Abstract
Lightning weather is a type of strong convective weather that is an important factor in causing faults in the operation of the distribution network, which can lead to widespread power outages. The application of PV and energy storage systems further mitigates the losses caused by lightning-struck outages. In the paper, firstly, the uncertainty model of lightning strike probability and contact line power loss is established based on the irradiation intensity and the expected value of power losses is calculated using sequence operation theory. Secondly, considering the cost of load loss, an optimal dispatching model of the distribution network based on opportunity-bound planning is constructed to minimize system operation costs, and the impact of different operation strategies on power loss in the lightning context is explored in depth. The proposed method allows for a trade-off between the economy and the reliability of the distribution network in the lightning context by setting suitable confidence levels. Finally, the model is solved using the CPLEX solver, and the accuracy of the proposed model and dispatching strategy is verified by an improved IEEE33 system example.
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