Power distribution network toughness evaluation method in typhoon weather, storage medium and equipment

Abstract

The invention discloses a power distribution network toughness three-stage evaluation method in typhoon weather, a storage medium and equipment, and the method comprises: simulating and analyzing theimpact on a power distribution network from a typhoon disaster and the response process of the power distribution network to the typhoon disaster when the typhoon disaster does not happen, and carrying out the statistical calculation of a pre-disaster toughness index of the power distribution network; in the typhoon disaster occurrence process, according to the real-time data returned by the powerdistribution network data acquisition and monitoring control system, calculating the toughness index in the power distribution network disaster; after typhoon departure, acquiring actual data of emergency response and first-aid repair of the power distribution network, and calculating a post-disaster toughness index of the power distribution network; and quantifying the three-stage toughness level of the power distribution network, and quantifying the pre-disaster strength degree, the in-disaster resistance, the post-disaster recovery efficiency and the comprehensive toughness of the power distribution network for dealing with typhoon disasters. The method can be used for guiding power distribution network element reinforcement when typhoon does not occur, emergency control in the typhoondisaster process and power restoration after typhoon disasters, and provides a quantitative basis for system planning, operation scheduling and decision recovery.

Description

technical field [0001] The invention belongs to the technical field of distribution network planning, and in particular relates to a distribution network toughness evaluation method, storage medium and equipment under typhoon weather. Background technique [0002] The normal operation of modern society depends on reliable power supply, and the reliability of power system under normal conditions has always been concerned by people. In recent years, the power grid has been affected by more and more small-probability, high-loss typhoon weather, and there is a risk of large-scale power outage losses. As a key link that directly serves users, the distribution network is more fragile than the main network, and has a lower degree of redundancy and automation. It is vulnerable to severe equipment and load losses in typhoon weather. After the typhoon landed, the tripping area of ​​the distribution network equipment was extensive and time-concentrated, and there were many permanent f...

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Problems solved by technology

[0004] At present, the missing area of ​​the distribution network load curve is mostly used as the resilience indicator of the distribution network, which fails to reflect the resilience of the distribution network from multiple dimensions such as robustness and rapidity, and the current indicators focus on evaluating the expected disaster response of the distribution network. Capacity, which is only applicable to the resilience assessment of the distribution network when it is not subjected to disasters, and aims to guide the planning and construction of the distribution network, and cannot be applied to the resistance process of the distribution network when a typhoon disaster occurs and the emergency repair process of the distribution network after a typhoon disaster

At this stage, there is still a lack of distribution network resilience evaluation index system applicable to the three stages of typhoon, disaster and post-disaster, and it is difficult to effectively quantify the expected strength of the distribution network when the typhoon does not occur, and the real-time resistance ability during the typhoon. , Response and recovery efficiency after typhoon

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