The principle of rotor flux-orientation vector control on 100/150 kW three-phase AC induction motor for electric drive tracked vehicles is analyzed, and the mathematic model is deduced. The drive system of induction m...The principle of rotor flux-orientation vector control on 100/150 kW three-phase AC induction motor for electric drive tracked vehicles is analyzed, and the mathematic model is deduced. The drive system of induction motor is modeled and simulated by Matlab/Simulink. The characteristics of motor and drive system are analyzed and evaluated by practical bench test. The simulation and bench test results show that the model is valid, and the driving control system has constant torque under rated speed, constant torque above rated speed, widely variable speed range and better dynamic characteristics. In order to evaluate the practical applications of high power induction motor driving system in electric drive tracked vehicles, a collaborative simulation based on interface technology of Matlab/Simulink and multi-body dynamic analysis software known as RecurDyn is done, the vehicle performances are predicted in the acceleration time (0-32 km/h) and turning characteristic (v=10 km/h, R=B).展开更多
为研究大功率绕线异步电机负载调速,文章介绍了异步电机双馈调速方案。该方案通过对大功率绕线电机采用定子磁链定向控制策略,使得电机的有功分量和无功分量可以分别得到控制,并详细介绍了转子变频矢量控制算法软件设计。为验证该控制...为研究大功率绕线异步电机负载调速,文章介绍了异步电机双馈调速方案。该方案通过对大功率绕线电机采用定子磁链定向控制策略,使得电机的有功分量和无功分量可以分别得到控制,并详细介绍了转子变频矢量控制算法软件设计。为验证该控制策略的效果,采用额定功率为22 k W的异步电机,负载采用55k W的直流电机进行了试验研究,实验结果证明该系统控制效果良好。展开更多
把基于空间矢量调制直接功率控制(direct power control with space vector modulation,DPC-SVM)的直接虚拟功率控制算法运用到了并联型整流器系统中,构造出了虚拟的电网磁链矢量作为定向矢量,达到取消交流侧电网电压传感器、降低并联...把基于空间矢量调制直接功率控制(direct power control with space vector modulation,DPC-SVM)的直接虚拟功率控制算法运用到了并联型整流器系统中,构造出了虚拟的电网磁链矢量作为定向矢量,达到取消交流侧电网电压传感器、降低并联系统硬件成本的目的;通过改进传统SVPWM控制模块来达到抑制环流的目的,进而减少系统的能量损耗。相比于传统的基于电网电压定向的电流控制并联系统,提出的新方法在环流控制方面能够达到与传统方法相同的性能,并且能够大大减少传感器的数量,增加系统的鲁棒性。通过仿真实验,验证了所提出的改进策略的正确性和可行性。展开更多
基金Sponsored by Ordnance Science and Technology Pre-research Project of China(40402070101)
文摘The principle of rotor flux-orientation vector control on 100/150 kW three-phase AC induction motor for electric drive tracked vehicles is analyzed, and the mathematic model is deduced. The drive system of induction motor is modeled and simulated by Matlab/Simulink. The characteristics of motor and drive system are analyzed and evaluated by practical bench test. The simulation and bench test results show that the model is valid, and the driving control system has constant torque under rated speed, constant torque above rated speed, widely variable speed range and better dynamic characteristics. In order to evaluate the practical applications of high power induction motor driving system in electric drive tracked vehicles, a collaborative simulation based on interface technology of Matlab/Simulink and multi-body dynamic analysis software known as RecurDyn is done, the vehicle performances are predicted in the acceleration time (0-32 km/h) and turning characteristic (v=10 km/h, R=B).
文摘为研究大功率绕线异步电机负载调速,文章介绍了异步电机双馈调速方案。该方案通过对大功率绕线电机采用定子磁链定向控制策略,使得电机的有功分量和无功分量可以分别得到控制,并详细介绍了转子变频矢量控制算法软件设计。为验证该控制策略的效果,采用额定功率为22 k W的异步电机,负载采用55k W的直流电机进行了试验研究,实验结果证明该系统控制效果良好。
文摘把基于空间矢量调制直接功率控制(direct power control with space vector modulation,DPC-SVM)的直接虚拟功率控制算法运用到了并联型整流器系统中,构造出了虚拟的电网磁链矢量作为定向矢量,达到取消交流侧电网电压传感器、降低并联系统硬件成本的目的;通过改进传统SVPWM控制模块来达到抑制环流的目的,进而减少系统的能量损耗。相比于传统的基于电网电压定向的电流控制并联系统,提出的新方法在环流控制方面能够达到与传统方法相同的性能,并且能够大大减少传感器的数量,增加系统的鲁棒性。通过仿真实验,验证了所提出的改进策略的正确性和可行性。
