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Comparative analysis of line-start permanent magnet synchronous motor and squirrel cage induction motor under customary power quality indices

机译：常规电能质量指标下线启动永磁同步电动机和鼠笼式电动机的比较分析

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摘要

Super premium efficiency (IE4) line-start permanent magnet synchronous motor (LSPMSM) is one of the good alternatives to the squirrel cage induction motor (SCIM), especially for a line-start application. Motor performance parameters like efficiency, input power consumption, power factor, starting behavior and torque ripple are affected primarily because of the customary power quality indices. The problems originate due to furnaces, power electronic converters, nonlinear loads, digital controllers, modern electrical equipments and lively load variations. Hence, the performance analysis of LSPMSM and SCIM is essential to understand the motor behavior. Voltage harmonic distortion, voltage unbalance factor and long-duration voltage variation are considered in this study. Customary power quality indices (CPQI) are collected using power and energy analyzer in a sugar industry at various measured points. In the present study, 2.2 kW LSPMSM is designed and prototyped for constant load operation. The designed motor and SCIM are used for analyzing the performance using finite element analysis under the influence of measured CPQI and the effects on its individual performance parameters.
机译：超级优质效率（IE4）线路启动永磁同步电动机（LSPMSM）是鼠笼感应电机（SCIM）的良好替代品之一，特别是对于线路启动应用。电动机性能参数，如效率，输入功耗，功率因数，起始行为和扭矩脉动主要是由于惯用电能质量指标的影响。这些问题源于熔炉，电力电子转换器，非线性负载，数字控制器，现代电气设备和活跃的负载变化。因此，LSPMSM和SCIM的性能分析对于了解电机行为至关重要。该研究中考虑了电压谐波失真，电压不平衡因子和长持续时间电压变化。在各种测量点的糖业中使用电力和能源分析仪收集惯用电能索引（CPQI）。在本研究中，2.2千瓦LSPMSM设计和原型以进行恒定负载操作。设计的电动机和SCIM用于在测量的CPQI的影响下使用有限元分析来分析性能，以及对其各个性能参数的影响。

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