Oil Type Transformer
This section details the specifications for various oil-immersed power transformers manufactured by a Korean electric company. The transformers are available in different voltage classes and capacities, designed for three-phase power systems.
Amorphous Oil Transformer
| Phase | Frequency | Primary voltage | Secondary voltage | TAP Voltage | Vector |
| 3φ | 60㎐, 50㎐ | 22.9㎸ | 380/220V | 23.9 - R22.9 - 21.9 - 20.9 - 19.9㎸ | Dyn11, Dd0, etc. |
Characteristics & Dimensions
| Capacity (kVA) | Dimension(mm) W | Dimension(mm) D | Dimension(mm) H | Oil (ℓ) | Total Weight (㎏) | Certification Number |
| 100 | 1190 | 670 | 1420 | 290 | 900 | 179 |
| 150 | 1290 | 750 | 1290 | 320 | 1020 | 188 |
| 200 | 1370 | 770 | 1320 | 355 | 1200 | 180 |
| 300 | 1450 | 810 | 1440 | 455 | 1560 | 181 |
| 400 | 1500 | 950 | 1490 | 520 | 2000 | 182 |
| 500 | 1520 | 970 | 1490 | 535 | 2100 | 183 |
| 600 | 1700 | 1130 | 1500 | 650 | 2500 | 184 |
| 750 | 1740 | 1160 | 1530 | 675 | 2600 | - |
| 1000 | 1750 | 1400 | 1660 | 810 | 3350 | 186 |
Characteristics & Dimensions
| CAPACITY (kVA) | Exciting Current Io(%) 100% | Exciting Current Io(%) 50% | Voltage Req. ε (%) 100% | Voltage Req. ε (%) 50% | Efficiency(%) 100% | Efficiency(%) 50% | Dimension(mm) W | Dimension(mm) D | Dimension(mm) H |
| 100 | 5.5 | 2.0 | 97.80 | 98.50 | 1110 | 750 | 1340 |
| 200 | 5.5 | 2.0 | 97.90 | 98.60 | 1160 | 900 | 1290 |
| 300 | 5.0 | 1.9 | 98.10 | 98.70 | 1310 | 1100 | 1340 |
| 400 | 4.5 | 1.9 | 98.30 | 98.70 | 1430 | 1120 | 1410 |
| 500 | 4.0 | 1.8 | 98.30 | 98.80 | 1480 | 1250 | 1460 |
| 600 | 4.0 | 1.8 | 98.50 | 98.80 | 1700 | 1450 | 1445 |
| 750 | 4.0 | 1.7 | 98.50 | 98.90 | 1710 | 1450 | 1505 |
| 1000 | 4.0 | 1.7 | 98.50 | 99.00 | 1820 | 1450 | 1550 |
| 1250 | 3.5 | 1.5 | 98.60 | 99.00 | 1790 | 1450 | 1830 |
| 1500 | 3.5 | 1.5 | 98.60 | 99.00 | 1900 | 1450 | 1850 |
| 2000 | 3.5 | 1.4 | 98.70 | 99.10 | 2030 | 1500 | 1930 |
| 2500 | 2.5 | 1.4 | 98.70 | 99.20 | 2100 | 2100 | 2085 |
| 3000 | 2.5 | 1.4 | 98.80 | 99.20 | 2200 | 2400 | 2200 |
3P 22.9kV-L.V Ratings
| Phase | Frequency | Primary voltage | Secondary voltage | TAP Voltage | Vector |
| 3φ | 60㎐, 50㎐ | 22.9kV | 220, 380, 440, 208y/120, 220y/127. 380y/220, 400y/230, 440y/254V | 23.9 - R22.9 - 21.9 - 20.9 - 19.9kV | Dd0, Dyn11.etc. |
Characteristics & Dimensions
| CAPACITY (kVA) | Exciting Current Io(%) 100% | Exciting Current Io(%) 50% | Voltage Req. ε (%) 100% | Voltage Req. ε (%) 50% | Efficiency(%) 100% | Efficiency(%) 50% | Dimension(mm) W | Dimension(mm) D | Dimension(mm) H |
| 100 | 5.5 | 2.0 | 97.80 | 98.50 | 1110 | 750 | 1340 |
| 200 | 5.5 | 2.0 | 97.90 | 98.60 | 1160 | 900 | 1290 |
