6533b82ffe1ef96bd1295072

RESEARCH PRODUCT

A statistic approach of cables ageing in MV lines on thermal and electrical combined stress

L. MineoFabio MassaroM. L. Di SilvestreGaetano Zizzo

subject

Engineeringbusiness.industryProcess (engineering)Life timeProbabilistic logicLoad simulationMechanical engineeringCost accountingLife-loss of insulationMedium voltage insulated cablesThermalStatistical analysisbusinessCurrent-carrying capacity

description

The paper introduces a methodology that through a probabilistic characterisation of load for MV network, and implementing a life model for combined electric and thermal stresses, simulates the process of ageing of the insulating materials evaluating the expected life time of the cable. Such evaluation is necessary to the possibility of assuming less restrictive thermal overloading limits on electrical cables, with the consequential increase on reserve that cables could offer. A numerical example is reported to better explain the methodology

10.1109/speedam.2006.1649887http://hdl.handle.net/10447/28273