| Transformer Range |
Trade Mark: "FL Full Light"
Type of model: Oil immersed, natural self cool
Aplied Standard: TIS 384 (Thailand), IEC, VDE and DIN Standard
Rated power: 500 kVA
Rated frequency: 50 Hz
Rated primary voltage: V line= 24000 V phase= 24000 V
Rated secondary voltage: V line= 416 V phase= 240 V
Connection symbol: Dyn1
Type of oil preservation system: Conservator tank
Operation duty : continuous operation(Type DB): Yes
Max. temperature rise of winding, at full load: 55.0 K
Max. temperature rise of top oil, at full load: 55.0 K
Primary tapping : off-circuit condition: yes
Number of steps of primary tapping: 4.0 Steps
Percent of rated voltage of each tapping: - 4x2.5%
Short-circuit impedance at 75 celsius&Tolerance: >6.5 %
Losses, for each transformer unit
No-load loss plus positive tolerance: 670 W
Load loss, plus positive tolerance, at 75 celsius: 3030 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 : 99.3 %
Voltage regulation at P.F.=1.0 : 0.9 %
Method of cooling: ONAN
Completely assembled transformer shall withstand, without
permanent deformation, a maximum pressure of : 0.7 kg/square cm
Colour of tank : grey Yes
Quantity of oil filling: 590 liter
Mass of core: 959 kg
Mass of winding: 674 kg
Mass of the part liftable from tank: 1,917 kg
Mass of complete transformer with oil: 2,660 kg
Dimensions of transformer
Overall height: 1601 mm
Overall width: 1,722 mm
Overall depth: 977 mm
Height over cover: 400 mm