| 300 | 5.0 | 1.9 | 98.10 | 98.70 | 1310 | 1100 | 1340 |
| 400 | 4.5 | 1.9 | 98.30 | 98.70 | 1430 | 1120 | 1410 |
| 500 | 4.0 | 1.8 | 98.30 | 98.80 | 1480 | 1250 | 1460 |
| 600 | 4.0 | 1.8 | 98.50 | 98.80 | 1700 | 1450 | 1445 |
| 750 | 4.0 | 1.7 | 98.50 | 98.90 | 1710 | 1450 | 1505 |
| 1000 | 4.0 | 1.7 | 98.50 | 99.00 | 1820 | 1450 | 1550 |
| 1250 | 3.5 | 1.5 | 98.60 | 99.00 | 1790 | 1450 | 1830 |
| 1500 | 3.5 | 1.5 | 98.60 | 99.00 | 1900 | 1450 | 1850 |
| 2000 | 3.5 | 1.4 | 98.70 | 99.10 | 2030 | 1500 | 1930 |
| 2500 | 2.5 | 1.4 | 98.70 | 99.20 | 2100 | 2100 | 2085 |
| 3000 | 2.5 | 1.4 | 98.80 | 99.20 | 2200 | 2400 | 2200 |
3p 6.6/3.3kV-L.V Ratings
| Phase | Frequency | Primary voltage | Secondary voltage | TAP Voltage | Vector |
| 3φ | 60㎐, 50㎐ | 6.6/3.3㎸ | 220, 380, 440, 208y/120, 220y/127. 380y/220, 400y/230, 440y/254V | 6.9 - R6.6 - 6.3 - 6.0 - 5.7kV / 3.45 - R3.3 - 3.15 - 3.0 - 2.85kV | Dd0, Dyn11.etc. |
Characteristics & Dimensions
| CAPACITY (kVA) | Exciting Current Io(%) 100% | Exciting Current Io(%) 50% | Voltage Req. ε (%) 100% | Voltage Req. ε (%) 50% | Efficiency(%) 100% | Efficiency(%) 50% | Dimension(mm) W | Dimension(mm) D | Dimension(mm) H |
| 100 | 5.5 | 2.0 | 97.70 | 98.50 | 990 | 630 | 1125 |
| 200 | 5.5 | 2.0 | 97.70 | 98.60 | 1080 | 840 | 1180 |
| 300 | 5.0 | 1.9 | 97.80 | 98.70 | 1260 | 1000 | 1260 |
| 400 | 4.5 | 1.8 | 98.10 | 98.80 | 1360 | 1100 | 1290 |
| 500 | 4.0 | 1.8 | 98.10 | 98.80 | 1500 | 1230 | 1380 |
| 600 | 4.0 | 1.8 | 98.10 | 98.80 | 1540 | 1270 | 1380 |
| 750 | 4.0 | 1.7 | 98.20 | 98.90 | 1700 | 1370 | 1480 |
| 1000 | 4.0 | 1.7 | 98.20 | 99.00 | 1700 | 1370 | 1580 |
| 1250 | 3.5 | 1.5 | 98.40 | 99.10 | 1760 | 1380 | 1680 |
| 1500 | 3.5 | 1.5 | 98.40 | 99.10 | 1880 | 1450 | 1680 |
| 2000 | 3.5 | 1.4 | 98.40 | 99.10 | 1920 | 1500 | 1850 |
| 2500 | 2.5 | 1.4 | 98.40 | 99.20 | 2050 | 2440 | 2160 |
| 3000 | 2.5 | 1.4 | 98.50 | 99.20 | 2100 | 2500 | 2250 |
3P 22.9kV-6.6/3.3kV Ratings
| Phase | Frequency | Primary voltage | Secondary voltage | TAP Voltage | Vector |
| 3φ | 60㎐, 50㎐ | 22.9㎸ | 6.6/3.3kV | 23.9 - R22.9 - 21.9 - 20.9 - 19.9kV | Dd0 |
Characteristics & Dimensions
| CAPACITY (kVA) | Exciting Current Io(%) 100% | Exciting Current Io(%) 50% | Voltage Req. ε (%) 100% | Voltage Req. ε (%) 50% | Efficiency(%) 100% | Efficiency(%) 50% | Dimension(mm) W | Dimension(mm) D | Dimension(mm) H |
| 100 | 5.5 | 1.8 | 97.90 | 98.50 | 1180 | 700 | 1350 |
| 200 | 5.5 | 1.8 | 97.70 | 98.60 | 1230 | 800 | 1350 |
| 300 | 5.0 | 1.8 | 97.90 | 98.70 | 1320 | 1000 | 1410 |
| 400 | 4.5 | 1.7 | 98.00 | 98.80 | 1400 | 1020 | 1460 |
| 500 | 4.5 | 1.7 | 98.10 | 98.90 | 1430 | 1020 | 1550 |
