Electromagnetic and Thermal Field Modeling of Wind Power Reactor Based on Amorphous and Silicon-Steel Hybrid Core

doi:10.11985/2017.10.003

Abstract

Abstract:

A hybrid core reactor is proposed based on silicon-steel and amorphous alloy in this paper. Amorphous alloy is used as core legs and silicon-steel is used as yoke core in the designed reactor. The electromagnetic and thermal field coupled model is built using three-dimensional finite element method. Compared with the conventional silicon-steel core reactor, the simulation results show that the designed hybrid core reactor can reduce eddy-current loss and temperature rise.

Key words: Hybrid core reactor, finite element method, electromagnetic and thermal field

CLC Number:

TM47

Zheng Jianfen,Wang Chunfang,Wang Fang,Xia Dongwei. Electromagnetic and Thermal Field Modeling of Wind Power Reactor Based on Amorphous and Silicon-Steel Hybrid Core[J]. Journal of Electrical Engineering, 2017, 12(10): 19-24.

Figures/Tables 8

References 10

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Reactor core material	Amorphous core	Silicon-steel core (for comparison)
Fundamental frequency/Hz	50	50
Fundamental current/A	800	800
Harmonic frequency/kHz	3	3
Resistivity/Ω·m	130e-8	47e-8
Thermal conductivity/m·K	50.2	22.6
Thermal capacitance/[J/(kg·K)]	434	300
Mass density/(kg/m³)	7 180	7 650

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