| 大容量变压器线圈短路状态下非线性稳定性与动力稳定性 |
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| 引用本文： | 曹志军 胡家炘 巨建民 郭吉坦 毕巧巍. 大容量变压器线圈短路状态下非线性稳定性与动力稳定性[J]. 大连铁道学院学报, 2003, 24(2): 31-35 |
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| 作者姓名： | 曹志军 胡家炘 巨建民 郭吉坦 毕巧巍 |
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| 作者单位： | [1]大连铁道学院交通运输工程系，辽宁大连116028 [2]沈阳工业大学，辽宁沈阳110023 |
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| 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．
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| 关 键 词： | 大容量变压器 线圈 短路 非线性稳定性 动力稳定性 三维计算模型 有限元分析 可靠性 |
Study of Nonlinear and Dynamic Stabilities of Large Power Transformer Coils Under Short-Circuit Condition |
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| CAO Zhi-jun,HU Jia-xin,JU Jian-min,GUO Ji-tan,BI Qiao-wei. Study of Nonlinear and Dynamic Stabilities of Large Power Transformer Coils Under Short-Circuit Condition[J]. Journal of Dalian Railway Institute, 2003, 24(2): 31-35 |
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| Authors: | CAO Zhi-jun HU Jia-xin JU Jian-min GUO Ji-tan BI Qiao-wei |
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| 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. |
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| Keywords: | transformer coil short-circuit dynamic stability nonlinear analysis limited element |
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