MOBILE Substation 30 MVA, 115/13.8 kV, 60 Hz.

POWER TRANSFORMER Manufacturer type: OLF 30/230 Standard: IEEE Std C57.12.00 Frequency/ phase: 60 Hz / 3 phase Installation: Outdoor (mobile) Altitude above sea level: 1000 M Type of cooling: ODAF1/ODAF2 Rated power: 25/30 MVA Connection symbol: YNd1 Nominal ratio of transformation: 115/13.8 KV Insulation class of windings: A Winding conductor material: Copper High voltage winding : Highest voltage for equipment: 123/15 KV Power frequency withstand voltage: 230/34 KV Full wave lightning impulse voltage: 550/110 KV Winding connection: Star Type of termination: Oil-to-gas bushings