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Abstract
With the increasing penetration of wind power, reliable and cost-effective wind energy production is of more and more importance. The doubly-fed induction generator based partial-scale wind power converter is still dominating in the existing wind farms. In this paper, the reliability assessment of power capacitors is studied considering the annual mission profile. According to an electro-thermal stress evaluation, the time-to-failure distribution of both the dc-link capacitor and ac-side filter capacitor is detailed investigated. Aiming for the systemlevel reliability analysis, a reliability block diagram is used to bridge the gap between the Weibull distribution based component-level individual capacitor and the capacitor bank. A case study of a 2 MW wind power converter shows that the lifetime is significantly reduced from the individual capacitor to the capacitor bank. Besides, the dc-link capacitor bank dominates the lifetime consumption.
Original language | English |
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Title of host publication | APEC 2018 - 33rd Annual IEEE Applied Power Electronics Conference and Exposition |
Number of pages | 6 |
Publisher | IEEE Press |
Publication date | 2018 |
Pages | 3264-3269 |
ISBN (Print) | 978-1-5386-1181-4 |
ISBN (Electronic) | 978-1-5386-1180-7 |
DOIs | |
Publication status | Published - 2018 |
Event | 33rd Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2018 - San Antonio, United States Duration: 4 Mar 2018 → 8 Mar 2018 |
Conference
Conference | 33rd Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2018 |
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Country/Territory | United States |
City | San Antonio |
Period | 04/03/2018 → 08/03/2018 |
Sponsor | IEEE Power Electronics Society (PELS), Industry Applications Society (IAS), Power Sources Manufacturers Association (PSMA) |
Series | IEEE Applied Power Electronics Conference and Exposition (APEC) |
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Volume | 2018 |
ISSN | 2470-6647 |
Keywords
- Capacitors
- Reliability
- Power harmonic filters
- Harmonic analysis
- Wind speed
- Wind turbines
- Wind power generation
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Dive into the research topics of 'Reliability Evaluation of Power Capacitors in a Wind Turbine System'. Together they form a unique fingerprint.Projects
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APETT: Advanced Power Electronic Technology and Tools
Blaabjerg, F., Munk-Nielsen, S., Iannuzzo, F., Wang, H., Uhrenfeldt, C., Beczkowski, S. M., Zhou, D., Choi, U., Jørgensen, A. B., Vernica, I., Sangwongwanich, A., Christensen, N., Ceccarelli, L., Nielsen, C. K., Bahman, A. S., Pedersen, K., Pedersen, K. B. & Kristensen, P. K.
01/01/2017 → 30/06/2021
Project: Research