Page 57 - Energize April 2022
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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



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