WEEK- 06/ UNIT – 06 Transformer Protection 1a. Explain Abnormalities & List different types of Faults. 1b. Construction and working of Circulating Current Scheme for Transformers Protection. Construction and working of Earth Fault or Leakage Protection Systems for Transformer. Construction and working of Buchholz Relay. 3b. Transformer oil – Electrical properties, desired properties and applications of Transformer oil , BDVT.