Induction-generator-based system providing regulated voltage withconstant frequency
Marra, E.G.
Pomilio, J.A.
Sch. of Electr. Eng., Fed. Univ. of Goias, Goiania ;
This paper appears in: Industrial Electronics, IEEE Transactions on
Publication Date: Aug 2000
Volume: 47,
Issue: 4
On page(s): 908-914
ISSN: 0278-0046
References Cited: 16
CODEN: ITIED6
INSPEC Accession Number: 6685877
Digital Object Identifier: 10.1109/41.857971
Current Version Published: 2002-08-06
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 DC 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
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