Investigation of Shaft Voltage in Wind Turbine Systems with Induction Generators
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概要
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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.
- 2009-11-01
著者
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ADABI Jafar
School of Electrical Engineering, Queensland University of Technology
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ZARE Firuz
School of Electrical Engineering, Queensland University of Technology
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Adabi Jafar
School Of Electrical Engineering Queensland University Of Technology
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Zare Firuz
School Of Electrical Engineering Queensland Univ. Of Technol.
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Zare Firuz
School Of Electrical Engineering Queensland University Of Technology
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