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System Level Optimization of 5 MW Wind Converter using 3L-NPC Topology in Medium Voltage with 1.7.pdf (1.077Mb)
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Title
System Level Optimization of 5 MW Wind Converter using 3L-NPC Topology in Medium Voltage with 1 . 7 kV IGBT
Author
Arrizabalaga, AntxonMondragon Unibertsitatea
Mazuela, Mikel ccMondragon Unibertsitatea
Idarreta Garate, AitorMondragon Unibertsitatea
IRAOLA, UNAIMondragon Unibertsitatea
Aizpuru, IosuMondragon Unibertsitatea
Research Group
Almacenamiento de energía
Published Date
2020
Publisher
IEEE
Keywords
Topology
Mathematical model
Semiconductor diodes
Optimization ... [+]
Topology
Mathematical model
Semiconductor diodes
Optimization
Insulated gate bipolar transistors
Thermal resistance
Cooling [-]
Abstract
Market competitiveness is the main driver in the massive adoption of wind energy, and the optimization of the power converter is crucial for this purpose. Because it has higher efficiency than the two ... [+]
Market competitiveness is the main driver in the massive adoption of wind energy, and the optimization of the power converter is crucial for this purpose. Because it has higher efficiency than the two level Voltage Source Converter (2L-VSC), the three level Neutral Point Clamped (3L-NPC) topology is considered for the converter optimization. Due to reduced voltage stress in 3L-NPC, the system voltage can be increased up to Medium Voltage while keeping the same 1.7 kV semiconductors used for 2L-VSC. Potential extra efficiency due to the increased voltage, cooling system and filter volume reduction are studied by simulation. Commercial cooling systems and capacitors are analyzed to calculate volumes, while analytical expressions are used for the inductors. A system level optimization is proposed achieving filter and combined volume reduction, as well as efficiency increment. The benefits of using three level converters to increase the application voltage, without increasing the semiconductors voltage range are shown at system level. [-]
URI
https://hdl.handle.net/20.500.11984/5901
Publisher’s version
https://doi.org/10.1109/IECON43393.2020.9255266
ISBN
978-1-7281-5414-5
ISSN
2577-1647
Published at
The 46th Annual Conference of the IEEE Industrial Electronics Society  Singapore. 18-21 octubre 2020. Pp. 4127-4132,
Document type
Conference paper
Version
Postprint – Accepted Manuscript
Rights
© 2020 IEEE
Access
Open Access
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  • Conferences - Engineering [242]

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