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The Simulation Researoh of Transformer Modeling and Excitation Surge Based on EMTP/ATP
Author(s): 
Pages: 48-51
Year: Issue:  4
Journal: Electric Switcher

Abstract: 阐述了应用EMTP/ATP程序建立变压器励磁涌流仿真计算模型,该模型考虑了变压器的磁滞饱和特性及铁芯和绕组的结构形式.在所建立的模型上对变压器空载合闸时励磁涌流进行仿真研究,并利用离散傅立叶算法(DFT)对涌流中的谐波成分进行分析.仿真计算结果表明,该模型能较准确地仿真变压器的各种故障情况,为变压器差动保护的设计提供依据.
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