Calculation of Distributed Parameters of Transformer Winding Based on the Model of Multi-conductor Transmission Line

RUAN Ling1; ZHAO Chun2; RUAN Jiang-jun2; DU Zhi-ye2; CHEN Liang2; GAO Sheng-you3

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Calculation of Distributed Parameters of Transformer Winding Based on the Model of Multi-conductor Transmission Line

更新时间：2025-05-17

- Calculation of Distributed Parameters of Transformer Winding Based on the Model of Multi-conductor Transmission Line
- High VoltageApparatus Vol. 45, Issue 4, Pages: 41-46(2009)
- 作者机构：
  
  1. 湖北省电力试验研究院
  2. 武汉大学电气工程学院
  3. 清华大学电机系
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM401
- Published：2009
- 稿件说明：
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[1]阮羚,赵淳,阮江军,杜志叶,陈亮,高胜友.基于多导体传输线模型的变压器绕组分布参数计算[J].高压电器,2009,45(04):41-46.

RUAN Ling1, ZHAO Chun2, RUAN Jiang-jun2, et al. Calculation of Distributed Parameters of Transformer Winding Based on the Model of Multi-conductor Transmission Line[J]. High voltageapparatus, 2009, 45(4): 41-46.
[1]阮羚,赵淳,阮江军,杜志叶,陈亮,高胜友.基于多导体传输线模型的变压器绕组分布参数计算[J].高压电器,2009,45(04):41-46. DOI：

RUAN Ling1, ZHAO Chun2, RUAN Jiang-jun2, et al. Calculation of Distributed Parameters of Transformer Winding Based on the Model of Multi-conductor Transmission Line[J]. High voltageapparatus, 2009, 45(4): 41-46. DOI：

摘要

为了研究局部放电信号在变压器绕组内部的传播过程

建立了变压器线圈绕组的多导体传输线模型。以40匝单层绕组为特例

根据绕组的轴对称性

建立二维等效有限元模型。考虑绕组核心材料为空心、铝心和铁心的情况

分别采用静电场和时谐磁场模型计算变压器绕组的电容、电感、电阻分布参数。对于频变参数

选取多个频率点进行时谐场计算。在求解过程中

重点考虑了趋肤效应的影响。参数计算的结果同实测的结果基本吻合

计算方法对于研究局部放电（PD）脉冲在电力设备中的传播特性有十分重要的意义。

Abstract

In order to investigate the propagation process of partial discharge pulses in transformer winding

a simulation model of 40-turn single-layer winding based on multi-conductor transmission line theory is established.The core material of the winding is regarded as hollow

iron and aluminum respectively.According to the symmetry of a winding

a 2D equivalent finite element model is set up in ANSYS environment.In the process of calculation

the skin effect is taken into consideration.The frequency-dependent parameters are calculated at different frequency points in time-harmonic magnetic field based on FEM.The simulation results basically tally with the measurement values.The proposed methods of calculating parameters are helpful to research on propagation characteristics of partial discharge（PD） pulses in electric equipments.

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