Study of a Self-Excited Three-Phase Induction Generator Operating as a Single-Phase Induction Generator for Use in Rotating Excitation Systems for Synchronous Generators

Author:

Metello Elzio1,Silva Fernando Bento2ORCID,Monteiro Raul Vitor Arantes3ORCID,Rondina José Mateus3,Guimarães Geraldo Caixeta2

Affiliation:

1. Department of Electrical and Automation Engineering, Mato Grosso Federal Institute of Technology, Cuiabá 78005-200, Brazil

2. Faculty of Electrical Engineering, Federal University of Uberlândia, Uberlândia 38400-902, Brazil

3. Faculty of Electrical Engineering, Federal University of Mato Grosso, Cuiabá 78000-000, Brazil

Abstract

This article proposes the use of a three-phase induction generator (IG), connected through a single-phase connection (Fukami configuration), to be used as a rotating exciter for synchronous generators. This proposal aims at presenting an alternative to replace the permanent magnet generators (PMGs) used in the rotating exciters for synchronous generators (SGs). In order to obtain the results, a six-pole IG and a four-pole SG were used, a DC motor (DCM) was employed as the primary machine, and the speed control for the aforementioned primary machine is presented and described in this work. To carry out performance tests of the rotating exciter with the IG and the terminal voltage control of the SG, a voltage controller was proposed. The performance of the voltage regulator was tested when the SG supplied a dynamic load, as established by the NEMA MG-1 standard. This article validates its proposal by comparing the results obtained through computational simulation and experimental testing of the SG terminal voltage waveform when faced with a sudden load change.

Publisher

MDPI AG

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5. Laliberte, G. (2024, May 20). A Comparison of Generator. Excitation Systems. Our Energy Working for YouTM. Power Topic #6008|Technical Information from Cummins Power. Bulletin 6451356 Produced in U.S.A. 2/23 ©2023 Cummins Inc. Available online: https://petroleoeindustria.trienergy.com/wp-content/uploads/2021/03/Sistemas-de-Excitacion-en-Generadores.pdf.

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