RELIABILITY ANALYSIS OF POWER ELECTRONIC GRID, INTERFACE TOPOLOGIES FOR WIND ENERGY CONVERSION SYSTEMS
Linares Calero, Sara
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https://hdl.handle.net/2142/125079
Description
Title
RELIABILITY ANALYSIS OF POWER ELECTRONIC GRID, INTERFACE TOPOLOGIES FOR WIND ENERGY CONVERSION SYSTEMS
Author(s)
Linares Calero, Sara
Issue Date
2020-05-01
Keyword(s)
Reliability; Markov processes; WECS; Power Electronics
Abstract
In this Project the reliability of different Power-Electronic Grid Interface Topologies for Wind Energy Conversion Systems (WECS) is analyzed. To this end, appropriate Markov models capturing the failure behavior of the different topologies are constructed. This allows the computation of performance metrics of interest such as the reliability, the failure rate or the mean time to failure, that will reveal which system has the highest probability of delivering its function uninterruptedly. Besides, different repair strategies are studied for each topology to further examine the availability, i.e. the degree to which the system will perform its intended function, and the expected number of hours that the WECS provides the nominal output power. Results disclose which approach maximizes the power supplied.
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