Approximate Values of Resistance, Reactance, Impedance and X/R Ratios of 600 Volts or Less, 60 Cycles, 3-Phase, Standard Transformers.
| kVA | Percent | |||
| %Resistance | %Reactance | %Impedance | X R Ratio | |
| DT3 ASL | DT3 ASL | DT3 ASL | DT3 ASL | |
| Liquid Filled, Self-Cooled | ||||
| 150 225 300 500 750 1000 1500 2000 2500 |
1.37 1.57 1.48 1.30 1.28 1.21 1.06 1.00 .97 |
3.75 4.21 4.77 4.83 5.60 5.62 5.64 5.66 5.67 |
4.0 4.5 5.0 5.0 5.75 5.75 5.75 5.75 5.75 |
2.74 2.68 3.22 3.71 4.37 4.64 5.32 5.66 5.85 |
| Dry Type, Ventilated | ||||
| 150 225 300 500 750 1000 1500 2000 2500 |
2.5 1.84 2.16 2.04 2.01 2.40 1.65 2.23 1.54 1.94 1.70 1.63 1.63 1.42 |
1.26 4.65 4.28 4.57 5.64 4.39 5.77 4.5 5.8 5.41 5.49 5.51 5.51 5.57 |
2.8 5.0 4.8 5.0 6.0 5.0 6.0 5.0 6.0 5.75 5.75 5.75 5.75 5.75 |
.504 2.53 1.93 2.24 2.8 1.83 3.49 2.02 3.76 2.79 3.23 3.42 3.42 3.93 |
| Dry Type, Sealed | ||||
| 300 500 750 1000 1500 2000 2500 |
1.86 1.58 1.32 1.08 1.05 .945 .855 |
4.64 4.74 5.59 5.64 5.65 5.67 6.18 |
5.0 5.0 5.75 5.75 5.75 5.75 6.25 |
2.49 3.0 4.23 5.21 5.38 6.01 7.24 |
