带实际负载运行的电动机效率确定方法探讨  

Discussion on Determination Method of Motor Efficiency with Actual Load

作　　者：姚磊 张传甲 程磊 刁兴为 柳也东 

机构地区：[1]威凯检测技术有限公司

出　　处：《日用电器》2019年第12期27-30,35,共5页ELECTRICAL APPLIANCES

基　　金：中国电器院子公司项目,项目名称:小功率电机能效分级研究,项目编号:SCRV2019049

摘　　要：小功率电动机广泛应用与家用电器中,常常由于电动机功率与整机不匹配,导致电动机在实际负载下不是运行在最优效率点,另外实际负载运行下的电动机运行参数与额定参数也有差别。本文就以上两个问题提出了带实际负载运行的电动机的效率确定方法,即应测试电机在70%额定负载、100%额定负载、140%额定负载三个工作点的效率值,也要考虑实际转速档位运行的电机效率。Low-power motors are widely used in household appliances.Often because the motor does not match the appliance,the motor is not running at the optimal efficiency point under the actual load.In addition,the motor operating parameters under actual load operation are also different from the rated parameters.In this paper,a method for determining the efficiency of the motor with actual load operation is proposed for the above two problems,i.e.the efficiency values of the motor should be testedat 70%rated load,100%rated load and 140%rated load,and It is also necessary to consider the efficiency of the motor running in the actual speed range.

关 键 词：家用电器 电动机 实际负载 效率 

分 类 号：TM32[电气工程—电机]