Method and system for evaluating and managing adaptability of power grid of network-forming inverter

Through the grid-type inverter grid adaptability assessment management methods and systems, the historical operation data of the inverter is analyzed, abnormal problems are identified and adaptive tests are carried out, and abnormal problems occur in the inverter under complex power grid conditions are solved, ensuring its normal operation and supporting the stable operation of the new energy power generation system.

CN119693189AActive Publication Date: 2025-03-25湖北能源集团西北新能源发展有限公司
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Patent Information

Application Number
CN202510084373.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2025-03-25
Estimated Expiration
2045-01-20

AI Technical Summary

Technical Problem

In actual operation, the inverter faces various complex power grid conditions, resulting in a variety of abnormal problems, such as voltage abnormality, frequency offset, three-phase imbalance and harmonic pollution, which affects its normal operation.

Method used

Provide a grid-type inverter grid adaptability assessment management method and system. By deeply analyzing the historical operation data of the inverter, identifying abnormal problems and corresponding grid conditions, integrating the test background, and conducting inverter adaptability test based on these test backgrounds.

Benefits of technology

Ensure the normal operation of the inverter, provide strong guarantees for the stable operation of the new energy power generation system, and can meet the application needs under different power grid conditions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention provides a network construction type inverter power grid adaptability evaluation management method and system, and the method comprises the steps: obtaining historical operation data of an inverter during operation in a power grid, and screening the historical operation data; determining a corresponding operation problem when the inverter operates abnormally, and obtaining a test item and a test background corresponding to the test item; performing function debugging on the test equipment based on the test items and the corresponding test backgrounds; testing the target inverter through the test equipment; power grid information of a target inverter needing to be applied is obtained, a test item is matched according to the power grid information, and a test background corresponding to the test item serves as a power grid background; and performing adaptability evaluation on the target inverter based on the power grid background and the test data to obtain an adaptability evaluation result. Normal work of the inverter can be guaranteed, a powerful guarantee is provided for stable operation of a new energy power generation system, and application requirements under different power grid conditions can be met.
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Citation Information

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