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首页> 外文期刊>IEEE Transactions on Magnetics >Segregation of Iron Losses From Rotational Field Measurements and Application to Electrical Machine
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Segregation of Iron Losses From Rotational Field Measurements and Application to Electrical Machine

机译：旋转磁场测量中铁损的分离及其在电机中的应用

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摘要

This paper presents a methodology for identifying a novel iron loss model and segregating the different loss components from measurements on a single-sheet tester with alternating and rotating fields. The eddy-current losses are first extracted with a 1-D numerical approach and the hysteresis and excess losses are then estimated with an analytical method that allows the separation of alternating and rotational hysteresis as well as excess losses. The elaborated iron loss model can be applied in case of distorted flux density and on a wide range of frequencies. The identified model is further applied in the time-stepping computation of an induction motor in the view of better estimation and segregation of iron losses. The results of no-load simulations at different voltage levels are in good agreement with the measured ones. All of the presented computations and models were validated experimentally.
机译：本文提出了一种方法，该方法可用于识别新型铁损模型，并在具有交替和旋转磁场的单张测试仪上将测量中的不同损失成分分开。首先通过一维数值方法提取涡流损耗，然后使用分析方法估算磁滞和过大损耗，该方法允许分离交变和旋转磁滞以及过大损耗。精心设计的铁损模型可以在通量密度畸变的情况下以及在很宽的频率范围内使用。考虑到更好地估计和分离铁损，将识别出的模型进一步应用于感应电动机的时间步长计算中。在不同电压水平下的空载仿真结果与测得的结果非常吻合。所有提出的计算和模型均通过实验验证。

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