Optimized maintenance scheduling for budget-constrained distribution utility

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Issue Date
2013-12
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Authors
Aravinthan, Visvakumar
Jewell, Ward T.
Advisor
Citation

Aravinthan, Visvakumar; Jewell, Ward T. 2013. Optimized maintenance scheduling for budget-constrained distribution utility. IEEE Transactions on Smart Grid, vol. 4:no. 4:ppg. 2328-2338

Abstract

This work proposes a two-step approach to minimizing radial distribution maintenance cost while ensuring that the performance of a utility is as close as possible to desired reliability benchmarks. The maintenance cost is first optimized within the required reliability level. The System Average Interruption Duration Index (SAIDI) is used as the reliability measure. If budget constraints do not allow the required maintenance, or if a component degrades beyond its expected level, then components are derated and system is reconfigured to prolong component life and raise system reliability. Numerical examples are presented to illustrate this method.

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