A Statistical Approach for Condition Evaluation and Residual Lifetime Estimation of MV Power Cables

The general idea of preventive maintenance approach allowed most of the asset managers of power utilities to understand that a condition based maintenance approach is the only way to recognize aging effects and weak points, replace the weak cable sections and finally guarantee a distribution cable network condition with high reliability. This paper describes the new approach of statistical estimation of the remaining life time of power cables that allows operating underground cables to the operational limit.