| 无转速传感器抽油电机扭矩在线监测系统研究 |
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| 引用本文： | 成玲,郭晓菲,王雷全.无转速传感器抽油电机扭矩在线监测系统研究[J].电子设计工程,2012,20(18):70-72. |
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| 作者姓名： | 成玲 郭晓菲 王雷全 |
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| 作者单位： | 中国石油大学（华东）计算机与通信工程学院,山东青岛,266580 |
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| 基金项目： | 国家自然科学基金项目，国家科技重大专项子课题 |
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| 摘 要： | 介绍了一种无转速传感器抽油机异步电机的在线监测系统的软、硬件设计。论述了通过实时采集抽油机异步电机的三相电压和电流,计算电机的三相有功功率、无功功率和功率因数的方法。并利用电机模型参数,根据抽油机异步电机工作的特点,分析了实时计算电机定子磁链的幅值和相位的方法。同时提出了结合坐标变换下的定子电流计算,实时获取抽油机异步电机电磁转矩及转速的一般方法。
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| 关 键 词： | 无转速传感器 异步电机 定子磁链 监测系统 |
Speed sensor sucker motor torque on-line monitoring system study |
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| CHENG Ling,GUO Xiao-fei,WANG Lei-quan.Speed sensor sucker motor torque on-line monitoring system study[J].Electronic Design Engineering,2012,20(18):70-72. |
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| Authors: | CHENG Ling GUO Xiao-fei WANG Lei-quan |
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| Affiliation: | (College of Computer and Communication Engineering,China University of Petroleum,Qingdao 266580,China) |
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| Abstract: | The essay has introduced the software and hardware design of the on-line monitoring system used in the induction motor of pumping unit with speed-sensorless.According to the working characteristics of the induction motor in the pumping unit,the essay has also discussed the analysis of the real-time calculation of the amplitude and phase of the stator flux in the motor by using the method of the real-time data acquisition of three-phase voltage and current in the induction motor of pumping unit,calculation of the three-phase motor active power,reactive power and power factor,referring to the motor parameters.At the same time,the essay put forward the method of real-time acquisition of the electromagnetic torque and speed of the motor,combing with the calculation of the stator current under coordinate transformation. |
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| Keywords: | speed-sensorless induction motor- stator flux monitoring system |
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