三相异步电动机定子铜耗检测管理数据

电动机定子铜耗是电机在工作中由于电流通过铜导线引起的损耗，导致铜线成为电机内部最大的损失部分，通常用额定电流下的电阻来计算，并用铜线损耗来表示。定子铜耗是衡量电机损耗和效率的重要指标之一，它不仅影响电机的发热量，还会导致电机效率下降、寿命减短等问题，在电机设计和选型中，应根据具体要求和情况进行合理的设计和选择。通过国家标准，进而确定在具体条件下三相异步电动机定子铜耗值，为生产企业质量改进、加强政府监管、保障消费者出行安全提供参考和技术支撑。检测电机在额定状态下运行的各项参数，包括负载点绕组温度θt、绕组初始(冷)端电阻R1，测量 R1时绕组温度θ1定子电流I1、定子铜耗Pcu1=1.5I1²*R1*（235+θt）/（235+θ1）
。算法根据三相异步电动机产品定子铜耗测量方法和测量程序，确定被测量（输出量）Pcu1与其它量（输入量）θt、R1、θ1、 I1之间的函数关系，测量结果Pcu1将取决于输入量θt、R1、θ1、 I1，形成最终的电机定子铜耗。

Stator copper loss of electric motors refers to the losses caused by current flowing through copper windings during motor operation, making copper windings the largest loss component inside the motor. It is usually calculated using the resistance under rated current and expressed as copper winding loss. As one of the important indicators for evaluating motor losses and efficiency, stator copper loss not only affects the heat generation of the motor, but also causes problems such as reduced motor efficiency and shortened service life. Therefore, reasonable design and selection should be carried out according to specific requirements and conditions during motor design and selection.
National standards are adopted to determine the stator copper loss value of three-phase asynchronous motors under specific conditions, which provides reference and technical support for production enterprises to improve product quality, strengthen government supervision, and ensure consumer travel safety.
Various parameters of the motor operating under rated conditions are detected, including winding temperature at the load point θt, initial (cold) winding resistance R1, winding temperature θ1 when measuring R1, stator current I1, and the stator copper loss Pcu1 is calculated as Pcu1=1.5I1²*R1*(235+θt)/(235+θ1).
Based on the measurement methods and procedures for stator copper loss of three-phase asynchronous motor products, the algorithm determines the functional relationship between the measured variable (output variable) Pcu1 and other input variables θt, R1, θ1 and I1. The measurement result Pcu1 depends on these input variables, thus obtaining the final stator copper loss of the motor.

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该数据集由台州市产品质量安全检测研究院登记，包含91条三相异步电动机定子铜耗检测管理数据，每月更新。数据应用于电机设计和选型，通过国家标准确定定子铜耗值，为质量改进和政府监管提供技术支撑。算法基于电机运行参数计算定子铜耗，数据已在浙江省知识产权区块链公共存证平台存证。