Power grid operation risk monitoring method and device, electronic equipment and storage medium

By monitoring and evaluating the operating data and temperature data of the distribution transformer in real time, the problems of traditional methods failing to effectively evaluate the three-phase imbalance and load overload of the new energy grid are solved, and more accurate monitoring of the grid operation risk is achieved.

CN119853274APending Publication Date: 2025-04-18GUANGDONG POWER GRID CO LTD +1
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Patent Information

Application Number
CN202411900668.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-04-18

AI Technical Summary

Technical Problem

The traditional grid operation risk assessment and monitoring methods fail to fully consider the operation risks such as three-phase imbalance and load overload of the new energy grid, resulting in limited accuracy and applicability of the risk assessment.

Method used

By obtaining real-time operation data and temperature data of the distribution transformer, combining preset evaluation indicators, the evaluation index values ​​of three-phase imbalance and load overload are calculated, real-time monitoring and evaluation are carried out, and corresponding alarms are generated.

Benefits of technology

Real-time and accurate monitoring and evaluation of the three-phase imbalance and load overload of distribution transformers in the new energy power grid has been achieved, and the accuracy and applicability of grid operation risk monitoring has been improved.

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Abstract

The invention discloses a power grid operation risk monitoring method and device, electronic equipment and a storage medium, and the method comprises the steps: calculating a three-phase imbalance evaluation index value corresponding to each three-phase imbalance evaluation index according to the real-time operation data of a distribution transformer and preset three-phase imbalance evaluation indexes, evaluating the three-phase imbalance degree of the distribution transformer according to each three-phase imbalance evaluation index value, and generating a corresponding three-phase imbalance alarm according to the three-phase imbalance degree; and calculating a load condition evaluation index value corresponding to each load condition evaluation index according to the real-time operation data and preset load condition evaluation indexes, then evaluating the load overload degree of the distribution transformer according to the load condition evaluation index values, and generating a corresponding load overload alarm according to the load overload degree. According to the invention, the accuracy of power grid operation risk monitoring and evaluation can be improved.
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