| Title |
A Study on the Analysis of the Water Contents in Oil of Distribution Transformer Based on Field Data |
| DOI |
https://doi.org/10.5370/KIEE.2024.73.7.1264 |
| Keywords |
Distribution Transformer; Water Content; Polynomial; Field Data |
| Abstract |
This study addresses the impact of water content on the lifespan of distribution transformers. While previous studies have primarily focused on large-scale transformers in transmission and substation facilities, this research specifically examines distribution transformers. It highlights the limitations of current methods for measuring water content, especially in practical scenarios such as pole-mounted transformers where oil extraction requires operational downtime. By analyzing data from 150 distribution transformers in the field, this study establishes correlations between load data, transformer age, and water content. Additionally, it proposes a polynomial-based optimal estimation formula to statistically analyze water content based on years of use, providing valuable insights for efficient asset management strategies. |