基于模拟工况的电梯变频器试验装置的设计与实现  

Design and Implementation of an Elevator Frequency Converter Test Device

作　　者：赖立 佘昆 王葵 Lai Li;She Kun;Wang Kui(Guangdong Institute of Special Equipment Inspection and Research Huizhou Branch,Huizhou,Guangdong 516003,China;Guangdong Institute of Special Equipment Inspection and Research,Guangzhou 528251,China)

机构地区：[1]广东省特种设备检测研究院惠州检测院,广东惠州516003 [2]广东省特种设备检测研究院,广州528251

出　　处：《机电工程技术》2024年第11期265-268,共4页Mechanical & Electrical Engineering Technology

摘　　要：针对电梯变频器相关试验方法和试验设备缺乏的问题,开发了一款电梯变频器试验装置,对电梯变频器相关性能进行试验研究。该试验装置包括试验曳引机、加载系统、电能质量分析仪和三相功率分析仪,变频器的一端连接电网,一端连接试验曳引机,电梯曳引机的轮轴输出端和加载系统机械连接,电能质量分析仪安装在电网和变频器输入端之间,三相功率分析仪安装在变频器和试验曳引机之间。试验过程中,通过调整加载系统使变频器输出不同的功率,模拟变频器各个不同的工况,采用电能质量分析仪和三相功率分析仪分别读取变频器输入端和输出端的电参数,完成变频器性能指标的测试。试验结果表明,试验人员可以在实验室内采用试验装置完成电梯变频器在各种不同工况下的试验,被测试电梯变频器的功率因数较低、谐波含量高,建议电梯变频器相关厂家采取相关措施提升产品性能。In view of the lack of test methods and test equipment related to elevator frequency converter,an elevator frequency converter test device is developed to conduct experimental research on the related performance of elevator frequency converter.The test device includes test traction machine,loading system,power quality analyzer and three-phase power analyzer.One end of the frequency converter is connected to the power grid,the other end is connected to the test traction machine,the shaft output end of the elevator traction machine is mechanically connected to the loading system,and the power quality analyzer is installed between the power grid and the input end of the frequency converter.The three-phase power analyzer is installed between the frequency converter and the test traction machine.In the test process,the loading system is adjusted to make the inverter output different power,and different working conditions of the inverter are simulated.The power quality analyzer and the three-phase power analyzer are used to read the electrical parameters of the input and output of the inverter respectively,and the test of the performance index of the inverter is completed.The test results show that the test personnel can use the test device to complete the test of the elevator inverter under various working conditions in the laboratory.The power factor of the tested elevator inverter is low and the harmonic content is high.It is suggested that the relevant manufacturers of elevator inverter take relevant measures to improve the product performance.

关 键 词：电梯 变频器 试验装置 效率 电能质量 

分 类 号：TU857[建筑科学]