基于磁通观测器的转差频率型异步电机矢量控制系统
A Flux Observer Based Slip Frequency Type Vector Control System for Induction Motor
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摘要: 从异步电机数学模型出发,提出以磁通观测器为基础的控制电流源驱动转差频率型 异步电机矢量控制系统的数学模型与结构图.控制系统数学仿真与实验说明,本方案可以改 善电机定、转子电阻随运行温度变化时的动、静态特性.Abstract: In this paper, according to the mathematical model of induction motor, the author provides the mathematical model and structure diagram for a flux observer based vector control system of controlled current source-fed slip frequency type induction motor. Simulation of this control system is given. Finally the author proves that this method improves the transient and stationary characteristic of the resistance value of motor's stator and rotor when it varies with working temperature.
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Key words:
- Flux observer /
- induction motor /
- vector control /
- digital simulation
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