Calculation of DC Bias Reactive Power Loss of Converter Transformer via Finite Element Analysis

被引：24

作者：

Zhang, Xiaoyue ^{[1
]}

Liu, Xinghua ^{[1
]}

Guo, Fanghong ^{[2
]}

Xiao, Gaoxi ^{[3
]}

Wang, Peng ^{[3
]}

机构：

[1] Xian Univ Technol, Sch Elect Engn, Xian 710048, Peoples R China

[2] Zhejiang Univ Technol, Dept Automat, Hangzhou 310032, Peoples R China

[3] Nanyang Thchnol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore

来源：

IEEE TRANSACTIONS ON POWER DELIVERY | 2021年 / 36卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Converter transformer; dc bias; finite element model; reactive power loss; TRANSIENT; 3-PHASE; FIELD;

D O I：

10.1109/TPWRD.2020.2991293

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper proposes a novel and applicable approach to calculate the reactive power loss of converter transformer under dc bias. By using this proposed method, only general information of the converter transformer and the network is needed for the calculation within a certain dc current range. Specifically, a three-dimensional model of +/- 800 kV converter transformer model for simulation test is established by the finite element method. Through simulation test, the electromagnetic characteristics and reactive loss characteristics of converter transformer under dc bias can be obtained, and the relationship between the bias current and the reactive loss of +/- 800 kV converter transformer is quantified. Simulation results validate the feasibility of proposed algorithm.

引用

页码：751 / 759

页数：9

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