高压断路器操动机构动力学特性联合仿真研究
|
摘要
基于联合仿真方法,建立了包含传动机构动力学模型与液压系统仿真模型的高压断路器操动机构联合仿真模型.以液压操动高压断路器为研究对象,搭建工程实验测试平台,并测量了液压操动断路器在分合闸操动下动触头及液压推杆的位移特性,通过与工程实验数据的对比,验证了联合仿真模型的准确性与适用性.基于所建立的联合仿真模型,分析了液压系统不同初始油压下的断路器操动机构的动力学特性.研究结果表明:当液压系统油压为44～49 MPa时,能够优化断路器操动时间和传动机构运动的平稳性.
Based on the co-simulation method,a co-simulation model for the operating mechanism of high voltage circuit breaker was established,which contains the dynamic model of the transmission mechanism and the simulation model of hydraulic system.Furthermore,hydraulic-operating high voltage circuit breaker was chosen as studied object,and an experimental system was set up to measure the displacement of the moving contact and hydraulic push rod during the opening and closing operation of the high voltage circuit breaker.Comparing the result of co-simulation model with the data obtained from the experiment,the co-simulation model was proved to be reliable and feasible.Finally,the dynamic characteristic of the operating mechanism under different level of initial oil pressure was carried out through the co-simulation model.The obtained simulation results indicate that when the proper initial oil pressure at 44～49 MPa,the time and the stability of operation can be further optimized.
Based on the co-simulation method,a co-simulation model for the operating mechanism of high voltage circuit breaker was established,which contains the dynamic model of the transmission mechanism and the simulation model of hydraulic system.Furthermore,hydraulic-operating high voltage circuit breaker was chosen as studied object,and an experimental system was set up to measure the displacement of the moving contact and hydraulic push rod during the opening and closing operation of the high voltage circuit breaker.Comparing the result of co-simulation model with the data obtained from the experiment,the co-simulation model was proved to be reliable and feasible.Finally,the dynamic characteristic of the operating mechanism under different level of initial oil pressure was carried out through the co-simulation model.The obtained simulation results indicate that when the proper initial oil pressure at 44～49 MPa,the time and the stability of operation can be further optimized.
引文
[1]LIU W,XU B,YANG H Y,et al.Hydraulic operating mechanisms for high voltage circuit breakers:progress evolution and future trends[J].Science China Technological Sciences,2011,54(1):116-125.
[2]张增磊,巫世晶,赵文强,等.含间隙高速多连杆传动机构动力学特性研究[J].振动与冲击,2014,33(14):66-71.
[3]付荣荣,赵莉华,荣强,等.高压断路器操作机构机械特性研究[J].高压电器,2017(5):56-62.
[4]周仙娥,史芳颖,康子雄,等.断路器用液压操动机构储能碟簧的可靠性研究[J].高压电器,2015(1):98-104.
[5]刘伟,杨华勇,徐兵,等.高压断路器液压操动机构管道特性研究[J].农业机械学报,2010,41(1):182-187.
[6]MENG F G,WU S J,ZHANG F,et al.Modeling and simulation of flexible transmission mechanism with multi-clearance joints for ultra-high voltage circuit breakers[J].Shock and Vibration,2015(2):1-17.
[7]巫世晶,赵文强,王振,等.基于操动机构配合公差的断路器灭弧性能研究[J].华中科技大学学报:自然科学版,2017,45(11):109-114.
[8]ZHOU Y S,LIU J G,CAI Y C,et al.Modeling,validation and optimal design of the clamping force control valve used in continuously variable transmission[J].Chinese Journal of Mechanical Engineering,2008,21(4):51-55.
[9]张增磊,巫世晶,钟建英,等.高速大流量阀控液压缸缓冲优化设计[J].中南大学学报:自然科学版,2015(10):3646-3655.
[10]刘伟,徐兵,杨华勇,等.高压断路器液压操动机构特性分析[J].机械工程学报,2010,46(10):148-155.
[11]巫世晶,孟凡刚,李小勇,等.百万伏断路器传动机构有限元建模与分析[J].华中科技大学学报:自然科学版,2016,44(8):121-127.
[12]BAI Z F,ZHAO Y.A hybrid contact force model of revolute joint with clearance for planar mechanical systems[J].International Journal of Non-linear Mechanics,2013,48(1):15-36.
[13]KHEMILI I,ROMDHANE L.Dynamic analysis of a flexible slider-crank mechanism with clearance[J].European Journal of Mechanics,2008,27(5):882-898.
[14]RIXEN D J.A dual Craig-Bampton method for dynamic sub-structuring[J].Journal of Computational and Applied Mathematics,2004,168(1):383-391.
[15]周煜韬,戚连锁,庄劲武,等.考虑弹性变形的电磁斥力机构运动特性分析及实验[J].中国电机工程学报,2016(S1):206-212.
[2]张增磊,巫世晶,赵文强,等.含间隙高速多连杆传动机构动力学特性研究[J].振动与冲击,2014,33(14):66-71.
[3]付荣荣,赵莉华,荣强,等.高压断路器操作机构机械特性研究[J].高压电器,2017(5):56-62.
[4]周仙娥,史芳颖,康子雄,等.断路器用液压操动机构储能碟簧的可靠性研究[J].高压电器,2015(1):98-104.
[5]刘伟,杨华勇,徐兵,等.高压断路器液压操动机构管道特性研究[J].农业机械学报,2010,41(1):182-187.
[6]MENG F G,WU S J,ZHANG F,et al.Modeling and simulation of flexible transmission mechanism with multi-clearance joints for ultra-high voltage circuit breakers[J].Shock and Vibration,2015(2):1-17.
[7]巫世晶,赵文强,王振,等.基于操动机构配合公差的断路器灭弧性能研究[J].华中科技大学学报:自然科学版,2017,45(11):109-114.
[8]ZHOU Y S,LIU J G,CAI Y C,et al.Modeling,validation and optimal design of the clamping force control valve used in continuously variable transmission[J].Chinese Journal of Mechanical Engineering,2008,21(4):51-55.
[9]张增磊,巫世晶,钟建英,等.高速大流量阀控液压缸缓冲优化设计[J].中南大学学报:自然科学版,2015(10):3646-3655.
[10]刘伟,徐兵,杨华勇,等.高压断路器液压操动机构特性分析[J].机械工程学报,2010,46(10):148-155.
[11]巫世晶,孟凡刚,李小勇,等.百万伏断路器传动机构有限元建模与分析[J].华中科技大学学报:自然科学版,2016,44(8):121-127.
[12]BAI Z F,ZHAO Y.A hybrid contact force model of revolute joint with clearance for planar mechanical systems[J].International Journal of Non-linear Mechanics,2013,48(1):15-36.
[13]KHEMILI I,ROMDHANE L.Dynamic analysis of a flexible slider-crank mechanism with clearance[J].European Journal of Mechanics,2008,27(5):882-898.
[14]RIXEN D J.A dual Craig-Bampton method for dynamic sub-structuring[J].Journal of Computational and Applied Mathematics,2004,168(1):383-391.
[15]周煜韬,戚连锁,庄劲武,等.考虑弹性变形的电磁斥力机构运动特性分析及实验[J].中国电机工程学报,2016(S1):206-212.