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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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

Received: 12 December 2019

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TM153

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	Articles by authors
	Zhao Xiaojun
	Cao Yuezhi
	Liu Lanrong
	Wang Jiawen
	Cheng Zhiguang

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Zhao Xiaojun,Cao Yuezhi,Liu Lanrong等. Numerical Simulation and Experimental Verification of Stray Loss of Laminated Magnetic Components for Transformers under AC-DC Hybrid Excitation[J]. Transactions of China Electrotechnical Society, 2021, 36(1): 141-150.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.191725 OR https://dgjsxb.ces-transaction.com/EN/Y2021/V36/I1/141

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