Three-Phase Pole-Changing Winding with Ratio of Poles 4:6

Year 2024, Volume: 3 Issue: 1, 38 - 47, 28.05.2024

Makhsud Bobojanov , Dauletbek Rismukhamedov , Furkat Tuychiev , Khusniddin Shamsutdinov

Abstract

The development and analysis of a new pole-changing winding with pole ratio 2p1/2p2=4/6, as well as the experimental research of a two-speed induction motor with this winding, involved the use of modernized methods such as Discretely Specified Spatial Function (DSSF). These methods have been used to develop pole-changing winding designs for two-speed induction motors with improved electromagnetic properties, closely resembling conventional windings. The new pole-changing winding could be aviable alternative to conventional two-layer windings, as it offers similar electromagnetic properties. Furthermore, the new pole-changing winding was analyzed using ANSYS/Maxwell and tested on an induction motor built on the base of a 1,5 kW/1500 rpm induction motor in frame 4A80U3, developing 1,1 kW/0,7 kW rated power for 2p1/2p2=4/6 poles, respectively. Overall, this research demonstrates the potential for developing advanced pole-changing windings with improved electromagnetic properties and their application in practical induction motors.

Keywords

Induction motor, pole-changing winding, discretely specified spatial function, winding factor

Thanks

The group of authors of the article expresses its gratitude to the staff of the Department of Electric Power Supply and the rector of the Tashkent State Technical University for the support provided during scientific research, as well as to the Organizing Committee of the Congress for their help and support.

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