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Parametric model of synchronous reluctance motor with a TLA-rotor and damper winding in steady-state and transient modes

V.N. Karaulov, E.A. Kurlakov

Vestnik IGEU, 2025 issue 3, pp. 66—72

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Abstract in English: 

Background. The design of a synchronous reluctance motors with a TLA rotor and a damper winding (SynRM) differs from the classical one. There are no salient poles, the rotor core has internal slots filled with aluminum, the slots configuration is complex and diverse, the core has highly saturated areas. Currently, calculations of the operating modes of the SynRM are performed using field models of the motor. It is important to show that the classical parametric model of a synchronous machine makes it possible to reliably calculate the operating modes of the SynRM. It is necessary to develop a method to determine the parameters of the SynRM model.

Materials and methods. The study has been conducted using a classical parametric model of a synchronous reluctance motor based on the theory of two reactions. It is based on the results of a field calculation of static and pulsating longitudinal and transverse magnetic field. The Park-Gorev equations have been used to calculate steady-state and transient modes of the motor.

Results. Field models and formulas used to calculate the parameters of the SynRM are presented. The authors have used the Park-Gorev equations to calculate electromechanical processes in a synchronous reluctance motor: direct start of the motor with symmetrical power supply; operation of a SynRM with asymmetrical power supply. The calculation results are compared with the results of field simulation of the SynRM in the Ansys Maxwell environment.

Conclusions. The classical parametric model of the synchronous machine based on the theory of two reactions allows fast and high-quality analysis of steady-state and transient modes of operation of a synchronous reluctance motor with TLA-rotor under various conditions of power supply and mechanical load.

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19. Karaulov, V.N., Dorzhinkevich, A.F. Parametricheskaya model' sinkhronnogo reaktivnogo dvigatelya s TLA-rotorom v ustanovivshikhsya i perekhodnykh rezhimakh [Parametric model of a synchronous jet engine with a TLA rotor in steady-state and transient modes]. Vestnik IGEU, 2023, issue 4, pp. 46–53.

Key words in Russian: 
синхронный реактивный двигатель, TLA-ротор, демпферная обмотка, параметрическая модель, полевое моделирование, статическое магнитное поле, пульсирующее магнитное поле, переходные режимы работы двигателя
Key words in English: 
synchronous reluctance motor, TLA rotor, damper winding, parametric model, static magnetic field, pulsating magnetic field, transient modes of motor operation
The DOI index: 
10.17588/2072-2672.2025.3.066-072
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