Method, device, equipment, medium and product for constructing current limiting reactor

By acquiring the basic design parameters of the reactor and the magnetic property data of the ferromagnetic material, a dynamic permeability function model is generated, and a magnetic circuit electrical coupling simulation model is constructed. This solves the problem of low current-limiting stability in the existing technology and improves the stability of the reactor under extreme operating conditions.

CN122197310APending Publication Date: 2026-06-12SHANWEI POWER SUPPLY BUREAU OF GUANGDONG POWER GRID CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHANWEI POWER SUPPLY BUREAU OF GUANGDONG POWER GRID CORP
Filing Date
2026-02-27
Publication Date
2026-06-12

AI Technical Summary

⚠Technical Problem

The existing technology for constructing large-capacity oil-immersed current-limiting reactors lacks consideration of the characteristic changes of the ferromagnetic material used in the yoke during the current-limiting process. This results in the simulation model being unable to accurately reproduce the hysteresis effect and saturation characteristics, leading to low current-limiting stability of the reactor under extreme operating conditions.

⚗Method used

By obtaining the basic design parameters of the target reactor and combining them with the magnetic property data of ferromagnetic materials to generate a dynamic permeability function model, a magnetic circuit electrical coupling simulation model is constructed. The dynamic permeability function and structural parameters are deeply integrated to realistically reproduce the coupling process of material saturation and inductance change under short-circuit conditions. Simulation tests are then conducted to determine the design scheme.

🎯Benefits of technology

It improves the current-limiting stability of the reactor under extreme operating conditions, and can maintain a stable inductance during extreme short circuits, effectively suppressing short-circuit current peaks.

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Abstract

The embodiment of the application provides a current limiting reactor construction method, device, equipment, medium and product, and is applied to the structural design technical field of the reactor. The method comprises the following steps: obtaining basic design parameters of a target reactor, wherein the basic design parameters comprise winding core parameters, oil channel design parameters, iron yoke design parameters and basic inductance parameters of the target reactor; obtaining magnetic property data of a ferromagnetic material of an iron yoke in the target reactor, performing mathematical modeling on the magnetic property data, and generating a dynamic magnetic permeability function model; constructing a magnetic circuit electrical coupling simulation model of the target reactor based on the basic design parameters and the dynamic magnetic permeability function model; performing simulation test based on the magnetic circuit electrical coupling simulation model, obtaining a simulation result, and determining a design scheme of the target reactor based on the magnetic circuit electrical coupling simulation model when the simulation result indicates that the magnetic circuit electrical coupling simulation model is feasible. The technical effect of improving the current limiting stability of the reactor under extreme working conditions is achieved.
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