The specifications of special light steel core aluminum strands can meet all the requirements of various specifications of special wires (soft buses) in our substations, converter stations and power plants. The series of products have been successfully operated on several 220KV, 500KV, 750KV, 1000KV substations and converter stations in China, and good performance has been achieved.
Special light steel core aluminum strand parameter table:
| Nominal section Aluminum/ steel m㎡ | 
					Structure,
  root number / diameter  | 
					Calculation section area  | 
					external
  diameter  | Current resistance at 20 degrees centigrade Not greater than Ω/km | Calculation 
					Pulling force  | Unit length Quality Kg/km | The delivery length is not less than m | |||
| aluminum | steel | aluminum | steel | Total | ||||||
| 720/50 | 45/4.53 | 7/3.02 | 725.27 | 50.14 | 775.41 | 36.24 | 0.03984 | 180.22 | 2397.7 | 2500 | 
| 900/40 | 72/3.99 | 7/2.66 | 900.26 | 38.90 | 939.16 | 39.90 | 0.03212 | 188.39 | 2794.6 | 1000 | 
| 1000/45 | 72/4.21 | 7/2.80 | 1002.27 | 43.10 | 1045.37 | 42.08 | 0.02885 | 209.50 | 3109.6 | 1000 | 
| 1000/125 | 54/4.84 | 19/2.90 | 993.51 | 125.50 | 1119.01 | 43.54 | 0.02911 | 302.03 | 3734.5 | 800 | 
| 1120/50 | 72/4.45 | 19/1.78 | 1119.81 | 47.28 | 1167.09 | 44.50 | 0.02583 | 233..07 | 3468.7 | 600 | 
| 1120/90 | 84/4.12 | 19/2.47 | 1119.86 | 91.04 | 1210.90 | 45.31 | 0.02584 | 282.96 | 3815.2 | 600 | 
| 1250/50 | 72/4.70 | 19/1.88 | 1249.16 | 52.74 | 1301.90 | 47.00 | 0.02315 | 261.57 | 3869.4 | 600 | 
| 1250/100 | 84/4.35 | 19/2.61 | 1248.38 | 101.65 | 1350.03 | 47.85 | 0.02318 | 315.63 | 4254.4 | 600 | 
| 1400/120 | 84/4.60 | 19/2.80 | 1396.00 | 116.99 | 1512.99 | 50.80 | 0.02073 | 356.73 | 4821.0 | 700 | 
| 1400/135 | 88/4.50 | 19/3.00 | 1399.58 | 134.30 | 1542.88 | 51.00 | 0.02068 | 377.04 | 4962.0 | 700 | 
| 1400/200 | 100/4.22 | 19/3.66 | 1398.67 | 199.90 | 1598.57 | 52.06 | 0.02071 | 443.67 | 5469.0 | 700 | 
| 1440/120 | 84/4.67 | 19/2.80 | 1438.81 | 116.99 | 1555.80 | 51.36 | 0.02010 | 363.58 | 4928.0 | 700 | 
| 1440/135 | 88/4.60 | 19/3.00 | 1462.47 | 134.30 | 1596.77 | 51.80 | 0.01979 | 387.10 | 5224.0 | 700 |