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Disaster prevention and treatment method and device for geomagnetic disturbance, storage medium and equipment

A technology of geomagnetic disturbance and geomagnetic storm, applied in the field of electric power, can solve problems such as over-governance, failure to meet the stability needs of the power system, under-governance, etc., and achieve the effect of preventing resource waste

Pending Publication Date: 2021-12-24
MAINTENANCE BRANCH COMPANY STATE GRID ZHEJIANG ELECTRIC POWER +2
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Problems solved by technology

However, the configuration of these governance devices is often based on the maximum value of the GIC in a certain geomagnetic storm event, without considering the volatility of the GIC. Governance" problem, unable to meet the stability needs of the power system

Method used

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  • Disaster prevention and treatment method and device for geomagnetic disturbance, storage medium and equipment
  • Disaster prevention and treatment method and device for geomagnetic disturbance, storage medium and equipment
  • Disaster prevention and treatment method and device for geomagnetic disturbance, storage medium and equipment

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Embodiment Construction

[0053] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0054] Such as figure 1 As shown, it is a schematic flow chart of a geomagnetic disturbance-oriented disaster prevention and control method provided in the embodiment of the present application, including the following steps:

[0055] S101: Construct a ground conductivity model based on pre-collected ground conductivity data.

[0056] Wherein, the specific implementation process of constructing the ground conductivity model based on the ground conductivity data is common knowledge ...

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Abstract

The invention discloses a disaster prevention and treatment method and a device for geomagnetic disturbance, a storage medium and equipment. The method comprises the steps: simulating the line induction voltage of each node based on ground conductivity data, and calculating a geomagnetic induction current sample according to the line induction voltage; and determining a probability distribution function of the geomagnetic induction current based on each geomagnetic induction current sample; analyzing the magnetic bias data to obtain the magnetic bias current of the node; substituting each bias current into the probability distribution function to obtain each actual geomagnetic induction current; substituting each actual geomagnetic induction current into the magnetic bias treatment mathematical model to obtain a calculation result output by the magnetic bias treatment mathematical model; and adjusting the state of each governance device in the power system according to the calculation result, so that the total number of the governance devices in the open state is equal to the optimal solution shown by the calculation result, thereby preventing excessive governance devices from participating in the governance process under the condition of ensuring that the number of the governance devices participating in the governance process of the power system meets the governance requirement.

Description

technical field [0001] The present application relates to the field of electric power, and in particular to a disaster prevention and control method, device, storage medium and equipment for geomagnetic disturbances. Background technique [0002] The increase in transformer reactive power loss caused by Geomagnetically Induced Current (GIC) will destroy the reactive power balance of the system, resulting in transformer damage or even a major blackout. The global synchronization of the geomagnetic storm makes the reactive power loss of the transformer GIC group-wide. In addition, the uncertainty of the geomagnetic field strength during the geomagnetic storm also makes the geomagnetic storm random. In real life, the operating state of the power system is approaching its stability limit, and the reactive power fluctuations caused by random geomagnetic storms will have a greater impact on the power system, thereby inducing large-scale accidents in the power system. [0003] At ...

Claims

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Application Information

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IPC IPC(8): G06F30/20G06F17/18G06Q50/06
CPCG06F30/20G06F17/18G06Q50/06
Inventor 曹力潭刘永杰步顺德刘文琳乔敏孙林涛侯贺伟王旋蔡韩奇年长春代顺锋苗瑜蒯杲田雷张宇升
Owner MAINTENANCE BRANCH COMPANY STATE GRID ZHEJIANG ELECTRIC POWER
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