Reliability Evaluation Method for Oil–Paper Insulation in Power Transformers
The overall life of oil-immersed power transformers depends on the long-term life of the oil–paper insulation system throughout continuous operation. Studying the reliability assessment methods for oil–paper insulation can help determine the reliability level of power transformers accurately, and en...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2011-09-01
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| Series: | Energies |
| Subjects: | |
| Online Access: | http://www.mdpi.com/1996-1073/4/9/1362/ |
| _version_ | 1798025780931854336 |
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| author | Stanislaw Grzybowski Youyuan Wang Senlian Gong |
| author_facet | Stanislaw Grzybowski Youyuan Wang Senlian Gong |
| author_sort | Stanislaw Grzybowski |
| collection | DOAJ |
| description | The overall life of oil-immersed power transformers depends on the long-term life of the oil–paper insulation system throughout continuous operation. Studying the reliability assessment methods for oil–paper insulation can help determine the reliability level of power transformers accurately, and ensure their safe and stable operation. In the present paper, the life of oil–paper insulation is proven to obey the Weibull distribution under eight different temperatures set by the Weibull reliability probability paper; the failure mechanisms of the different temperatures are highly consistent. The Weibull distribution reliability curve cluster of oil–paper insulation is plotted under different temperatures by which an oil–paper insulation reliability assessment method is proposed. Lastly, the statistical validation experiment of the proposed method is conducted, which proves its theoretical validity. Thus, the present study puts forward a simple and effective method for the oil–paper insulation reliability assessment of power transformers under different temperatures at different life stages. |
| first_indexed | 2024-04-11T18:24:21Z |
| format | Article |
| id | doaj.art-94968a93346843e0902b14de7da1703d |
| institution | Directory Open Access Journal |
| issn | 1996-1073 |
| language | English |
| last_indexed | 2024-04-11T18:24:21Z |
| publishDate | 2011-09-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Energies |
| spelling | doaj.art-94968a93346843e0902b14de7da1703d2022-12-22T04:09:41ZengMDPI AGEnergies1996-10732011-09-01491362137510.3390/en4091362Reliability Evaluation Method for Oil–Paper Insulation in Power TransformersStanislaw GrzybowskiYouyuan WangSenlian GongThe overall life of oil-immersed power transformers depends on the long-term life of the oil–paper insulation system throughout continuous operation. Studying the reliability assessment methods for oil–paper insulation can help determine the reliability level of power transformers accurately, and ensure their safe and stable operation. In the present paper, the life of oil–paper insulation is proven to obey the Weibull distribution under eight different temperatures set by the Weibull reliability probability paper; the failure mechanisms of the different temperatures are highly consistent. The Weibull distribution reliability curve cluster of oil–paper insulation is plotted under different temperatures by which an oil–paper insulation reliability assessment method is proposed. Lastly, the statistical validation experiment of the proposed method is conducted, which proves its theoretical validity. Thus, the present study puts forward a simple and effective method for the oil–paper insulation reliability assessment of power transformers under different temperatures at different life stages.http://www.mdpi.com/1996-1073/4/9/1362/power transformersoil–paper insulationevaluation methodreliability testWeibull distribution model |
| spellingShingle | Stanislaw Grzybowski Youyuan Wang Senlian Gong Reliability Evaluation Method for Oil–Paper Insulation in Power Transformers Energies power transformers oil–paper insulation evaluation method reliability test Weibull distribution model |
| title | Reliability Evaluation Method for Oil–Paper Insulation in Power Transformers |
| title_full | Reliability Evaluation Method for Oil–Paper Insulation in Power Transformers |
| title_fullStr | Reliability Evaluation Method for Oil–Paper Insulation in Power Transformers |
| title_full_unstemmed | Reliability Evaluation Method for Oil–Paper Insulation in Power Transformers |
| title_short | Reliability Evaluation Method for Oil–Paper Insulation in Power Transformers |
| title_sort | reliability evaluation method for oil paper insulation in power transformers |
| topic | power transformers oil–paper insulation evaluation method reliability test Weibull distribution model |
| url | http://www.mdpi.com/1996-1073/4/9/1362/ |
| work_keys_str_mv | AT stanislawgrzybowski reliabilityevaluationmethodforoilpaperinsulationinpowertransformers AT youyuanwang reliabilityevaluationmethodforoilpaperinsulationinpowertransformers AT senliangong reliabilityevaluationmethodforoilpaperinsulationinpowertransformers |