【摘要】 针对大容量变压器在短路状态下线圈的机械稳定性问题,采用三维计算模型,选取空间梁单元模式,应用大位移小应变理论,选用Budiansky-Roth准测判断失稳临界状态,对线圈结构的非线性动静态稳定性进行有限元分析。更多还原

【Abstract】 This paper discusses nonlinear and dynamic stabilities of large power transformer coil under short-citcuit condition and cal-culates its spatial unstable critical loads and mode-shapes adapting spatial beam element and using the Budiansky-Roth criterion to evaluate unstable state based on the large displacement and small deformation theory.更多还原