Power Factor Improvement and Dynamic Performance of an Induction Machine With a Novel Concept of a Converter-Fed Rotor

被引：10

作者：

Yao, Yanmei ^{[1
]}

Cosic, Alija ^{[1
]}

Sadarangani, Chandur ^{[1
]}

机构：

[1] KTH Royal Inst Technol, Dept Elect Energy Convers, S-10044 Stockholm, Sweden

来源：

IEEE TRANSACTIONS ON ENERGY CONVERSION | 2016年 / 31卷 / 02期

关键词：

Back-to-back converter; dynamic performance; induction machine drives; open-end winding; unity power factor; PWM INVERTER; MOTOR; EFFICIENCY; SYSTEM; EXCITATION;

D O I：

10.1109/TEC.2015.2505082

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

This paper investigates an induction machine with a novel concept of the rotor fed by a converter. The stator is Y-connected and directly connected to the grid, while the rotor windings are open-ended and fed by a back-to-back converter with a floating capacitor. Power factor and efficiency improvements of the induction motor are studied with different settings of phase-shift angle between the two converters. Moreover, the dynamic performance of the induction machine is explored in MATLAB/Simulink and verified experimentally on a 1.8-kW induction machine in the laboratory. The result shows good agreement between simulation and experiment. At a constant speed, variable load operation of the induction machine is obtained by setting the frequency of the rotor voltage.

引用

页码：578 / 584

页数：7

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