Cable size | l.t cable | h.t cable | |
0.5 sq. in. | 0.1 sq. in. (22,000 volts) | 0.1 sq. in. (132,000 volts) | |
I.E.E rating | 540 amperes | 191 amperes | 191 amperes |
Armour wire thickness | =ht22000 | =lt | 0.104 in. |
Core loss (copper loss) | 0.16 watt | 0.1 watt | 0.01 watt |
Eddy loss in the armour | 0.17 watt | 0.021 watt | 0.008 watt |
Hysteresis loss in the armour | 0.08 watt | 0.016 watt | 0.009 watt |
Total armour loss | 0.25 watt | 0.037 watt | 0.017 watt |
Ratio (armour loss)/(copper loss), percent | 1% | 37% | 17% |