船用异步电机SVPWM调制技术的研究

Research of SVPWM modulation technology of induction motor for marine

随着微电子技术和电机控制技术的迅速发展,船用异步电动机调速系统逐渐代替传统的直流电机调速方案。电压空间矢量脉宽调制(SVPWM)属于脉宽调制技术中的一种,它与普通PWM相比,具有包括效率大大提高,谐波成分更少,容易实现的优势。本文对船用异步电机SVPWM调制技术进行研究,首先分析SVPWM的基本原理,然后介绍SVPWM的实现过程,并建立SVPWM算法的仿真模型,仿真结果表明此算法具有明显的优越性,可大大提高船舶异步电机的性能。

With the rapid development of microelectronics technology and motor control technology, marine induction motor drive system gradually replaced the traditional DC motor speed program. Voltage space vector pulse width modulation （SVPWM） belongs to one of a pulse width modulation technology, it is compared with the conventional PWM, has advantages include greatly improved efficiency, less harmonic components, easy to implement. This paper researched on the marine asynchronous motor SVPWM modulation technology, firstly analyzed the basic principle of SVPWM, then introduced SVPWM implementation process and the establishment of SVPWM algorithm for the simulation model, the simulation results show that the algorithm has obvious advantages, can greatly improve the performance of asynchronou simulation models motors.