Analytical Modeling of Solenoid Inductance in Intermediate-Frequency Electromagnetic Heating System

IF 1.7 3区物理与天体物理 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC IEEE Transactions on Applied Superconductivity Pub Date : 2024-09-10 DOI:10.1109/TASC.2024.3456573

Jiaocui Wan;Zhanyang Yu;Pengzhe Zhuang;Xuyang Hu;Xiaoyao Yu;Yan Li

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Abstract

Solenoid is core component of intermediate-frequency Electromagnetic heating system, and its inductance affects power and efficiency of system. In order to accurately calculate inductance of solenoid under different working conditions, an analytical calculation model of solenoid inductance is proposed, which can consider nonlinear variation and temperature change of ferromagnetic material. First of all, magnetic and electrical properties of Q235 are tested by ring sample method and van der Pauw method, and relative permeability curves under different magnetic densities and resistivity curves at different temperatures are obtained. Secondly, based on equivalent magnetic network (EMN) solution method, analytical calculation model of solenoid inductance considering nonlinearity of ferromagnetic material is established, magnetic field distribution in solution domain is calculated, and solenoid inductance value is obtained. Influence of temperature change on solenoid inductance is considered. Finally, a set of rated power 25 kW intermediate-frequency electromagnetic energy storage solenoid is tested under multiple operating conditions to verify effectiveness of proposed analytical model.

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中频电磁加热系统中螺线管电感的分析建模

电磁线圈是中频电磁加热系统的核心部件，其电感量影响系统的功率和效率。为了准确计算不同工况下电磁线圈的电感值，本文提出了电磁线圈电感值的分析计算模型，该模型可以考虑铁磁材料的非线性变化和温度变化。首先，采用环样法和范德坡法测试了 Q235 的磁性和电性，得到了不同磁密度下的相对磁导率曲线和不同温度下的电阻率曲线。其次，基于等效磁网络（EMN）求解方法，建立了考虑铁磁材料非线性的螺线管电感分析计算模型，计算了求解域中的磁场分布，得到了螺线管电感值。考虑了温度变化对螺线管电感的影响。最后，在多种工作条件下测试了一组额定功率为 25 kW 的中频电磁储能螺线管，以验证所提分析模型的有效性。

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来源期刊

IEEE Transactions on Applied Superconductivity 工程技术-工程：电子与电气

CiteScore

3.50

自引率

33.30%

发文量

650

审稿时长

2.3 months

期刊介绍： IEEE Transactions on Applied Superconductivity (TAS) contains articles on the applications of superconductivity and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Large scale applications include magnets for power applications such as motors and generators, for magnetic resonance, for accelerators, and cable applications such as power transmission.