交直流混合激励下变压器用叠片式磁构件杂散损耗问题的数值模拟及实验验证

doi:10.19595/j.cnki.1000-6753.tces.191725

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摘要基于TEAM-P21c基准模型深入研究交直流混合激励下变压器中叠片式磁构件杂散损耗的数值模拟及实验验证方法。考虑空载、负载条件下线圈损耗的差异,提出一种基于实验确定结构件杂散损耗的改进方法。搭建硅钢叠片磁特性、损耗特性测量系统,提出可考虑偏置磁场影响的铁损模型,并用于计算三维漏磁场激励下的叠片式磁构件的杂散损耗。通过磁场、损耗的仿真与实验结果对比,验证了该文方法的有效性。最终基于仿真及测量结果,分析了直流偏置磁场对杂散损耗的影响,得到了交直流混合激励下导磁构件中附加损耗的分布及其对杂散损耗的影响。

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关键词 ： TEAM-P21c基准模型, 磁构件, 杂散损耗, 交直流混合激励, 附加损耗

Abstract：Based on the TEAM-P21c benchmark model, the numerical simulation and experimental verification methods of the stray-field loss of laminated magnetic components in transformers under AC-DC hybrid excitation are thoroughly studied. For determining the stray-field loss of the structural part more accurately, an improved method based on experiments considering the difference of coil loss under no-load and load conditions is proposed. An enhanced measurement system based on TEAM-P21c for the magnetic and loss characteristics of silicon steel laminations was established. An iron loss model considering the influence of the DC-biased magnetic field was proposed, and it was used to calculate the stray-field loss of laminated magnetic components under the excitation of 3-D leakage magnetic field. By comparing the simulation and experimental results of the magnetic field and loss, the validity of this method is verified. Finally, based on the simulation and measurement results, the influence of the DC-biased magnetic field on the stray-field loss was analyzed. Hence, the distribution and effect on the stray-field loss of the additional loss in the magnetic component under the AC-DC hybrid excitation are obtained.

Key words： TEAM-P21c benchmark model magnetic components stray-filed loss AC-DC hybrid excitation additional iron loss

收稿日期: 2019-12-12

PACS:

TM153

基金资助:国家重点研发计划（2017YFB0902703）、国家自然科学基金（51777073）、河北省自然科学基金（E2017502061）和中央高校基本科研业务费（2019 MS078）资助项目

通讯作者: 赵小军,男,1983年生,副教授,硕士生导师,研究方向电工材料磁性能测量与模拟技术,频域数值计算方法,变压器直流偏磁及振动噪声问题,多物理场耦合模型及计算方法。E-mail：zxjncepu@ncepu.edu.cn

作者简介: 曹越芝,女,1997年生,硕士研究生,研究方向为电磁场理论及其应用等。E-mail：black_csong@ncepu.edu.cn

引用本文:

赵小军, 曹越芝, 刘兰荣, 王佳雯, 程志光. 交直流混合激励下变压器用叠片式磁构件杂散损耗问题的数值模拟及实验验证[J]. 电工技术学报, 2021, 36(1): 141-150. Zhao Xiaojun, Cao Yuezhi, Liu Lanrong, Wang Jiawen, Cheng Zhiguang. Numerical Simulation and Experimental Verification of Stray Loss of Laminated Magnetic Components for Transformers under AC-DC Hybrid Excitation. Transactions of China Electrotechnical Society, 2021, 36(1): 141-150.

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