Automatic System for Wind Turbine Testing

[+] Author and Article Information
S. M. Camporeale

Dipartimento di Meccanica e Materiali, Università di Reggio Calabria, Italy

B. Fortunato

Dipartimento di Ingegneria Meccanica e Gestionale, Politecnico di Bari, Italy

G. Marilli

Alcatel, Italy

J. Sol. Energy Eng 123(4), 333-338 (Jun 01, 2001) (6 pages) doi:10.1115/1.1404432 History: Received February 01, 2000; Revised June 01, 2001
Copyright © 2001 by ASME
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Measured power versus rotational speed for the tested turbine
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Average values and standard deviations of torque and rotational speed
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Turbine under test in the wind tunnel
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Flow chart of the wind turbine test procedure
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Block diagram of the data acquisition and control system
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Input and output wave-forms of the PWM circuit
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Block diagram of the PWM
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Signals driving the chopper (iS1 and iS2) and current circulating in the dc machine (ia)
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Two-quadrant chopper connected to the equivalent circuit of the dc electric machine
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Speed control by variation of the voltage Vt
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Wind turbine regulation with variation of the voltage supplied to the dc machine terminals
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Speed control by variation of load resistance
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Start-up and regulation system of the wind turbine by means of a dc machine and rheostats



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