Abstract
Frequent occurrence of low probability and high-risk accidents poses a huge challenge to the safe and stable operation of a power system. Because of the “large scale and long time” fault characteristics of the distribution network under extreme natural disasters, this paper analyzes the supporting role of electric vehicles and distributed power generation on the distribution network in the process of surface disasters. First of all, according to the characteristics of electric vehicles as both loads and energy storage tasks, electric vehicles can be divided into three types: disordered charging, orderly charging, and dispatchable charging and discharging. Then the state matrix of electric vehicles is established, and the travel rules and charging and discharging rules of electric vehicles are obtained through Monte Carlo sampling. Finally, this paper uses the IEEE33 node distribution network to simulate the resilience lifting effect of active distribution network under typhoon disaster by combining optical storage for example analysis and verifies the effect of dispatchable electric vehicles on the elastomer upgrading of distribution network.
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