By means of Hirota method,N-soliton solutions of the modified KdV equation under the Bargmannconstraint are obtained through solving the Bargmann constraint and the related Lax pair and conjugate Lax pair ofthe modifi...By means of Hirota method,N-soliton solutions of the modified KdV equation under the Bargmannconstraint are obtained through solving the Bargmann constraint and the related Lax pair and conjugate Lax pair ofthe modified KdV equation.展开更多
针对目前普遍使用的电弧模型无法完整地模拟电弧单次放电的全程,进而影响到特快速的暂态过电压(Very Fast Transient Overvoltage,VFTO)的计算与仿真的情况,提出了一种单次电弧击穿模型;同时联合重燃理论设计了一种电弧重燃模型;电弧单...针对目前普遍使用的电弧模型无法完整地模拟电弧单次放电的全程,进而影响到特快速的暂态过电压(Very Fast Transient Overvoltage,VFTO)的计算与仿真的情况,提出了一种单次电弧击穿模型;同时联合重燃理论设计了一种电弧重燃模型;电弧单次放电全过程分为即将击穿、稳定燃烧与熄弧3个过程,该单次电弧击穿模型综合考虑了这3个过程,在每一过程分别构建相应模型模拟相对应的电弧状态,各个状态的过渡通过追踪电弧电流来完成;同时电弧重燃模型可以准确地模拟电弧的实际状态;通过仿真,验证了该模型的实用性,且可以发现在重燃模型下的VFTO的波形显著差异于单次电弧击穿模型下的情况。展开更多
基金Supported by National Natural Science Foundation of China(61074013)New Century Excellent Talents in University(NCET-10-0328)Specialized Research Fund for the Doctoral Program of Higher Education of China(20090092110022)
基金Supported by Anhui Provincial Natural Science Foundation(1408085QF134)Natural Science Foundation of the Anhui Higher Education Institutions(KJ2015A252)Initial Research Fund from Chuzhou University(2014qd022)
基金Supported by the National Natural Science Foundation of China under Grant Nos.10371070 and 10671121
文摘By means of Hirota method,N-soliton solutions of the modified KdV equation under the Bargmannconstraint are obtained through solving the Bargmann constraint and the related Lax pair and conjugate Lax pair ofthe modified KdV equation.
文摘针对目前普遍使用的电弧模型无法完整地模拟电弧单次放电的全程,进而影响到特快速的暂态过电压(Very Fast Transient Overvoltage,VFTO)的计算与仿真的情况,提出了一种单次电弧击穿模型;同时联合重燃理论设计了一种电弧重燃模型;电弧单次放电全过程分为即将击穿、稳定燃烧与熄弧3个过程,该单次电弧击穿模型综合考虑了这3个过程,在每一过程分别构建相应模型模拟相对应的电弧状态,各个状态的过渡通过追踪电弧电流来完成;同时电弧重燃模型可以准确地模拟电弧的实际状态;通过仿真,验证了该模型的实用性,且可以发现在重燃模型下的VFTO的波形显著差异于单次电弧击穿模型下的情况。