New Method for Calculating the Heating of the Conductor
Abstract
:1. Introduction
2. Selection of Cross Section of the Conductors Considering on Heating
3. Stabile Operation
3.1. Power of Radiation
3.2. Convection
3.3. Electric Heating
4. Heating a Conductor by Layers
5. Measurement of Current by Layers
6. Heating of Conductor by Layers with Compliance of Air between Spaces
7. Discussion
Author Contributions
Funding
Conflicts of Interest
References
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Radius | r [m] | ϑ [°C] |
---|---|---|
rAl3 | 0.0153 | 50.80 |
rAl2 | 0.0119 | 50.8088 |
rAl1 | 0.0085 | 50.8148 |
rFe2 | 0.0051 | 50.8177 |
rFe1 | 0.0017 | 50.8212 |
center | 0.0000 | 50.8223 |
Current through the Clamp Meter Km1 [A] | Current through the Clamp Meter Km2 (Aluminum—Surface) | Current through the Clamp Meter Km3 (Steel—Core) | ||
---|---|---|---|---|
[A] | [ / ] | [A] | [ / ] | |
57 | 46 | 0.81 | 12 | 0.21 |
100 | 84 | 0.84 | 22 | 0.22 |
206 | 166 | 0.81 | 43 | 0.21 |
408 | 323 | 0.79 | 82 | 0.20 |
605 | 492 | 0.81 | 122 | 0.20 |
810 | 650 | 0.80 | 159 | 0.20 |
1004 | 811 | 0.81 | 198 | 0.20 |
1209 | 971 | 0.80 | 250 | 0.21 |
1406 | 1165 | 0.83 | 310 | 0.22 |
Current through the Clamp Meter Km1 [A] | Clamp Meter Km2 (Aluminum—Surface) | Clamp Meter Km3 (Steel—Core ro) | ||||
---|---|---|---|---|---|---|
I [A] | T [°C] | I [A] | T [°C] | |||
Measured * | Calculated | Measured * | Calculated | |||
57 | 56 | 25.7 | 25.9 | 2 | 25.3 | 25.9 |
104 | 99 | 26.3 | 4 | - | 26.3 | |
205 | 199 | 27.4 | 27.92 | 7 | - | 27.9 |
414 | 397 | 34.2 | 15 | - | 34.2 | |
611 | 593 | 41.7 | 43.6 | 22 | 47.9 | 43.6 |
814 | 792 | 56.4 | 29 | - | 56.4 | |
1005 | 986 | 71.4 | 37 | - | 71.4 | |
1210 | 1176 | 90.5 | 44 | - | 90.5 | |
1416 | 1370 | 92.3 | 112.8 | 50 | >160 | 112.9 |
Radius | r [m] | θ [°C] |
---|---|---|
rAl3 | 0.015 | 50.8 |
rzrak4 | 0.012 | 50.807 |
rAl2 | 0.011 | 52.319 |
rzrak3 | 0.009 | 52.323 |
rAl1 | 0.008 | 53.250 |
rzrak2 | 0.006 | 53.253 |
rFe2 | 0.005 | 53.479 |
rzrak1 | 0.002 | 53.482 |
rFe1 | 0.002 | 53.521 |
center | 0.000 | 53.522 |
Current through the Clamp Meter Km1 | Clamp Meter Km2 (Aluminum—Surface) | Clamp Meter Km3 (Steel—Core ro) | ||||||
---|---|---|---|---|---|---|---|---|
Current | Temperature [°C] | Current | Temperature [°C] | |||||
[A] | [A] | [ / ] | Measured | Calculated | [A] | [ / ] | Measured | Calculated |
57 | 56 | 98.25 | 25.7 | 25.9 | 2 | 3.51 | 25.3 | 26.1 |
104 | 99 | 95.19 | - | 26.3 | 4 | 3.85 | - | 26.1 |
205 | 199 | 97.07 | 27.4 | 27.9 | 7 | 3.41 | - | 27.9 |
414 | 397 | 95.89 | - | 34.3 | 15 | 3.62 | - | 37.1 |
611 | 593 | 97.05 | 41.7 | 43.9 | 22 | 3.60 | 47.9 | 50.9 |
814 | 792 | 97.30 | - | 57.3 | 29 | 3.56 | - | 73.9 |
1005 | 986 | 98.11 | - | 73.2 | 37 | 3.68 | - | 103.3 |
1210 | 1176 | 97.19 | - | 94.3 | 44 | 3.64 | - | 144.4 |
1416 | 1370 | 96.75 | 92.3 | 119.6 | 50 | 3.53 | >160 | 197.3 |
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Voršič, Ž.; Maruša, R.; Pihler, J. New Method for Calculating the Heating of the Conductor. Energies 2019, 12, 2769. https://doi.org/10.3390/en12142769
Voršič Ž, Maruša R, Pihler J. New Method for Calculating the Heating of the Conductor. Energies. 2019; 12(14):2769. https://doi.org/10.3390/en12142769
Chicago/Turabian StyleVoršič, Žiga, Robert Maruša, and Jože Pihler. 2019. "New Method for Calculating the Heating of the Conductor" Energies 12, no. 14: 2769. https://doi.org/10.3390/en12142769