Variable-frequency asynchronous motor as the propulsion motor is widely used in USV.In this paper,the Ansfot electromagnetic field analysis method and the traditional analog calculation method were adopted to analyse and calculate the various performance of the asynchronous motor for USV,the test results were compared.The results show that the two methods all can meet the need of calculated results for practical engineering performance parameters,two methods are available for motor electromagnetic design analysis and calculation in engineering practice.%变频异步电机作为推进电机在USV上普遍采用.本文对USV用异步电机分别采用Ansfot电磁场分析计算方法和传统模拟计算方法进行了各种性能的分析计算,并与试验结果进行了对比.结果表明,两种方法均能给出满足工程实际需要的性能参数计算结果,在工程实际中两种方法均可用来进行电机的电磁设计分析计算.
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