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Adaptive thermal control for power fluctuation to improve lifetime of IGBTs in multi-MW medium voltage wind power converter
Chen G.2; Zhang J.2; Zhu M.2; Dai N.1; Cai X.2
2014
Conference NameInternational Power Electronics Conference (IPEC-ECCE-ASIA)
Source Publication2014 International Power Electronics Conference, IPEC-Hiroshima - ECCE Asia 2014
Pages1496-1500
Conference DateMAY 18-21, 2014
Conference PlaceHiroshima
CountryJAPAN
Author of SourceIEEE
Publication Place345 E 47TH ST, NEW YORK, NY 10017 USA
PublisherIEEE
Abstract

Multi-MW wind power converter's reliability is a key issue for the whole wind power generation system. Due to wind power fluctuation, IGBT's handling power is fluctuating largely and rapidly, which will cause a large junction temperature variation of IGBT. Thermal stress is the main factor affecting IGBT's lifetime. In this paper, the adaptive thermal control is proposed to improve IGBT's lifetime during power fluctuation. In the adaptive thermal control, different vector sequences are adopted adaptively to power fluctuation levels. The IGBT's junction temperature variation can be reduced in comparison with normal vector sequence. According to power fluctuation level and IGBT's junction temperature, the relevant vector sequence is adopted. The adaptive thermal control can relieve IGBT's thermal stress and improve its lifetime during wind power fluctuation. The improvement of IGBT's lifetime can also improve wind power converter and system's reliability. Finally, the MATLAB/PLECS simulation is carried out. Simulation results indicate the feasibility and advantages of the proposed adaptive thermal control. © 2014 IEEE.

KeywordAdaptive Thermal Control Lifetime Improvement Power Fluctuation Wind Power Converter
DOI10.1109/IPEC.2014.6869783
URLView the original
Indexed BySCI
Language英语
WOS Research AreaEnergy & Fuels ; Engineering
WOS SubjectEnergy & Fuels ; Engineering, Electrical & Electronic
WOS IDWOS:000347109201066
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Citation statistics
Cited Times [WOS]:6   [WOS Record]     [Related Records in WOS]
Document TypeConference paper
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Affiliation1.Universidade de Macau
2.Shanghai Jiao Tong University
Recommended Citation
GB/T 7714
Chen G.,Zhang J.,Zhu M.,et al. Adaptive thermal control for power fluctuation to improve lifetime of IGBTs in multi-MW medium voltage wind power converter[C]//IEEE. 345 E 47TH ST, NEW YORK, NY 10017 USA:IEEE,2014:1496-1500.
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