Бездавачеве керування в системах на основі машини подвійного живлення: короткий аналітичний огляд

Abstract

The paper presents analyse of presented in the literature sensorless control algorithms of doubly fed induction machine (DFIM). The main differences in existing methods of DFIM rotor angular position (speed) observation are calculation accuracy, sensitivity of the observer mathematical model parameters variation, especially in specific areas of the mechanical characteristic of the induction motor and specific modes of power supply. Approaches of the observation can be divided into three main groups: open-loops algorithms, adaptive methods and high-frequency signals injection methods. The analysis shows that the existing methods are based on significant assumptions, are limited in use and need further research.