Power simulation adaptability test processing method for new energy unit

By setting upper and lower limits for PLL bandwidth and controller time constant in the power simulation model, generating parameter combinations and filtering them, and calculating the priority selection index, the contradiction between dynamic response and numerical stability in the power simulation model is resolved, and the reliability of predicting the behavior of new energy units in the power system is improved.

CN121389944APending Publication Date: 2026-01-23JIANGSU FRONTIER ELECTRIC TECH
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Patent Information

Application Number
CN202511509615.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-10-22
Publication Date
2026-01-23

AI Technical Summary

Technical Problem

Existing power simulation models present a contradiction in balancing dynamic response speed and numerical stability, which reduces the reliability of predicting the behavior of new energy units in the power system.

Method used

By obtaining the upper and lower limit constraints of PLL bandwidth and controller time constant, parameter combinations are generated to screen the dynamic response and numerical stability of the power simulation model. The priority selection index is calculated to select the optimal parameter combination to balance the model's adaptability.

Benefits of technology

A reasonable balance between dynamic response speed and stability of power simulation models has been achieved in the power system environment, improving the reliability of predicting the behavior of new energy units.

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Abstract

The invention discloses an electric power simulation adaptability test processing method for a new energy unit, and relates to the technical field of simulation testing, the method comprises the following steps: obtaining PLL bandwidth and controller time constant upper and lower limits, and generating a plurality of parameter combinations; applying each combination to a model, simulating under the disturbance of a preset power system, and collecting dynamic response and numerical stability information for preliminary screening to obtain candidate parameter combinations; the method comprises the following steps: selecting a candidate combination, collecting simulation state information of the candidate combination, calculating a priority selection index, and selecting a group with the maximum index as a final optimization parameter. The optimal PLL bandwidth and controller time constant can be found to balance the dynamic response speed and stability of the electric power simulation model in the electric power system environment, and reasonable global balance is formed between the PLL bandwidth and the controller time constant, so that the applicability of the final electric power simulation model does not deviate to a certain side; and the reliability of behavior prediction of the new energy unit in the power system is improved.
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