| 用于变压器线圈暂态分析的导线内阻抗的计算 |
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| 引用本文： | 何青,王赞基.用于变压器线圈暂态分析的导线内阻抗的计算[J].清华大学学报(自然科学版),1995(4). |
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| 作者姓名： | 何青 王赞基 |
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| 作者单位： | 清华大学电机工程与应用电子技术系 |
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| 摘 要： | 推导了变压器线圈以线匝为单元的内阻抗的计算模型。模型包括在大约５００ｋＨｚ以下频率范围先用二维时变场的有限元法计算１０多种常用线规的内阻抗作为样本，然后通过人工神经网络学习形成权重系数，以备实际变压器暂态频域分析使用；在大约５００ｋＨｚ以上频率范围，内阻抗采用薄板解析公式计算。
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| 关 键 词： | 内阻抗计算 频率依赖 有限元法 人工神经网络 |
Calculation of the internal impedance of wire for the transient simulation in transformer windings |
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| He Qing, Wang Zanji.Calculation of the internal impedance of wire for the transient simulation in transformer windings[J].Journal of Tsinghua University(Science and Technology),1995(4). |
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| Authors: | He Qing Wang Zanji |
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| Abstract: | A model has been worked out for determining the internal impedance of a turnconductor in transformer coil. In the model , the internal impedance-under about 500 kHz isfirstly obtained by solving a two-dimensional eddy field for several frequently used wireslthen these calculated impedances are used to determine the weight coefficients in a feedfoward multilayer neural network by back-propagation learning algorithm for practical use intransient simulations above about 500 kHz the internal impedance is analytically calculated. |
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| Keywords: | internal impedance calculation frequency dependent FEM artificial neural network |
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