This paper presents topology optimization of HTS racetrack coils for large HTS synchronous machines. The topology optimization is used to acquire optimal coil designs for the excitation system of 3 T HTS machines. Several tapes are evaluated and the optimization results are discussed. The optimization algorithm is formulated to minimize the cost for the coils wound with one type of HTS as well as multiple HTS types. It could also be used to minimize other parameters, e.g. space required for the coils. The results are inherently highly dependent on the HTS properties, which at 20 K seem to be in favor of the 1 G tape. The maximal HTS savings achieved allowing multiple current supplies in the excitation system are investigated and estimated to be in the range of 50% for highly nonlinear J-B dependence HTS tapes.
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机译：本文介绍了用于大型HTS同步电机的HTS跑道线圈的拓扑优化。拓扑优化用于获取3 T HTS电机励磁系统的最佳线圈设计。评估了几种磁带，并讨论了优化结果。制定了优化算法，以最小化一种类型的HTS以及多种类型的HTS缠绕的线圈的成本。它也可以用于最小化其他参数，例如线圈所需的空间。结果本质上高度依赖于HTS属性，在20 K时似乎更倾向于1 G磁带。对于高度依赖于J-B的HTS磁带，研究并估计了在励磁系统中允许提供多个电流的最大HTS节省量，估计在50％范围内。
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