液压电磁式断路器建模与分析
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摘要
建立了液压电磁式断路器电磁机构脱扣特性的仿真分析模型,通过有限元软件Ansys计算不同情况下的电磁吸力,分析其与气隙和衔铁角度的关系,为吸反力的配合提供参考依据。在Lab View软件中搭建电磁机构的动态数学模型,通过修改硅油粘度和弹簧(扭簧)等参数,分析脱扣特性的变化,为设计性能优良的断路器产品提供了理论基础。
The simulation model of hydraulic magnetic circuit breaker was established. Through the finite element software Ansys to calculate the electromagnetic force under different conditions,this paper analyzed its relation with air gap and angle of the armature. The basis for electromagnetic force and counter-force to cooperate was provided. A dynamic mathematical model of electromagnetic organization in Lab View software was built. By changing the viscosity of silicone oil and spring( torsion spring) parameter,it analyzed the variation of the tripping characteristic. This laid the theoretical foundation for designing the circuit breaker product with excellent performance.
The simulation model of hydraulic magnetic circuit breaker was established. Through the finite element software Ansys to calculate the electromagnetic force under different conditions,this paper analyzed its relation with air gap and angle of the armature. The basis for electromagnetic force and counter-force to cooperate was provided. A dynamic mathematical model of electromagnetic organization in Lab View software was built. By changing the viscosity of silicone oil and spring( torsion spring) parameter,it analyzed the variation of the tripping characteristic. This laid the theoretical foundation for designing the circuit breaker product with excellent performance.
引文
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[2]孙园,许志红.基于ANSYS软件的智能交流接触器电磁系统设计[J].低压电器,2006(11):3-8.
[3]DULAR P,SABARIEGO R V,GEUZAINE C,et al.Finite element magnetic models via a coupling of subproblems of lower dimensions[J].Magnetics,IEEE Transactions on,2010,46(8):2827-2830.
[4]DULAR P,DANG V Q,SABARIEGO R V,et al.Correction of thin shell finite element magnetic models via a subproblem method[J].Magnetics,IEEE Transactions on,2011,47(5):1158-1161.
[5]WHITE D.Nonphysical reverse currents in transient finite-element magnetics simulation[J].Magnetics,IEEE Transactions on,2009,45(4):1973-1989.
[6]贺雅洁,黄世泽,郭其一,等.基于Ansys的短路脱扣器电磁吸力仿真研究[J].低压电器,2012(19):5-9.
[7]王海燕,朱志豪,杨芳,等.基于有限元的直流断路器合闸电磁机构设计[J].高压电器,2013,49(7):71-74.
[8]刘建强,王栓强,李晓玲.复杂结构Pro/E模型导入ANSYS中的方法研究[J].新技术新工艺,2011(3):36-38.
[9]林抒毅,许志红.交流接触器三维动态过程数值计算与分析[J].中国电机工程学报,2014(18):2967-2975.
[10]郭会娟,苏秀苹,倪素娟,等.应用有限元法分析电磁式油阻尼脱扣器的动静特性[J].低压电器,2012(21):6-11.
[11]费鸿俊,张冠生.电磁机构动态分析与计算[M].北京:机械工业出版社,1993.
[12]欧进萍,丁建华.油缸间隙式粘滞阻尼器理论与性能试验[J].地震工程与工程振动,1999,19(4):82-89.
[13]机械设计手册编委会.机械设计手册·第2卷[M].新版.北京:机械工业出版社,2004.
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