| 600 | 4.0 | 1.7 | 98.10 | 98.90 | 1620 | 1220 | 1600 |
| 750 | 4.0 | 1.7 | 98.20 | 98.90 | 1700 | 1300 | 1600 |
| 1000 | 4.0 | 1.6 | 98.20 | 99.00 | 1720 | 1300 | 1750 |
| 1250 | 3.5 | 1.5 | 98.30 | 99.10 | 1750 | 1300 | 1880 |
| 1500 | 3.5 | 1.5 | 98.40 | 99.10 | 1960 | 1450 | 1880 |
| 2000 | 3.5 | 1.3 | 98.60 | 99.20 | 2000 | 1480 | 1970 |
| 2500 | 3.5 | 1.3 | 98.60 | 99.20 | 2120 | 2100 | 1970 |
| 3000 | 3.0 | 1.3 | 98.70 | 99.30 | 2200 | 2200 | 2100 |
3P 22.9kV-L.V Ratings
| Phase | Frequency | Primary voltage | Secondary voltage | TAP Voltage | Vector |
| 3φ | 60㎐, 50㎐ | 22.9kV | 220, 380, 440, 208y/120, 220y/127. 380y/220, 400y/230, 440y/254V | 23.9 - R22.9 - 21.9 - 20.9 - 19.9kV | Dd0, Dyn11.etc. |
Characteristics & Dimensions
| CAPACITY (kVA) | Exciting Current Io(%) 100% | Exciting Current Io(%) 50% | Voltage Req. ε (%) 100% | Voltage Req. ε (%) 50% | Efficiency(%) 100% | Efficiency(%) 50% | Dimension(mm) W | Dimension(mm) D | Dimension(mm) H |
| 100 | 2.0 | 1.5 | 98.80 | 99.00 | 1210 | 750 | 1480 |
| 200 | 2.0 | 1.5 | 98.80 | 99.10 | 1270 | 820 | 1390 |
| 300 | 2.0 | 1.5 | 98.90 | 99.20 | 1320 | 870 | 1500 |
| 400 | 1.8 | 1.4 | 98.90 | 99.25 | 1390 | 920 | 1450 |
| 500 | 1.8 | 1.4 | 98.90 | 99.25 | 1370 | 950 | 1500 |
| 600 | 1.8 | 1.4 | 99.00 | 99.30 | 1410 | 1000 | 1530 |
| 750 | 1.7 | 1.3 | 99.05 | 99.30 | 1420 | 1120 | 1550 |
| 1000 | 1.7 | 1.3 | 99.10 | 99.35 | 1570 | 1150 | 1730 |
| 1250 | 1.6 | 1.2 | 99.15 | 99.40 | 1760 | 1330 | 1840 |
| 1500 | 1.6 | 1.2 | 99.20 | 99.45 | 2020 | 1350 | 2190 |
| 2000 | 1.5 | 1.1 | 99.20 | 99.45 | 2030 | 1450 | 2200 |
| 2500 | 1.4 | 1.0 | 99.30 | 99.50 | 2520 | 1500 | 2460 |
| 3000 | 1.3 | 1.0 | 99.30 | 99.50 | 2550 | 1500 | 2500 |
3p 6.6/3.3kV-L.V Ratings
| Phase | Frequency | Primary voltage | Secondary voltage | TAP Voltage | Vector |
| 3φ | 60㎐, 50㎐ | 6.6/3.3㎸ | 220, 380, 440, 208y/120, 220y/127. 380y/220, 400y/230, 440y/254V | 6.9 - R6.6 - 6.3 - 6.0 - 5.7kV / 3.45 - R3.3 - 3.15 - 3.0 - 2.85kV | Dd0, Dyn11.etc. |
Characteristics & Dimensions
| CAPACITY (kVA) | Exciting Current Io(%) 100% | Exciting Current Io(%) 50% | Voltage Req. ε (%) 100% | Voltage Req. ε (%) 50% | Efficiency(%) 100% | Efficiency(%) 50% | Dimension(mm) W | Dimension(mm) D | Dimension(mm) H |
| 100 | 2.0 | 1.5 | 98.80 | 99.00 | 1250 | 730 | 1250 |
| 200 | 2.0 | 1.5 | 98.80 | 99.10 | 1270 | 800 | 1320 |
| 300 | 2.0 | 1.5 | 98.90 | 99.20 | 1300 | 850 | 1430 |
| 400 | 1.8 | 1.4 | 98.90 | 99.25 | 1320 | 900 | 1430 |
| 500 | 1.8 | 1.4 | 98.90 | 99.25 | 1350 | 910 | 1470 |
| 600 | 1.8 | 1.4 | 99.00 | 99.30 | 1370 | 980 | 1490 |
| 750 | 1.7 | 1.3 | 99.05 | 99.30 | 1400 | 1000 | 1500 |
