A transformer area line loss abnormal point identification and positioning method based on technical line loss

By processing measurement data and identifying phases based on the data acquisition system, the circuit impedance of the transformer substation is calculated. Combined with the technical line loss model, the problems of large line loss calculation errors and inaccurate anomaly point location in traditional methods are solved, realizing efficient line loss anomaly point identification and location, and improving the safety and reliability of the power grid.

CN122449271APending Publication Date: 2026-07-24XUCHANG POWER SUPPLY COMPANY OF STATE GRID HENAN ELECTRIC POWER
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
XUCHANG POWER SUPPLY COMPANY OF STATE GRID HENAN ELECTRIC POWER
Filing Date
2026-03-31
Publication Date
2026-07-24

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Abstract

The application discloses a kind of based on technical line loss's transformer area line loss abnormal point identification and positioning method, comprising the following steps: S1, based on the measurement data of system, the loop impedance of transformer area line is accurately calculated by data analysis, and the data foundation is laid for line loss analysis;S2, the loop impedance value obtained by accurate calculation is used, combined with technical line loss calculation model, the accurate quantification of line loss is realized, and the evaluation and optimization system of model is built;S3, based on the accurate loop impedance value and the quantification of technical line loss, identify transformer area line loss abnormal situation, and carry out abnormal point positioning on transformer area topological structure;The application has the advantages of high accuracy, good adaptability, can reduce the operating cost of distribution network, to support the high-quality development of electric power industry, improve the safety and reliability of power grid, ensure the stability of power supply.
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