基于DTC-SVM的多电机并联驱动系统  

Parallel-Connected Multi-Motors Driving System Based on Direct Torque Control with Space Vector Modulation

作　　者：马秀娟[1] 孙洋[1] 张华强[1] 刘陵顺[2] 

机构地区：[1]哈尔滨工业大学(威海)电气工程系,山东威海264209 [2]海军航空工程学院控制工程系,山东烟台264001

出　　处：《电机与控制应用》2014年第6期5-10,共6页Electric machines & control application

基　　金：国家自然科学基金(51377168);科技部创新基金(11C26223702363);山东省科技发展基金(2011GGH20411)

摘　　要：多电机并联驱动系统需要多个电机能够协调运行,对电机调速性能提出了更高要求。结合多电机并联驱动系统中的平均理论,将多台并联电机的参数进行平均化处理,提出一种基于空间矢量调制的直接转矩控制的多电机并联驱动方案。该驱动系统具有转矩波动小、磁链波形平滑、电流谐波含量低、逆变器开关频率恒定等特点。仿真结果表明,在转矩误差允许范围内,多电机并联驱动系统能够高速、协调运行。Multiple motors parallel drive system needs multiple motor coordination operation,which puts forward higher requirements on motor speed control performance. Combined with the average theory implemented in parallelconnected multi-motors system,by averaging the parameters of multi-motors based on direct torque control,a kind of multi-motors parallel-connected driving scheme was presented. The system has the advantages of small torque ripple,smooth flux waveform,lower current harmonic content and fixed switching frequency. The simulation results show that the parallel-connected multi-motors driving system can operate rapidly and coordinately in the range of allowable torque error.

关 键 词：直接转矩控制 多电机并联 驱动 平均化理论 

分 类 号：TM301.2[电气工程—电机]