A buffer power source based on a supercapacitor for starting an induction motor under load
Saifulin R. Pajchrowski T. Breido I.
August 2021MDPI AG
Energies
2021#14Issue 16
In the paper, a model of a three‐phase frequency‐controlled induction electric drive has been developed in Simulink Matlab 2019 (MathWorks, Natick, Massachusetts, USA). This model is mathematically converted into a two‐phase model by transforming equations. It is proposed to compensate the voltage drop in the power system during start‐up operation under load by using super-capacitors as a buffer power source. A block of supercapacitors was calculated. Simulation modeling was performed at a different voltage than the network. The diagrams of the transient processes occurring in the electric drive when the power supply is changed were prepared. It was found that such a principle of implementing an additional source of electric energy allows to start induction electric drives in areas remote from industrial networks without significantly affecting their static and dynamic characteristics.
Electric drive , Matlab Simulink , Modeling , Supercapacitor , Transient response
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