High-energy load flexibility potential assessment method

By constructing a refined high-energy-load flexibility supply model and grid node flexibility supply and demand model, combined with the multi-path resource transmission mechanism, the problem of failure to fully consider the coupling effect and spatial distribution differences in the existing technology is solved, and a more accurate assessment of the flexibility potential of high-energy-load load is achieved, and the scheduling and stability of the power system are optimized.

CN120090168APending Publication Date: 2025-06-03GUANGZHOU UNIVERSITY
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Patent Information

Application Number
CN202510138757.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-07
Publication Date
2025-06-03

AI Technical Summary

Technical Problem

When evaluating the flexibility potential of high-energy loads, the prior art fails to fully consider the coupling effect between different service types and the differences in the spatial distribution of power supply and load, resulting in the impact of the accuracy of the evaluation results.

Method used

Build a refined model for flexible supply of high energy loads, including a flexible supply model for electrolytic aluminum loads based on power-current-temperature coupling and a flexible supply model for arc furnace loads based on production processes; build a quantitative model for flexible supply and demand in power grid nodes; build a flexible supply and demand transmission model and system flexibility supply and demand conditions based on multi-path resource transmission mechanism between nodes; establish a high energy load response potential evaluation index system, and build a high energy load response potential evaluation model that takes into account flexible supply and demand space-time balance based on timing production operation simulation.

Benefits of technology

Through refined model construction and multi-path resource transmission mechanism, the flexibility potential of high energy loads in the power system can be more accurately reflected, providing more accurate evaluation results, and helping the power system optimize scheduling and improve stability.

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Abstract

The invention relates to the technical field of flexibility resource potential assessment, and particularly discloses a high-energy load flexibility potential assessment method, which comprises the following steps: constructing a high-energy load flexibility supply refinement model; based on an inter-node multi-path resource transmission mechanism, constructing a flexible supply and demand transmission model and a system flexible supply and demand space-time balance condition; establishing a high-energy load response potential evaluation index system; and on the basis of time sequence production operation simulation, taking the system flexibility insufficient index as an optimization variable, and constructing a high-energy load response potential evaluation model considering flexible supply and demand space-time balance. According to the method, the adjustment characteristic of the high-energy load, the supply and demand transmission process of the power grid and the spatial-temporal distribution characteristic are comprehensively considered, so that the support potential of the high-energy load for the flexibility of the power system is accurately evaluated, and the operation scheduling of the power system is optimized.
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