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Title: Control of multi-level voltage source converters integrating a wind turbine system into the grid
Authors: Hamatwi, E. 
Davidson, Innocent E. 
Gitau, M.N. 
Keywords: Wind Energy;Voltage source converters;High voltage direct current;Vector control;PMSG
Issue Date: 2016
Publisher: IEEE
Source: Hamatwi, E. et al. 2016. Control of multi-level voltage source converters integrating a wind turbine system into the grid. 2016 IEEE International Conference on Renewable Energy Research and Applications (ICRERA): 813-819.
In recent years, wind energy has proven to be the most competitive and environmental friendliest renewable energy (RE) source for generating electricity. Wind farms are more likely to be located far from the load centres, and hence the generated power has to be transmitted over long distances. A high voltage direct current (HVDC) transmission system increases the transmission capacity, improves the system stability, and possesses lower transmission losses. Therefore, it is the preferred means for power delivery over long distances compared to the high voltage alternating current transmission system. In this paper, a 690V, 2MW wind turbine is modelled to be integrated into a 33kV AC grid via a 3-level Neutral-Point-Clamped Voltage Source Converter-based HVDC transmission system. Three control schemes were implemented: a pitch-angle controller, a controller applied to the generator-side converter, and a controller applied to the grid-side converter. The proposed wind energy conversion system and control schemes were implemented in MATLAB/SIMULINK and simulations were carried out to analyse the performance of the system.
ISBN: 978-1-5090-3388-1 (online)
978-1-5090-3389-8 (PoD)
Appears in Collections:Research Publications (Engineering and Built Environment)

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