Control of asynchronous machines by flux regulation

Abstract

In this paper, we focus on an in-depth analysis of performance related to speed and torque regulation, in conjunction with rotor flux orientation within an asynchronous motor. We present in detail an innovative control scheme applied to an asynchronous motor, powered by a Pulse Width Modulation (PWM) inverter. This control strategy relies on two independent Proportional-Integral (PI) controllers, each responsible for regulating the rotor flux and motor speed, respectively. The outputs of these controllers are directly involved in selecting the components of the voltage vector through vector modulation. Results from numerical simulations convincingly demonstrate the effectiveness of this innovative control method, highlighting its optimal performance in asynchronous motor regulation.