聚变装置高温超导磁体系统电磁仿真方法研究
TK01%TL62; [目的]高温超导磁体系统的应用是未来托卡马克装置的重要技术路线,然而高温超导带材的磁场各向异性以及复杂的导体结构极大地增加了聚变装置高温超导磁体系统电磁设计阶段仿真模拟的复杂度,因此需要针对其电磁仿真以及简化方法开展相应研究.[方法]通过有限元仿真软件COMSOL建立高温超导磁体系统总体电磁仿真模型与各种简化模型,对其相关电磁性能进行了仿真分析与对比.[结果]等离子体区域中心磁场与最大波纹度的计算结果主要受纵场(toroidal field,TF)线圈产生的磁场控制,而TF线圈对中心螺线管(central solenoid,CS)线圈上的磁场分布影响很小.当结合导体的详细...
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| Published in | 发电技术 Vol. 45; no. 6; pp. 1030 - 1038 |
|---|---|
| Main Authors | , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
华中科技大学国家脉冲强磁场科学中心,湖北省 武汉市 430074
31.12.2024
强电磁工程与新技术国家重点实验室(华中科技大学电气与电子工程学院),湖北省武汉市 430074 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 2096-4528 |
| DOI | 10.12096/j.2096-4528.pgt.24128 |
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| Abstract | TK01%TL62; [目的]高温超导磁体系统的应用是未来托卡马克装置的重要技术路线,然而高温超导带材的磁场各向异性以及复杂的导体结构极大地增加了聚变装置高温超导磁体系统电磁设计阶段仿真模拟的复杂度,因此需要针对其电磁仿真以及简化方法开展相应研究.[方法]通过有限元仿真软件COMSOL建立高温超导磁体系统总体电磁仿真模型与各种简化模型,对其相关电磁性能进行了仿真分析与对比.[结果]等离子体区域中心磁场与最大波纹度的计算结果主要受纵场(toroidal field,TF)线圈产生的磁场控制,而TF线圈对中心螺线管(central solenoid,CS)线圈上的磁场分布影响很小.当结合导体的详细结构并考虑高温超导带材的磁场各向异性时,垂直磁场的计算结果与总体模型相比具有较大差异.[结论]在等离子体区域内的相关电磁参数的计算上可以仅考虑TF线圈,而在分析CS线圈上磁场时可忽略TF线圈.此外,通过结合导体结构的平均电流分布,可以有效降低高温超导带材垂直磁场的仿真计算误差. |
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| AbstractList | TK01%TL62; [目的]高温超导磁体系统的应用是未来托卡马克装置的重要技术路线,然而高温超导带材的磁场各向异性以及复杂的导体结构极大地增加了聚变装置高温超导磁体系统电磁设计阶段仿真模拟的复杂度,因此需要针对其电磁仿真以及简化方法开展相应研究.[方法]通过有限元仿真软件COMSOL建立高温超导磁体系统总体电磁仿真模型与各种简化模型,对其相关电磁性能进行了仿真分析与对比.[结果]等离子体区域中心磁场与最大波纹度的计算结果主要受纵场(toroidal field,TF)线圈产生的磁场控制,而TF线圈对中心螺线管(central solenoid,CS)线圈上的磁场分布影响很小.当结合导体的详细结构并考虑高温超导带材的磁场各向异性时,垂直磁场的计算结果与总体模型相比具有较大差异.[结论]在等离子体区域内的相关电磁参数的计算上可以仅考虑TF线圈,而在分析CS线圈上磁场时可忽略TF线圈.此外,通过结合导体结构的平均电流分布,可以有效降低高温超导带材垂直磁场的仿真计算误差. |
| Abstract_FL | [Objectives]The application of high-temperature superconductivity(HTS)magnet system is an important technical route for future tokamak devices.However,the magnetic field anisotropy of the HTS tape and the complex conductor structures greatly increase the complexity of the simulation in the electromagnetic design stage of the HTS magnet system of the fusion device.It is necessary to carry out the corresponding research on the electromagnetic simulation and simplified methods.[Methods]The finite element simulation software COMSOL was used to establish the overall electromagnetic simulation model and various simplified models of the HTS magnet system,and the related electromagnetic properties were simulated and compared.[Results]The calculation results of the central magnetic field and the maximum ripple of plasma are mainly controlled by the magnetic field generated by the toroidal field(TF)coil.However,the TF coil has little influence on the magnetic field distribution on the central solenoid(CS)coil.When the detailed structure of the conductor is combined and the magnetic field anisotropy of the HTS tape is considered,the calculated results of the vertical magnetic field show a large difference compared with the overall model.[Conclusions]The TF coil can only be considered in the calculation of the relevant electromagnetic parameters in the plasma region,and the TF coil can be ignored in the analysis of the magnetic field on the CS coil.In addition,by combining the average current distribution of the conductor structure,the simulation error of the vertical magnetic field of the HTS tape can be effectively reduced. |
| Author | 严植泳 徐浩睿 谭运飞 王苏鑫 李留江 |
| AuthorAffiliation | 强电磁工程与新技术国家重点实验室(华中科技大学电气与电子工程学院),湖北省武汉市 430074;华中科技大学国家脉冲强磁场科学中心,湖北省 武汉市 430074 |
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| Author_FL | YAN Zhiyong TAN Yunfei WANG Suxin XU Haorui LI Liujiang |
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| Keywords | 核聚变 电磁分析 高温超导磁体 electromagnetic analysis model comparison 模型对比 nuclear fusion high-temperature superconductivity tokamak magnet system 托卡马克磁体系统 聚变发电 fusion power |
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| Publisher | 华中科技大学国家脉冲强磁场科学中心,湖北省 武汉市 430074 强电磁工程与新技术国家重点实验室(华中科技大学电气与电子工程学院),湖北省武汉市 430074 |
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