通用变频器矢量控制与直接转矩控制特性比较

Comparison of Vector Control and Direct Torque Control for General Inverters

矢量控制与直接转矩控制作为当前两种主要的交流电机变频调速传动控制策略,在实际中得到广泛的应用。本文是以矢量控制与直接转矩控制策略比较为核心,在对两者进行了理论分析的基础上,在变频器-异步电机试验平台上进行了试验对比,给出两种控制策略下异步电机电磁转矩稳态和动态响应性能试验结果。

Vector control and Direct Torque Control are widely used in the adjustable speed drive systems. Based on the theoretical analysis of both strategies, they are compared in an advancedinverter-fed induction motor experiment platform. The results for steady-state and dynamic responseperformance are given.