Variable Frequency Transformer Design for New Energy Microgrids and Grid Interconnections

被引：0
|
作者：
Zhang, Yifan [1 ]
Huang, Sheng [1 ]
Ma, Bo [1 ]
Zhu, Jianguo [2 ]
Lei, Gang [3 ]
机构：
[1] Hunan Univ, Coll Elect & Informat Engn, Changsha, Peoples R China
[2] Univ Sydney, Sch Elect & Informat Engn, Sydney, NSW, Australia
[3] Univ Sydney, Sch Elect & Data Engn, Sydney, NSW, Australia
来源：
2024 IEEE 21ST BIENNIAL CONFERENCE ON ELECTROMAGNETIC FIELD COMPUTATION, CEFC 2024 | 2024年
关键词：
variable frequency transformer; power transfer; electromagnetic design; finite element analysis;
D O I：
10.1109/CEFC61729.2024.10585827
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
The variable frequency transformer (VFT) is investigated in this research for a new type of grid interconnection solution. Taking advantage of the moment of inertia of the rotor, the ability of the power system on coping with the sudden fluctuation can be enhanced. Aiming at a feasible design in this application condition, the design requirement is firstly specified based on the application configuration, and operation principle and kinetic energy analysis of the VFT. The distribution relationship between electromagnetic power and mechanical power, as well as the effects of torque change and grid-side frequency change on power transmission are analyzed to provide reference for the stable transmission and reliable control of VFT power. Then to meet the design specification, the design process is summarized. The design result is verified in a 15-kW design example and test platform.
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页数：2
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