NDLI: Self-excited induction generator controlled by a VS-PWM bi-directional converter for rural applications

Content Provider	IEEE Xplore Digital Library
Author	Marra, E.G. Pomilio, J.A.
Copyright Year	1998
Description	Author affiliation: Sch. of Electr. Eng., Fed. Univ. of Goias, Goiania, Brazil (Marra, E.G.)
Abstract	This paper is concerned with an application of a three-phase cage induction machine as a self-excited hydroturbine driven generator connected to the AC side of a voltage source PWM (VS-PWM) bi-directional converter. The generator is supposed to be driven by a low-head unregulated shaft hydraulic turbine. Under this condition, the range of turbine speed variation is narrower than for wind turbine driven generators. Frequency and voltage at the AC load are regulated by the action of the PWM converter. The proposed system is intended to be applied in rural plants as a low-cost source of high quality AC sinusoidal voltage with regulated frequency and amplitude. Simulation results are based on the /spl alpha//spl beta//spl gamma/ stationary reference frame model of the induction machine using the PSpice(R) program. The experimental results report the system behavior with balanced and unbalanced, linear and nonlinear loads. The generator also presents satisfactory behavior at the start-up of an induction motor set at 66% of the system rated power.
Starting Page	116
Ending Page	122
File Size	668615
Page Count	7
File Format	PDF
ISBN	0780343409
DOI	10.1109/APEC.1998.647678
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1998-02-15
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Induction generators Voltage Induction machines Pulse width modulation converters Hydraulic turbines Wind turbines AC generators Pulse width modulation Bidirectional control Shafts
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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