مناقصه ترانسفورماتور 4MVA OIL IMMERSED POWER TRANSFORMER RATED POWER: 4000 KVA (4 MVA) RATED INPUT VOLTAGE: 33000 VOLT + %10 RATED OUTPUT VOLTAGE: 3300 VOLT +/- %10 NOMINAL FREQUENCY: 50HZ - %5 DUTY TYPE: CONTINUOUS VECTOR GROUP: Dyall ----- COOLING: ONAN AMBEINT TEMP: 55°C - INSULATION CLASS: A/ IMPEDANCE VOLTAGE LESS THAN %6 %OFFLOAD TAP CHANGER: S STEP-5% -2.5% 0 +2.5%