An efficient implementation of the space vector modulation based three phase induction motor drive

M. Adeel, T. Izhar, M. Saqib
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引用次数: 7

Abstract

This paper presents an efficient implementation scheme for the closed-loop speed control of an induction motor with constant V/f, slip regulation and incorporating ‘space vector pulse width modulation’ (SVPWM). The system is an embedded system which incorporates an 8-bit reduced instruction set computer (MCU) to implement the speed control and the modulation scheme. Scalar control is inferior to the modern field oriented control in terms of efficiency and response time but it requires considerably lesser hardware resources. Use of space vector modulation as the modulation technique gives a better harmonic response and higher efficiency as compared to the normal regular sampled pulse width modulation techniques. The drive incorporates optimized algorithms and low cost hardware to provide a better cost-performance relationship. The system also includes features for the digital over-current protection and soft-starting of the motor.
一种基于空间矢量调制的高效实现三相感应电动机驱动
本文提出了一种具有恒V/f、转差调节并结合“空间矢量脉宽调制”(SVPWM)的异步电动机闭环速度控制的有效实现方案。该系统是采用8位精简指令集计算机(MCU)实现速度控制和调制方案的嵌入式系统。标量控制在效率和响应时间方面不如现代面向现场的控制,但它需要的硬件资源要少得多。使用空间矢量调制作为调制技术,与常规的规则采样脉宽调制技术相比,具有更好的谐波响应和更高的效率。该驱动器结合了优化算法和低成本硬件,以提供更好的性价比关系。该系统还包括数字过流保护和电机软启动功能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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