一种改进的空间矢量PWM电流调节器，用于改进三相感应电动机的转矩控制

CCECE '97. Canadian Conference on Electrical and Computer Engineering. Engineering Innovation: Voyage of Discovery. Conference Proceedings Pub Date : 1997-05-25 DOI:10.1109/CCECE.1997.608349

M. Mohamadian, E. Nowicki, F. Ashrafzadeh, E. Evanik, J. Salmon

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引用次数: 0

摘要

介绍了一种用于三相感应电动机转矩控制的新型压控电流调节器。控制过程类似于空间矢量电流调节器，不同之处在于零开关矢量的开关时间的选择使得每次采样时间内参考电流与实际电流之间的误差减小。仿真结果表明，采用这种电流控制方法可以改善异步电动机在稳态时的瞬态转矩响应。常规方法和改进方法的定子电流大致相同。

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A modified space vector PWM current regulator for improved torque control of a three-phase induction motor

A new voltage controlled current regulator is introduced for the torque control of a three-phase induction motor. The control procedure is similar to that of a space vector current regulator except that the switching time for the zero switching vector is chosen such that the error between the reference current and the actual current is reduced in each sampling time. Simulation results show that employing this current control method will improve the transient torque response of the induction motor while in the steady-state. The stator current in the conventional and modified methods are approximately the same.

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来源期刊

CCECE '97. Canadian Conference on Electrical and Computer Engineering. Engineering Innovation: Voyage of Discovery. Conference Proceedings

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