66/ 27 KV Traction Power Transformer 21. 6 MVA Capacity ( ONAN )/ 30. 24 MVA ( ONAF ) with off Load tap changer, 50 HZ Single Phase as per RDSO Specification no. TI/ SPC/ PSI/ TRNPWR/ 3201 or latest. The scope of work includes: Design, Manufacturing, Assembling, Testing before dispatch and delivery for destination and unloading, erection commissioning and testing.