Multi-terminal collaborative modular power operation and maintenance method and system based on digital twinning

By constructing a global power topology map and graph neural network, the problems of data heterogeneity and timing inconsistency among multiple terminal devices in the power operation and maintenance system are solved, enabling cross-regional collaborative operation and maintenance, improving the accuracy and reliability of the system, and supporting power grid dispatching and predictive operation and maintenance.

CN121660237APending Publication Date: 2026-03-13TUANTUAN CLOUD INFORMATION TECHNOLOGY (HENAN) CO LTD
0 Cites 3 Cited by

Patent Information

Application Number
CN202511758483.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-11-27
Publication Date
2026-03-13

AI Technical Summary

Technical Problem

Existing power operation and maintenance systems suffer from heterogeneous data sources among multiple terminal devices, inconsistent timing, insufficient cross-regional collaboration capabilities, lack of self-learning capabilities, and lack of a global digital twin model. This leads to reduced accuracy and reliability of operation and maintenance, making it difficult to meet the needs of scheduling and predictive operation and maintenance.

Method used

A comprehensive power topology map of power energy sites is constructed. State propagation calculation and data correction are performed through graph neural networks to achieve unified time label alignment of multi-source data and cross-subsystem energy flow state coupling correction. Combined with a self-learning mechanism, model parameters are dynamically updated, and consistent digital twin data is output to a multi-terminal operation and maintenance platform.

Benefits of technology

It enables the automatic creation of device profiles across multiple terminal devices, enhances multi-terminal collaborative computing capabilities, automatically handles data heterogeneity and timing inconsistency issues, realizes cross-system status sharing and collaborative scheduling, and supports device health trend prediction and power grid dispatch.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The invention discloses a multi-terminal collaborative modular power operation and maintenance method and system based on digital twinning, and the method comprises the following steps: constructing a global power topological graph of a power energy site, mapping power equipment, sensors and connecting lines into graph nodes and graph edges, and binding the static attributes of the equipment with the topological structure; and acquiring real-time operation data of the power equipment, and distributing a unified time label for the multi-source heterogeneous data. According to the method, a unified twinborn model of cross-voltage class, cross-region and cross-equipment type is established in a digital twinborn platform, and operation data of different equipment such as photovoltaic equipment, battery energy storage equipment, an inverter, a protection device, an electric energy meter and temperature control equipment are expressed in a unified data semantic mode; according to the invention, the system can still automatically establish a consistent device portrait under the conditions of a large number of multi-terminal devices and diversified communication protocols, and the multi-terminal cooperative computing capability is significantly improved.
Need to check novelty before this filing date? Find Prior Art