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A Wind Energy Conversion System Based on a Generator with Modulated Magnetic Flux

Abstract

In this work, the concept of an energy conversion system for wind turbines based on the modified permanent magnet synchronous generator (PMSG) is presented. In the generator, a pair of three-phase windings is used, one of which is connected in a “star” and the second in a “delta” configuration. At the outputs of both windings, two six-pulse uncontrolled (diode) rectifiers are included. These rectifiers are mutually coupled by a specially designed pulse transformer, whose primary winding is powered by the power electronics converter—the so-called “current modulator”—which, in this case, operates as a magnetic flux modulator, in the generator. The modulator provides a quasi-sinusoidal magnetomotive force (mmf) in the stator of the machine. The whole system is connected to the power grid via a dedicated voltage source inverter (VSI) converter. The main objective of the elaborated solution is to provide high efficiency conversion of mechanical (wind) energy into electricity by means of a relatively simple electrical system.

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Authors (4)

Details

Category:
Articles
Type:
artykuły w czasopismach
Published in:
ENERGIES no. 13,
ISSN: 1996-1073
Language:
English
Publication year:
2020
Bibliographic description:
Gwóźdź M., Krystkowiak M., Ciepliński Ł., Strzelecki R.: A Wind Energy Conversion System Based on a Generator with Modulated Magnetic Flux// ENERGIES -Vol. 13,iss. 12 (2020), s.3285-
DOI:
Digital Object Identifier (open in new tab) 10.3390/en13123285
Verified by:
Gdańsk University of Technology

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