Page 57 - Energize April 2022
P. 57
TECHNICAL
Figure 5(a) Figure 5(b)
Figure 5: Test setup at Oak ridge national laboratory 1
Drake ACSS Drake ACSS E3X Reduction (°C)
30 27 3
90 72 18
125 94 31
200 150 50
275 190 85
Table 2: Decrease in conductor temperature at constant current 1
Local tests at the University of Kwa Zulu-Natal 4
The effectiveness of the SSC coating was investigated during a
trial conducted by UKZN. This consisted of an 18-month field trial
Figure 6: Temperature difference at 650 A of SSC conductors compared to uncoated control conductors.
Performance and durability data were collected.
Figure 7: Temperature difference at 1420 A and 1575 A
Figure 8: Increase in ampacity for a given temperature rise (General Cable) Figure 9: UKZN test installation 4
energize | April 2022 | 55