Buffalo,2001.
[17]Takhirov S M,Fenves G L,Eric F.Ground motions for earthquake simulator qualification of electrical substation equipment[R].Berkeley:Pacific Earthquake Engineering Research Center,University of California,2004.
[18]曹枚根,朱全军,默增禄,等.高压输电线路防震减灾研究现状及震害防御对策[J].电力建设,2007,28(5):23-27.Cao Meigen,Zhu Quanjun,Mo Zenglu,et al.Current research status of HV transmission line earthquake prevention and disaster relief andearthquake countermeasures[J].Electric Power Construction,2007,28(5):23-27(in Chinese).
[19]曹枚根,周福霖,徐忠根,等.大跨越输电塔线体系减震控制分析研究[J].电网技术,2007,31(14):45-51.Cao Meigen,Zhou Fu1in,Xu Zhonggen,et al.Research on seismic control of large crossing transmission towers for transmission lines[J].Power System Technology,2007,31(14):45-51(in Chinese).
[20]IEEE.IEEE Standard693Recommended practice for seismic design of substations[S].Los Alamitos,California:IEEE Publications Office,2005.
[21]日本电气技术标准调查委员会.JEAG5003—1998电气设备抗震设计指南[S].日本:日本电气技术标准调查委员会,1998.
[22]高象波,姚德康.SW6-220少油断路器悬吊减震体系的研究[J].电力建设,1989,10(12):6-9.
[23]高象波,姚德康.少油断路器支承减震体系的振动台试验[J].电力建设,1990,11(6):12-14.
[24]中国电力规划设计协会,DLGJ160—2003高压电气设备减震技术规定[S].北京:中国电力出版社,2004.
[25]李亚琦,电瓷型高压电气设备体系抗震性能分析[D].北京:中国地震局地球物理研究所,2002.
[26]李亚琦,李小军,刘锡荟.铅合金减震的动力特性及适用范围[J].地震学报,2005,21(1):86-95.Li Yaqi,Li Xiaojun,Liu Xihui.Dynamic behavior and applicability of lead alloy absorber[J].Acta Seismologica Sinica,2005,21(1):86-95(in Chinese).
[27]GB50260—1996电力设施抗震设计规范[S].北京:中国计划出版社,1996.
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