磁通检测式异步电机矢量控制计算机仿真研究  

Computer Simulation of Flux-Observed Vector Control in AC Motor

作　　者：阚先宏[1] 张文祥[1] 

机构地区：[1]浙江万里学院智能控制技术研究所,浙江宁波315000

出　　处：《计算机仿真》2006年第1期299-303,共5页Computer Simulation

摘　　要：该文从同步速M-T坐标系下异步电机方程和异步电机矢量控制的基本原理出发,详细分析转子参数(电感和电阻) 对磁通检测式矢量控制性能的影响。考虑到实际实验系统中电机转子参数会随着电机的运行状态而改变,而MATLAB仿真软件电力系统工具箱中的异步电机模型在运行中不能实时改变自身的参数,运用MATLAB中的S函数自行编写能够模拟转子参数实时变化的电机模型。在此基础上建立整个异步电机矢量控制仿真系统,首次分别对忽略转子参数变化和考虑转子参数时变这两种情况下的系统进行仿真和分析。仿真结果表明实际中由于集肤效应产生的转子参数变化使异步电机矢量控制的动态性能变差。On the basis of the asynchronous motor equations in the M - T reference frame rotating at synchronous speed, the paper, in detail, analyses the effect of the rotor parameters, including reluctance and inductance, on the performance of the Flux - Observation based Vector Control. Considering the time - varying of rotor parameters along with the running state in the real experimental systems and the AC motor model included in the SimPowerSystems of Maflab can not change its own rotor parameters with time, an AC model is built, which can simulate real - time changes of its rotor parameters by using S - Function in MATLAB. Based on the model, a Vector Control simulation system is established, and for the first time, respectively it is implemented that the simulation and analysis of the system on the condition of both neglecting and considering the time - varying of rotor parameters. The simulation results indicate that the variations of the rotor parameters resulting from the Skin Effect may make the dynamic performance of AC Vector Control get worse.

关 键 词：异步电机 矢量控制 函数 动态仿真 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术]