Distribution network operation strategy determination method and device and nonvolatile storage medium
By building a graph database of the power system and solving the objective function, the problem of not being able to take into account both power supply and consumption in the power system, and the computing efficiency and operating cost optimization capabilities of the power system are improved.
CN119726734APending Publication Date: 2025-03-28STATE GRID BEIJING ELECTRIC POWER CO +3
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Patent Information
- Application Number
- CN202411706967.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2025-03-28
AI Technical Summary
Technical Problem
When formulating the operation strategy of AC and DC hybrid distribution network in the power system, the dual goals of power supply and consumption cannot be taken into account, resulting in low computing efficiency of the power system.
Method used
By obtaining generalized energy storage and generalized load in the power system, a graph database is constructed, and the objective function is solved based on the first constraint condition in the target model, and the operation strategy of the AC-DC hybrid distribution network is determined.
Benefits of technology
The dual goal of taking into account both power supply and consumption is achieved, and the computing efficiency and operating cost optimization capabilities of the power system are improved.
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Figure CN119726734A_ABST
Abstract
The invention discloses a method and device for determining a distribution network operation strategy and a nonvolatile storage medium. The method comprises the steps that generalized stored energy and generalized loads in a power system are acquired, the generalized stored energy is used for storing adjustable resources divided based on a guaranteed absorption angle, and the generalized loads are used for storing adjustable resources divided based on a guaranteed power supply angle; constructing a graph database based on the generalized energy storage and the generalized load; a target model is constructed based on the graph database, and the target model comprises a target function composed of a first target function and a second target function and a first constraint condition; and solving a target function in the target model based on a first constraint condition in the target model, and determining an operation strategy of the AC / DC hybrid distribution network. The technical problem that the calculation efficiency of the power system is low due to the fact that the dual goals of power supply guaranteeing and absorption guaranteeing cannot be taken into account when the operation strategy of the alternating-current and direct-current hybrid distribution network is formulated in the power system in the related technology is solved.
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