Power coupling equipment-based power grid recovery system and method for reducing power influence

By coupling the power distribution network, gas network, heating network, and transportation network after extreme disasters, and utilizing the energy storage capacity of electric vehicles and V2G technology, resource allocation is optimized, solving the problem of power supply fluctuations after disasters, achieving rapid grid recovery and stable power supply, and reducing power outage losses.

CN121863373APending Publication Date: 2026-04-14LIUPANSHUI NORMAL UNIV
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Patent Information

Application Number
CN202510014048.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-06
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

In scenarios where urban multi-energy power system failures are caused by extreme disasters, the power supply fluctuates significantly after the disaster, and users' power consumption is not stable enough. Existing technologies are unable to effectively guarantee the continuity and stability of power supply, resulting in severe power outage losses.

Method used

By coupling power distribution networks, gas networks, heating networks, and transportation networks through power coupling devices, and combining V2G technology with the energy storage capacity of electric vehicles, a power distribution network restoration optimization model can be established to optimize resource allocation, achieve rapid response and flexible dispatch, and ensure the stability and security of the power grid restoration process.

Benefits of technology

It significantly accelerated the grid recovery speed, reduced reliance on traditional energy sources, lowered recovery costs, ensured the continuity and stability of power supply after the disaster, and avoided the risk of grid collapse.

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Abstract

The invention relates to the technical field of power grid recovery, in particular to a power grid recovery system and method for reducing power influence based on electric energy coupling equipment, and the method comprises the following steps: S1, constructing a multi-energy coupling power distribution network: coupling the power distribution network, a gas network, a heat network and a traffic network through the electric energy coupling equipment; s2, obtaining an initial splitting scheme of the power distribution network; s3, obtaining a recovery sequence: establishing a power distribution network recovery optimization model on the basis of the predicted values of the power distribution network state, the load state, the traffic network state, the power distribution network power supply and the power distribution network load after the occurrence of the extreme event; obtaining an EV transfer path, a first-aid repair path, a first-aid repair sequence, a power distribution network line recovery sequence and a load recovery sequence based on the power distribution network recovery optimization model; s4, updating the recovery state; s5, recovering the power grid; the method can be applied to urban multi-energy power system fault scenes caused by extreme disasters, continuity and stability of post-disaster power supply are effectively improved, and post-disaster power failure loss is reduced.
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