Impact of Input Data Scattering on the Reliability Function of a Wind Turbine Power Electronic Converter

Olmi, Christophe; Scuiller, Franck; Charpentier, Jean-Frédéric

doi:10.1109/peac.2018.8590627

2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC) 2018

DOI: 10.1109/peac.2018.8590627

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Impact of Input Data Scattering on the Reliability Function of a Wind Turbine Power Electronic Converter

Christophe Olmi

Franck Scuiller

Jean-Frédéric Charpentier

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2021

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Component-Level Reliability Assessment of a Direct-Drive PMSG Wind Power Converter Considering Two Terms of Thermal Cycles and the Parameter Sensitivity Analysis

Zhou

Yao

et al. 2021

IEEE Trans. Power Electron.

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The availability and efficiency of a wind power system are highly affected by the failure or the unreliable operation of its power converter. This paper investigates the failure rate and annual consumed lifetime for a 2 MW direct-drive permanent magnet synchronous generator (PMSG) based full-scale converter in a wind power generation system. The reliability assessment mainly focuses on the component level, namely, diodes and IGBTs, in both of the machine-side converter (MSC) and the grid-side converter (GSC). Annual damages and power cycles for semiconductors are calculated separately under long-term thermal cycles (several seconds to hours) and short-term thermal cycles (dozens to hundreds of milliseconds). Experiments regarding thermal stress measuring for different semiconductors under short-term thermal cycles are affiliated. A comparison between different thermal cycles is given and discussed in detail. To ensure a visualized time-to-failure evaluation, a Monte Carlo method is used to generate the lifetime distributions and entire unreliability functions for power semiconductors. Final B10 and B1 lifetimes can easily be observed from the cumulative distribution functions (CDFs). Moreover, different standard deviations are assumed for parameters in the Bayerer's lifetime model, and by using several parallel Monte Carlo algorithms, parameter sensitivity to the final lifetime evaluation is analyzed.

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Component-Level Reliability Assessment of a Direct-Drive PMSG Wind Power Converter Considering Two Terms of Thermal Cycles and the Parameter Sensitivity Analysis

Zhou

Yao

et al. 2021

IEEE Trans. Power Electron.

View full text Add to dashboard Cite

show abstract

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Impact of Input Data Scattering on the Reliability Function of a Wind Turbine Power Electronic Converter

Cited by 1 publication

References 13 publications

Component-Level Reliability Assessment of a Direct-Drive PMSG Wind Power Converter Considering Two Terms of Thermal Cycles and the Parameter Sensitivity Analysis

Component-Level Reliability Assessment of a Direct-Drive PMSG Wind Power Converter Considering Two Terms of Thermal Cycles and the Parameter Sensitivity Analysis

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