Simulation of the Double-closed Loop Three-phase Asynchronous Variable Voltage Control System

Shuhua Jiang

Modern Applied Science, 2011, vol. 5, issue 5, 214

Abstract: When controlling the voltage and speed of the asynchronous motor, to expand the speed control range and reduce the speed fluctuation, the speed control system adopts two feedback control loops, i.e. the speed feedback control loop and the current feedback control loop. The principle and components of the double-closed loop three-phase asynchronous variable voltage control system are studied, and the simulation model and the test result based on MATLAB/Simulink are provided in this article through the system modeling and the parameter setup of the main circuit and the control circuit.

Date: 2011
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