مناقصه ترانسفورماتور 4VIVA OIL IMMERSED POWER TRANSFORMER RATED POWER 4000 KVA (4 MVA) RATED INPUT VOLTAGE: 33000 VOLT + %10 RATED OUTPUT VOLTAGE: 3300 VOLT +/- %10% NOMINAL FREQUNCY: 50HZ +/- %5 DUTY TYPE: CONTINUOUS/ VECTOR GROUP: Dyn11 - COOLING: ONAN AMBEINT TEMP: 55°C -- INSULATION CLASS: A IMPEDANCE VOLTAGE: LESS THAN %6 %OFFLOAD TAP CHANGER: 5 STEP-5% -2.5% 0 +2.5% +5