中文摘要：

扼要介绍所提出并建立的面向电气工程的TEAM Problem 21基准族的发展，给出关于基准模型的最新研究成果，进一步验证三维非线性涡流分析方法和软件的工程有效性，详细模拟在电工领域中一些实际的关键结构中的电磁行为和杂散损耗问题。

英文摘要：

This paper presents the summary of the TEAM Problem 21-based engineering-oriented benchmark family, highlights the new developments of TEAM Problem 21, validates the engineering effectiveness of the eddy current analysis methods and software, shows some new results concerning the benchmarking models, and simulates the stray field loss and electromagnetic behaviors of some key practical configurations in electrical engineering in detail.