采用滞环宽度优化控制的感应电机直接转矩控制  

Direct Torque Control of Induction Machines Based Optimized Loop of Hysteresis Band Amplitudes

作　　者：马德中[1] 金阳[1] 南余荣[1] 钟德刚[1] 

机构地区：[1]浙江工业大学,浙江杭州310032

出　　处：《微特电机》2003年第2期19-21,共3页Small & Special Electrical Machines

基　　金：浙江省自然科学基金资助项目 (50 1 0 69)

摘　　要：文章研究了控制系统的采样时间、磁链及转矩滞环宽度对转矩、磁链脉动的影响 ,得出了计算滞环宽度的新公式 ,该公式能够有效降低磁链、转矩脉动和阻止逆变器的开关频率超过预定极限值。仿真结果证实了新方法的直接转矩控制性能优于经典的直接转矩控制。In this paper, the influence of the amplitudes of flux and torque hysteresis bands and the sampling time of control system on the torque and flux ripples are investigated, moreover, the new formulas calculated hysteresis bands are obtained, the hysteresis band amplitudes can reduce flux and torque ripples and prevent the inverter switching frequency to exceed a desired limit. Simulation results confirm the superiority of the direct torque control (DTC) under the proposed method over the conventional DTC.

关 键 词：感应电机 直接转矩控制 滞环宽度 优化控制 磁链 逆变器 

分 类 号：TM346[电气工程—电机]