电压型逆变器供电六相同步电动机计算机仿真

主要研究电压型逆变器供电六相同步电动机的计算机仿真。首先建立电压型逆变器模型,并通过采用定子静止a-b-c模型和转子单回路d-q模型,建立了六相双Y移30°绕组同步电动机动态仿真的数学模型,对在方波供电下的起动过程进行了数字仿真和分析。通过仿真证明:对于六相同步电动机来说,采用方波控制的电压型逆变器可以满足供电要求,并且六相电机的性能明显优于三相电机的性能。从成本的增加和性能的提高这两方面考虑,为六相电机的广泛应用提供了一定的理论基础。

The Computer's Simulation of 6-phase Synchronous Motor Supplied by Voltage-source Inverter

The main purpose of this paper is to study the simulation of 6-phase synchronous motor supplied by voltage-source inverter. The mathematical model of 6-phase synchronous motor with double Y-connected 3-phase symmetrical windings spatially shifted 30 electrical degrees is build up by combining voltage-source inverter that drive the motor, with stable a-b-c model and single loop d-q rotor model. The starting process of the motor provided with voltage-source inverter of square waves is analyzed. It shows that the performance of 6-phase synchronous motor is better than that of 3-phase motor. Considering the rising cost and the improving performance, the paper also gives a fundamental support for wide-ranging applying 6-phase motor.