Active power distribution network cooperative control method and device, electronic equipment and storage medium

By constructing a power array for tie cables and response data packets, and combining this with Lagrange function optimization of tie cable power allocation, the problem of unreasonable power allocation in active distribution networks is solved. This achieves efficient utilization of new energy resources and grid voltage stability, thereby improving the overall operating efficiency and security of the distribution network.

CN122178420APending Publication Date: 2026-06-09SHIJIAZHUANG KE ELECTRIC
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHIJIAZHUANG KE ELECTRIC
Filing Date
2026-04-09
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

When multiple active power distribution networks are connected by tie lines, there are problems such as unreasonable power distribution of tie cables, resulting in transmission conflicts, resource redundancy, low overall operating efficiency, high curtailment rate of new energy sources, large voltage fluctuations, and difficulty in guaranteeing power supply quality.

Method used

By constructing a power array for the connecting cables, obtaining response data packets, constructing a first set of equations with the objectives of energy abandonment and voltage deviation in the distribution network, and solving it using the Lagrange function, the power of the second connecting cable is determined, thus achieving network-wide collaborative optimization.

Benefits of technology

Significantly improve the utilization rate of new energy power generation, reduce the energy curtailment of the entire grid, ensure the stability of grid voltage, improve overall operational efficiency, ensure the safe and stable operation of connecting cables, and reduce operational risks.

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Abstract

This invention relates to the field of active distribution network collaborative control technology, and particularly to an active distribution network collaborative control method, device, electronic equipment, and storage medium. The invention first sends a power array of interconnecting cables to each sub-active distribution network; then, it acquires multiple response data packets; next, it substitutes these response data packets into a first set of equations with distribution network energy curtailment and voltage deviation as objectives, and interconnecting cable energy transmission balance as constraints; finally, it constructs a Lagrange function based on the first set of equations, and determines the second interconnecting cable power for each interconnecting cable by finding the stationary points of the Lagrange function. This invention achieves collaborative optimization by accurately distributing interconnecting cable power arrays, collecting renewable energy curtailment data from each sub-active distribution network, incorporating curtailment into the core optimization objective of the first set of equations, and minimizing curtailment through Lagrange function solutions, thereby minimizing renewable energy waste and improving the utilization efficiency of renewable energy resources.
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