无传感器无刷直流电动机由Cuk变换器驱动

2016 International Conference on Circuit, Power and Computing Technologies (ICCPCT) Pub Date : 2016-03-18 DOI:10.1109/ICCPCT.2016.7530108

Merin Jacob, Aishwarya V

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引用次数: 3

摘要

本文讨论了由Cuk变换器驱动的无传感器无刷直流电动机作为低功耗应用的一种经济有效的解决方案。单相电源被馈送到非受控桥式整流器，然后是一个Cuk变换器，用于控制直流链路电容的电压，该电容与电压源逆变器(VSI)相连。通过控制Cuk变换器直流链路电容的电压，实现无刷直流电机的调速。采用无传感器控制消除了转子位置传感器。VSI的电子换相是通过检测反电动势电压差的零交叉点(ZCP)来完成的，以避免相位延迟电路。利用MATLAB/SIMULINK对驱动系统的数学模型进行了仿真。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Sensorless brushless DC motor drive fed by Cuk converter

This paper deals with sensorless brushless DC motor drive fed by a Cuk converter as a cost-effective solution for low-power applications. The single phase supply is fed to uncontrolled bridge rectifier, which is followed by a Cuk converter used to control the voltage of DC link capacitor that feds the Voltage Source Inverter (VSI). Voltage of the DC link capacitor of Cuk converter is controlled to achieve the speed control of BLDC motor. The rotor position sensors are eliminated by using sensorless control. Electronic commutation of the VSI is done by detecting the zero crossing points (ZCP) of the back EMF voltage difference in order to avoid phase delay circuits. A mathematical model of the drive system is simulated with MATLAB/SIMULINK.

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2016 International Conference on Circuit, Power and Computing Technologies (ICCPCT)

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