Method and system for quickly partitioning power network after power failure based on coherent Isin machine

By applying coherent Isin machines in the power system to quickly partition the power network after power outage, the problem of long solution time for partitioning methods in the existing technology, manual selection of results and model cannot be directly solved, and fast and accurate network partitioning of the power system is achieved.

CN119761058AActive Publication Date: 2025-04-04SOUTHEAST UNIV +1
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Patent Information

Application Number
CN202411950764.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-04-04
Estimated Expiration
2044-12-27

AI Technical Summary

Technical Problem

After the existing power system has a major power outage, it is difficult to perform network partitioning methods quickly and accurately, resulting in a prolonged power outage time and the model cannot be directly solved. The solution results require manual selection and computing power limitation of computing equipment.

Method used

Using the fast partitioning method after power network power outage based on coherent Isin machine, a parallel recovery sub-region division model is established by constructing the Laplace matrix of the power network, and the model is converted into a binary quadratic unconstrained optimization model, and the model is solved using coherent Isin machine to obtain network partitioning results.

Benefits of technology

It realizes fast network partitioning after power outage, avoids the "dimensional disaster" that classic computers may suffer during the solution process, and effectively expands the application scale of the model through the qubit expansion method, ensuring the accuracy and real-timeness of partition results.

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Abstract

The invention discloses a method and a system for quickly partitioning a power network after power failure based on a coherent Isin machine. The method comprises the following steps: constructing a Laplacian matrix of a power network, constructing a parallel recovery sub-region division model after power failure of the network, converting the model into a binary quadratic unconstrained optimization model, solving the binary quadratic unconstrained optimization model by using a coherent Isin machine, and converting a solution result of the coherent Isin machine into a network partitioning result. And a brand-new solution thought based on quantum calculation is provided for the network partitioning problem after the power failure of the power system. According to the method disclosed by the invention, the problem of dimensionality disaster possibly suffered when a classic computer is used for solving the partitioning problem is avoided, a quantum bit capacity expansion method is provided for the variable number overrun problem in the solving process, and solving acceleration of the power network partitioning problem is realized.
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