Sag & Tension Tool
Interactive sag and tension results for the selected line and load cases.
Line & Span Inputs
Selected line parameters
Line: 910 mm² Al59
Area: 910 mm²
Dead weight: 2.52 kg/m
Diameter: 39.2 mm
Ei: 53000 MPa
Ep: 60000 MPa
SigmaE: 100 MPa
C: 140
epsC: 0.4
alfa: 23
Load Case Presets
Presets are locked. Only the user-defined load case can be edited.
| Case | Temp [C] | Wind factor | Ice | Creep |
|---|---|---|---|---|
User-defined load case User-specified temperature, wind factor, ice flag, and creep flag. | ||||
Load case H Bare conductor, no wind, minimum temperature, initial stage before creep. | -40.0 | 0 | No | Before |
Load case D Bare conductor, normal wind, minimum temperature at wind, initial stage before creep. | -20.0 | 1 | No | Before |
Load case E Bare conductor, 30% of normal wind, +15°C, initial stage before creep. | 15.0 | 0.3 | No | Before |
Load case 1a High wind factor, bare conductor, before creep. | 0.0 | 1.6 | No | Before |
Load case 3, A Combined wind and ice load; also matches clearance load case A (0°C, ice at normal wind, before creep). | 0.0 | 1 | Yes | Before |
Load case 2a Uniform ice load at no wind, before creep. | 0.0 | 0 | Yes | Before |
0°C still air (initial LC) 0°C, no wind, no ice, before creep. | 0.0 | 0 | No | Before |
0°C still air (a-distance) 0°C, no wind, no ice, after creep. | 0.0 | 0 | No | After |
Load case 2a Uniform ice load at no wind, after creep (final stage). | 0.0 | 0 | Yes | After |
Load case 3, B Combined wind and ice load; also matches clearance load case B (0°C, ice at normal wind, after creep). | 0.0 | 1 | Yes | After |
Load case 1a High wind factor, bare conductor, after creep. | 0.0 | 1.6 | No | After |
Load case G Bare conductor, no wind, +15°C, final stage after creep. | 15.0 | 0 | No | After |
Load case F Bare conductor, 30% of normal wind, +15°C, final stage after creep. | 15.0 | 0.3 | No | After |
Load case C Bare conductor, normal wind, +15°C, final stage after creep. | 15.0 | 1 | No | After |
Maximum temperature Maximum conductor temperature for the relevant service condition | 50.0 | 0 | No | After |
Short-circuit temperature margin Temperature margin related to short-circuit conditions. | 150.0 | 0 | No | After |
Temperature at short-circuit conditions Temperature at short-circuit conditions (max conductor temperature during short circuit). | 200.0 | 0 | No | After |
Results
Highest tension: amber tint. A-distance (0°C still air, after creep): blue tint (case 8).
| Case | Temp [C] | Tension [MPa] | Tension [kN] | Sag [m] | Wind load [N/m] | Ice load [N/m] | Mallnr (Template) |
|---|---|---|---|---|---|---|---|
User-defined load case User-defined | 0.0 | 45.000 | 40.95 | 8.2246 | 0.00 | 0.00 | 302.1 |
Load case H Min temp, no wind, before creep | -40.0 | 58.314 | 53.07 | 6.3447 | 0.00 | 0.00 | 233.0 |
Load case D Min temp at wind, before creep | -20.0 | 53.494 | 48.68 | 6.9176 | 9.80 | 0.00 | 254.1 |
Load case E +15°C, 30% wind, before creep | 15.0 | 41.849 | 38.08 | 8.8452 | 2.94 | 0.00 | 324.9 |
Load case 1a 0°C, bare, before creep | 0.0 | 52.775 | 48.02 | 7.0135 | 17.44 | 0.00 | 257.6 |
Load case 3, A 0°C, ice+normal wind, before creep | 0.0 | 85.699 | 77.99 | 9.4077 | 18.80 | 29.11 | 345.6 |
Load case 2a Ice, no wind, before creep | 0.0 | 85.699 | 77.99 | 9.9649 | 0.00 | 32.30 | 366.0 |
0°C still air (initial LC) 0°C — Still air, before creep | 0.0 | 45.000 | 40.95 | 8.2246 | 0.00 | 0.00 | 302.1 |
0°C still air (a-distance) 0°C — Still air, after creep | 0.0 | 40.279 | 36.65 | 9.1905 | 0.00 | 0.00 | 337.6 |
Load case 2a Ice, no wind, after creep | 0.0 | 80.631 | 73.37 | 10.5930 | 0.00 | 32.30 | 389.1 |
Load case 3, B 0°C, ice+normal wind, after creep | 0.0 | 80.631 | 73.37 | 10.0007 | 18.80 | 29.11 | 367.3 |
Load case 1a High wind — 0°C, bare, after creep | 0.0 | 47.849 | 43.54 | 7.7369 | 17.44 | 0.00 | 284.2 |
Load case G +15°C, no wind, after creep | 15.0 | 37.631 | 34.24 | 9.8386 | 0.00 | 0.00 | 361.4 |
Load case F +15°C, 30% wind, after creep | 15.0 | 37.865 | 34.46 | 9.7779 | 2.94 | 0.00 | 359.2 |
Load case C +15°C, normal wind, after creep | 15.0 | 40.127 | 36.52 | 9.2268 | 9.80 | 0.00 | 338.9 |
Maximum temperature Maximum temperature | 50.0 | 32.918 | 29.95 | 11.2515 | 0.00 | 0.00 | 413.3 |
Short-circuit temperature margin Short-circuit margin | 150.0 | 25.236 | 22.97 | 14.6920 | 0.00 | 0.00 | 539.7 |
Temperature at short-circuit conditions Short-circuit temperature (SE.2.5) | 200.0 | 22.935 | 20.87 | 16.1753 | 0.00 | 0.00 | 594.1 |