Rated power: 30 kVA
Rated frequency: 50 Hz
Rated primary voltage: 22000 V
Rated secondary voltage: 460/230 V
Max. temperature rise of winding, at full load: 65.0 K
Max. temperature rise of top oil, at full load: 60.0 K
Primary tapping : off-circuit condition: yes
Number of steps of primary tapping: 4.0 Steps
Percent of rated voltage of each tapping: +/ - 2x2.5%
Short-circuit impedance at 75 celsius&Tolerance: 2.0 +/- 10 %

Losses, for each transformer unit
No-load loss plus positive tolerance: 120 W
Load loss, plus positive tolerance, at 75 celsius: 430 W

Efficiency in %, 75 celsius and at load :
1/2 of rated power and P.F.=1.0 : 99 %
1 of rated power and P.F.=1.0 : 98.2 %

Country of origin for winding : Thailand (HV) Thailand (LV)
Material of winding : copper (HV) copper(LV)
Type of enamel or insulating material of wire: PVF(HV) Paper(LV)
Construction of winding: Disk coil (HV) Wire wound (LV)
Method of cooling: ONAN
Colour of tank : grey Yes
Quantity of oil filling: 69 liter
Mass of core: 107 kg
Mass of winding: 31 kg
Mass of complete transformer with oil: 265 kg
Dimensions of transformer
Overall height: 1285 mm
Overall width: 550 mm
Overall depth: 457 mm
Height over cover: 450 mm