The Temperature Variation Characteristic Analysis Based on the Electromagnetic-Thermal Coupled Method for the Dry-type Transformer

被引：0

作者：

Li, Na ^{[1
]}

Sun, Yuanyuan ^{[1
]}

Hu, Yiru ^{[2
]}

Zhang, Lina ^{[2
]}

Zhong, Hui ^{[1
]}

Wang, Erdong ^{[1
]}

机构：

[1] Shandong Univ, Sch Elect Engn, Jinan, Peoples R China

[2] CNOOC Res Inst, Engn Res & Design Dept, Beijing, Peoples R China

来源：

2019 22ND INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES AND SYSTEMS (ICEMS 2019) | 2019年

关键词：

Dry-type Transformer; Multi-physics Coupling; Temperature Variation Characteristic;

D O I：

10.1109/icems.2019.8922511

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：

In order to obtain the temperature variation characteristic and overload capability of the dry-type transformers in the ocean oil-extracting power system, an electromagnetic-thermal coupled method is proposed in this paper. Firstly, the heat generation and dissipation mechanism of the dry-type transformer are analyzed, and the uniform equations of electromagnetic and thermal analysis are established through the electric power losses. Then, a 3D finite element model is established to describe the electromagnetic thermal coupling characteristics for the dry-type transformer. And considered the effects of temperature on electrical conductivity. Finally, the power losses and temperature rise of the dry-type transformer components are calculated, and the relationship among the load factor, losses and temperature variation are analyzed in detail. In addition, the allowable overload capability are considered based on the temperature limit.

引用

页码：665 / 669

页数：5

共 17 条

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