Magnetic reactance type voltage stabilization dynamic performance evaluation method and system

By acquiring synchronous data from the magnetic reactance voltage regulator, determining the disturbance and stabilization times, calculating the voltage recovery time and harmonic suppression index, and generating a comprehensive performance score, the consistency and reliability issues of the evaluation of the magnetic reactance voltage regulator system are resolved, and accurate assessment of dynamic response and harmonic suppression is achieved.

CN122136818APending Publication Date: 2026-06-02STATE GRID BEIJING ELECTRIC POWER CO
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Patent Information

Application Number
CN202610240301.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-02-28
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Existing performance evaluation methods for magnetic reactive voltage regulators lack consistency in the comprehensive evaluation of dynamic response and harmonic suppression, resulting in low comparability and reliability of evaluation results.

Method used

By acquiring synchronously collected data during the operation of the magnetic reactive voltage regulator, the timing of disturbance occurrence and stabilization is determined, the voltage recovery time, voltage regulation accuracy, and overshoot are calculated, frequency domain analysis is performed to obtain harmonic suppression index, and a comprehensive dynamic performance score is generated.

Benefits of technology

It enables accurate evaluation of the dynamic response and harmonic suppression of magnetic reactive voltage regulators, improves the pertinence, consistency and comparability of evaluation results, and provides a reliable quantitative assessment of the degree of power quality improvement.

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Abstract

The invention relates to a magnetic reactance type voltage stabilization dynamic performance evaluation method and system. The method comprises the steps that synchronous acquisition data in the operation process of a magnetic reactance type voltage stabilization system are acquired; determining a disturbance occurrence moment and a stable moment based on the synchronously acquired data, and extracting an evaluation data segment according to the disturbance occurrence moment and the stable moment; calculating voltage recovery time, voltage regulation precision and overshoot according to the evaluation data segment to obtain a dynamic response index; performing frequency domain analysis on the evaluation data segment, and calculating a total harmonic distortion rate improvement rate and each harmonic suppression ratio based on a frequency domain analysis result to obtain a harmonic suppression index; and generating a comprehensive dynamic performance score based on the dynamic response index and the harmonic suppression index, and further generating a dynamic performance evaluation result of the magnetic reactance type voltage stabilization system. The method has the effect of improving the evaluation consistency.
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