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首页> 外文期刊>Electric Power Applications, IET >Four-quadrant sensorless control in switched reluctance machine drive using pulse injection based on special flux linkage curves
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Four-quadrant sensorless control in switched reluctance machine drive using pulse injection based on special flux linkage curves

机译：基于特殊磁链曲线的脉冲注入开关磁阻电机驱动中的四象限无传感器控制

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摘要

This study presents four-quadrant sensorless control in switched reluctance machine (SRM) drive for startup and low speed. The proposed control method is based on two special flux linkage-current characteristic curves which can be obtained expediently and quickly without the need of external mechanical fixtures. The narrow voltage pulse is injected into the idle phases by the power converter and the rotor position zone within an electrical cycle is determined by comparing the measured flux linkage with the two flux linkage-current curves. The judgment rules and flow-chart of rotor positions estimation are proposed to implement the four-quadrant operation in SRM drive. The effectiveness of the proposed sensorless technique is investigated through a series of experiments on a three-phase 12/8 pole SRM drive platform. The experimental results show that the four-quadrant sensorless control of SRM is implemented without the requirements of additional hardware circuit and complicated computation.
机译：这项研究提出了用于开关磁阻电机（SRM）驱动器的四象限无传感器控制，以实现启动和低速运行。所提出的控制方法基于两条特殊的磁链电流特性曲线，无需外部机械装置就可以方便快捷地获得。功率转换器将窄电压脉冲注入到空载相，并通过将测得的磁链与两条磁链-电流曲线进行比较来确定电周期内的转子位置区域。为了实现SRM驱动中的四象限运行，提出了转子位置估计的判断规则和流程图。通过在三相12/8极SRM驱动平台上进行的一系列实验，研究了所提出的无传感器技术的有效性。实验结果表明，该系统实现了四象限无传感器SRM控制，无需额外的硬件电路和复杂的计算。

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