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Grid optimization-based outage maintenance planning

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The increasing integration of renewable energies in the French electricity network leads to important changes in its operation, resulting in new grid constraints. Besides, some maintenance tasks on the overhead power lines are live-line works, and others require a planned outage. Such interruptions may not be feasible with a renewables-driven grid operation. As a consequence, current maintenance planning methods might not be relevant in the future. In particular, they have to take into account the risk implied by performing maintenance when having a high proportion of renewables in the grid. This work presents a three-step approach for tackling this issue. First, risk values corresponding to different future scenarios are computed, using the (N-1) security assessment. Second, these computed values are included in several optimisation approaches in order to find a good schedule. Eventually, a third step validates the obtained planning.

Author(s):

Guillaume Crognier    
RTE
France

Pascal Tournebise    
RTE
France

Manuel Ruiz    
RTE
France

Patrick Panciatici    
RTE
France

 

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