The Cascade Methods of Doubly-Fed Induction Machine for Generator System

Diep-Dung Nguyen, Ngoc-Hoan Than, Duc-Tuan Hoang

Abstract


This paper presents two solutions to cascade the doubly-fed induction machines in the power generator systems. The first solution is a traditional one with the power control circuit located on the stator-side. The second solution is a new one with the power control circuit located on the rotor-side. After analysis and evaluation, it is shown that the solution with the power control circuit located on the rotor - side has advantages over the solution with the power control circuit located on the stator - side. Therefore, the authors chose the solution which is a power control circuit located on the rotor side to study, analyze in-depth and run the simulation. The results show that the proposed solution has a very good quality, the output voltage of the generator always follows the grid-voltage even when changing the gird-voltage or changing the speed of the generator.




DOI: http://doi.org/10.11591/ijpeds.v12.i1.pp%25p
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