The research domain of electric machinery and electric equipment includes: The large dynamo in power system, electromotor, those who having wide application is medium or small electric machinery.
电机与电器的研究领域包括：电力系统中的大型发电机、电动机，有着广泛应用的中小型电机。
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The essay is aimed to the experiment system to heat preservation diesel dynamo in free load and full load . It can realize recording electric parameter , heat parameter, memory time and in real-time .