Design and control of a direct drive wind turbine equipped with multilevel converters

This paper concentrates on the design and control of a three-level grid side converter (GSC) for direct drive high power wind turbines. The three-level, neutral point clamped (NPC) topology was investigated. The proposed control scheme, based on vector current control, offers very satisfying perform...

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Bibliographic Details
Published in:Renewable energy 2010-05, Vol.35 (5), p.936-945
Main Authors: Abbes, Mohamed, Belhadj, Jamel, Ben Abdelghani Bennani, Afef
Format: Article
Language:English
Subjects:
Applied sciences
Direct drive wind turbine
Direct energy conversion and energy accumulation
Electric power plants
Electrical engineering. Electrical power engineering
Electrical machines
Electrical power engineering
Exact sciences and technology
G.C.R
Miscellaneous
Multilevel converters
Non classical power plants
NPC
Phase locked loop
Power electronics, power supplies
Regulation and control
Voltage dips
Wind power plants
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Summary:This paper concentrates on the design and control of a three-level grid side converter (GSC) for direct drive high power wind turbines. The three-level, neutral point clamped (NPC) topology was investigated. The proposed control scheme, based on vector current control, offers very satisfying performances regarding to structure stability and grid connection requirements (GCR). In order to have an accurate evaluation of grid voltage source, two grid synchronization methods are developed and their performances are compared. The GSC performances are evaluated under both normal and grid fault conditions. Simulation results show that stability is maintained during voltage dips and that the proposed direct drive wind turbine satisfies completely GCR.
ISSN:0960-1481
1879-0682
DOI:10.1016/j.renene.2009.10.021