Development of DGA Indicator for Estimating Risk Level of Power Transformers

2016 17th International Scientific Conference on Electric Power Engineering (EPE 2016): Proceedings 2016
Gints Poišs

Regular evaluation and risk assessment of the technical condition of power transformers is very important. It is known that good condition state guarantee system’s reliability. Various parameters of power transformer can be evaluated, and decision can be made manually or with help of mathematical model. With dissolved gas analysis (DGA) method it is possible to detect faults by using dissolved gases in transformer oil. By using DGA as one of the indicators, a new mathematical riskassessment model for power transformers is being developed for power system in Latvia, and the new model will be based on specific features. Development of DGA indicator is presented in this paper and as a case study results of DGA of different transformers are analyzed and discussed.

Keywords
power transformers, dissolved gas analysis, risk analysis
DOI
10.1109/EPE.2016.7521813

Poišs, G. Development of DGA Indicator for Estimating Risk Level of Power Transformers. In: 2016 17th International Scientific Conference on Electric Power Engineering (EPE 2016): Proceedings, Czech Republic, Prague, 16-18 May, 2016. Piscataway, NJ: IEEE, 2016, pp.58-61. ISBN 978-1-5090-0909-1. e-ISBN 978-1-5090-0908-4. Available from: doi:10.1109/EPE.2016.7521813

Publication language
English (en)