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A Unified Approach to Reliability Assessment of Multiphase DC–DC Converters in Photovoltaic Energy Conversion Systems
Abstract
A systematic framework for reliability assessment and fault-tolerant design of multiphase dc-dc converters deployed in photovoltaic applications is presented. System-level steady-state models allow a detailed specification of component failure rates, and in turn establish the effects of ambient conditions and converter design on reliability. Markov reliability models are derived to estimate the mean time to system failure. Case studies applied to two- and three-phase, 250-W converters demonstrate that topological redundancy does not necessarily translate to improved reliability for all choices of switching frequency and capacitance. Capacitor voltage rating is found to be the dominant factor that affects system reliability.
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Citations
Cited by
Transitioning to Physics-of-Failure as a Reliability Driver in Power Electronics
Wang, H., Liserre, M., Blaabjerg, F., de Place Rimmen, P., Jacobsen, J. B., Kvisgaard, T., & Landkildehus, J. (2014) · IEEE Journal of Emerging and Selected Topics in Power Electronics · doi:10.1109/jestpe.2013.2290282 · Cited by 693
Ma, K., Liserre, M., Blaabjerg, F., & Kerekes, T. (2015) · IEEE Transactions on Power Electronics · doi:10.1109/tpel.2014.2312335 · Cited by 460
Line–Line Fault Analysis and Protection Challenges in Solar Photovoltaic Arrays
Zhao, Y., De Palma, J.-F., Mosesian, J., Lyons, R., & Lehman, B. (2013) · Industrial Electronics, IEEE Transactions on · doi:10.1109/tie.2012.2205355 · Cited by 300
A Critical Review on Charging Technologies of Electric Vehicles
Shahjalal, M., Shams, T., Tasnim, M. N., Ahmed, M. R., Ahsan, M., & Haider, J. (2022) · Energies · doi:10.3390/en15218239 · Cited by 66
Reconfigurable DC/DC Converter for Efficiency and Reliability Optimization
Sakly, J., Bennani-Ben Abdelghani, A., Slama-Belkhodja, I., & Sammoud, H. (2017) · IEEE Journal of Emerging and Selected Topics in Power Electronics · doi:10.1109/jestpe.2017.2676027 · Cited by 42
Metadata
- Authors
- Dhople, S. V., Davoudi, A., Domínguez-García, A. D., & Chapman, P. L.
- Venue
- IEEE Transactions on Power Electronics
- Published
- 2012-02
- Volume
- 27
- Issue
- 2
- Pages
- 739-751
- ISSN
- 0885-8993 (ISSN-L)
- 1941-0107
- OpenAlex
- W2078540822
- Cited by
- 174
- References
- 0
- FWCI
- 9.14
- Type
- journal article
- Language
- en
- Open access
- closed
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- Dhople, S. V., Davoudi, A., Domínguez-García, A. D., & Chapman, P. L. (2012). A Unified Approach to Reliability Assessment of Multiphase DC–DC Converters in Photovoltaic Energy Conversion Systems. IEEE Transactions on Power Electronics. https://doi.org/10.1109/tpel.2010.2103329
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