Distribution area line loss analysis application scene evaluation method, system and equipment

By acquiring topological power data in low-voltage distribution networks, calculating line loss rates, and measuring equipment line losses, the problem of digital sensing of electrical energy data and calculation of line losses in low-voltage distribution networks has been solved, thus achieving greater accuracy in power grid status monitoring and electricity management.

CN121762953APending Publication Date: 2026-03-31CHINA ELECTRIC POWER RESEARCH INSTITUTE CO LTD +2
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Patent Information

Application Number
CN202411356969.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-27
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

The lack of effective digital sensing of electrical energy data and line loss calculation methods in low-voltage distribution networks leads to unreasonable line loss management, affecting the accuracy of power grid status monitoring and electricity consumption management.

Method used

By acquiring power data of the topology of distribution substations under different application scenarios, calculating line loss rate and identifying abnormal line loss events, measuring equipment line loss using a line loss simulation device, and calculating line loss rate error using a standard energy meter, line loss analysis of each device is achieved.

Benefits of technology

It improves the accuracy and discriminative power of line loss analysis, enabling the identification of components with excessive losses in the power grid, ensuring the authenticity and accuracy of line loss calculations, and supporting the optimized operation of the power grid.

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Abstract

The invention discloses a power distribution area line loss analysis application scene evaluation method, system and equipment. The method comprises the following steps: acquiring electric quantity data of each monitoring node according to a topological structure of a power distribution area under different application scenes; calculating based on the electric quantity data of each monitoring node in the topological structure to obtain the line loss rate of the power distribution area and determine a line loss abnormal event; on the basis of the line loss abnormal event, the line loss simulation device is used for measuring the line loss of each device or measuring the electric energy data of each device to calculate the line loss of each device; performing calculation based on the line loss of each device and the line loss of a standard electric energy meter to obtain a line loss rate calculation error of each device; according to the invention, the electric energy data is obtained based on multiple scenes for line loss analysis, so that the accuracy and resolution of line loss analysis can be greatly improved; digital sensing of electric energy data of each node can be realized, and elements with excessive loss can be found out; whether the actual line loss is true or not can be assessed and the degree of unknown loss can be determined by calculating the line loss rate calculation error.
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