Mositure ingress in free breathing transformers

  title={Mositure ingress in free breathing transformers},
  author={Maik Koch and Stefan Tenbohlen and Mordechai Rosner},
  journal={2008 International Conference on Condition Monitoring and Diagnosis},
This paper determines the moisture ingress in free breathing transformers by analysis of on-line monitoring data and by laboratory measurements. A grid transformer, a transformer equipped with a heat recovery system and a generator step-up unit served as example transformers. Approximately 1,6 kg of water enter the large grid transformer having moderate… CONTINUE READING