Abstract
This article discusses optimization problems in the design of an AC electric drive kit with a capacity of up to 1 MW. The need for optimization in the design of the electric drive is due to the technical and economic indicators of the long-term operation of the electric drive. The main problem of optimizing the AC electric drive is the complexity of the mathematical description of the frequency converter electric motor. A generalized mathematical model of AC electric drives is presented, in which the nonlinear part of the frequency converter is represented by an aperiodic link with a time constant Ti, a pure delay link with a time constant and a switching function Ψni, which are approximating a semiconductor converter for the transfer function. Such a mathematical model makes it possible to synthesize power circuits and an i-beam converter control system. The optimization of an electromechanical converter using the finite element method is considered.
Publisher
FSAEIHE South Ural State University (National Research University)
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1. THE PARAMETRIC OPTIMIZATION OF A FIELD-REGULATED RELUCTANCE MOTOR;Bulletin of the South Ural State University series "Power Engineering";2023