کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
704321 | 891243 | 2007 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
High frequency FEM-based power transformer modeling: Investigation of internal stresses due to network-initiated overvoltages
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی انرژی
مهندسی انرژی و فناوری های برق
پیش نمایش صفحه اول مقاله

چکیده انگلیسی
This paper presents a method of how to obtain both terminal and internal high frequency models of power transformers using FEM. The model is established from construction information and the approach implements frequency-dependent phenomena on a physical basis. Eddy current effects are represented accurately even with a relatively coarse mesh by using a frequency-dependent complex permeability representation for the core and windings. The model can be employed in EMTP-like programs for a variety of applications, such as analysis for FRA, internal/terminal stresses and transformer network interaction. Analyses of internal stresses are elucidated in this paper.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Electric Power Systems Research - Volume 77, Issue 11, September 2007, Pages 1483–1489
Journal: Electric Power Systems Research - Volume 77, Issue 11, September 2007, Pages 1483–1489
نویسندگان
E. Bjerkan, H.K. Høidalen,