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Investigation of shaft voltage in wind turbine systems with induction generators

Adabi Firouzjaee, Jafar & Zare, Firuz (2009) Investigation of shaft voltage in wind turbine systems with induction generators. IEEJ Transactions on Industry Applications, 129(11), pp. 1092-1100.

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Abstract

This paper presents the analysis of shaft voltage in different configurations of a doubly fed induction generator (DFIG) and an induction generator (IG) with a back-to-back inverter in wind turbine applications. Detailed high frequency model of the proposed systems have been developed based on existing capacitive couplings in IG & DFIG structures and common mode voltage sources. In this research work, several arrangements of DFIG based wind energy conversion systems (WES) are investigated in case of shaft voltage calculation and its mitigation techniques. Placements of an LC line filter in different locations and its effects on shaft voltage elimination are studied via Mathematical analysis and simulations. A pulse width modulation (PWM) technique and a back-to-back inverter with a bidirectional buck converter have been presented to eliminate the shaft voltage in a DFIG wind turbine.

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2 citations in Scopus
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ID Code: 31161
Item Type: Journal Article
Additional URLs:
Keywords: shaft voltage, wind turbine, bearing current, doubly fed induction generator, pulse width modulation
ISSN: 0913-6339
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ELECTRICAL AND ELECTRONIC ENGINEERING (090600)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Engineering Systems
Deposited On: 08 Mar 2010 15:54
Last Modified: 09 May 2011 11:45

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