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Type: Artigo de periódico
Title: Induction-generator-based system providing regulated voltage with constant frequency
Author: Marra, EG
Pomilio, JA
Abstract: The electrical characteristics of an isolated induction-generator-based system are improved through the association with a voltage-source pulsewidth modulation (PWM) inverter. The electronic converter allows the achievement of a better system behavior in many aspects: voltage regulation, frequency stabilization, and reactive power compensation. The system operation strategy consists of maintaining constant synchronous frequency at the induction generator via an association with a PWM inverter. The system power balance and the generator voltage regulation may be accomplished by two different means: through the rotor speed regulation, or by sending part of the energy stored in the inverter de side to the grid through a single-phase line, in case the rotor speed is not regulated and a single-phase grid connection is available. The obtained results demonstrated the system is stable, robust, and an effective source of regulated three-phase voltages.
Subject: energy conversion
energy resources
induction generator
pulsewidth modulation inverter
Country: EUA
Editor: Ieee-inst Electrical Electronics Engineers Inc
Rights: fechado
Identifier DOI: 10.1109/41.857971
Date Issue: 2000
Appears in Collections:Unicamp - Artigos e Outros Documentos

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