Abstract
Reliability, availability and maintainability analysis is one of the most important tools for measuring system performance. The performance of a traction power supply system (TPSS) can be measured using the data collected from frequency converters, as these converters constitute the main part of the TPSS. The quality of the collected data should be good enough to provide the correct and complete information necessary for assessment of frequency converter performance. Many methods can be used to assess the performance of converters such as neural networks, fuzzy logic and standards. The IEEE 762 Standard offers a methodology that can provide key performance indicators for power generation units. This standard has been chosen for its widespread acceptance and applicability. To be able to evaluate a converter’s performance, IEEE 762 indexes should be calculated using data such as the downtime, reserve shutdown hours and service hours. Therefore, the purpose of this study is to assess the performance of the Swedish TPSS frequency converters using IEEE 762, and to assess the quality of data by inspecting their compatibility with this standard. In this study, an application has been developed to generate the missing information and to calculate the indexes provided by the standard, in order to evaluate the power converters’ performance. A case with sample data is also discussed in this paper.
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Acknowledgments
The authors would like to thank Trafikverket for providing the data used in this study. In addition, the authors express their appreciation and thanks to Mr. Anders Bülund and Mr. Niklas Fransson for all their support.
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Aljumaili, M., Mahmood, Y.A. & Karim, R. Assessment of railway frequency converter performance and data quality using the IEEE 762 Standard. Int J Syst Assur Eng Manag 5, 11–20 (2014). https://doi.org/10.1007/s13198-013-0216-z
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DOI: https://doi.org/10.1007/s13198-013-0216-z