Design And Analysis Of Two-phase Inverter-fed Induction-motor System

This paper study a two-phase inverter-fed induction-motor drive,which can be widely used for low-power. variable speed drive system. The study has completed the design of two-phase inverter and made up of the two-phase inverter-motor system for experimental use It is a variable frequency adjustable speed system with a open-loop control of rotational speed,which consists of voltage-controlled oscillator circulating assign device inverter circuit and two-phase induction motor A accurate mathematical model is set based on the whole system,and simulator program of dynamic and steady condition is established,which is used to calculate the dynamic and steady performance by Kron and symmetrical coordinate converter By simulator calculation and experimental research with specific parameter of the system,a comparison is made between predicted and experimental characteristics,experimental measurements are shown to compare closely with corresponding theoretical result It is compared with some variable frequency adjustable speed system comprising inverter and single-phase induction motor from the system efficiency torque pulsation and the effect of two-phase inverter capacitance Based on the conclusion,harmonic cancellation Pulse Width Modulation control of a two-phase inverter-fed induction -motor drive system is researched,which cancelled the low harmonic and improve the system performance...