High cable loads will always coincide with wind and thus increased convective heat transfer. It was found that by including the trajectory of solar influx, the maximum temperature increased above the admittable cable core temperature compared to the steady-state case.
In this work FEM have been applied to calculate the ampacity of a three-core HV cable situated in a J-tube. To optimize cable installation and reduce CAPEX, improved transient ampacity calculations can be used to determine the dynamic rating.
In the transition from turbine tower to sea, the cable is installed in a J-tube, which has an unfavourable thermal environment and can thus be the thermal bottleneck of the cable installation. Inter-array power cables are used to connect wind turbines to the collector and export cable.
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