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Related Experiment Video

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Author Spotlight: Simulation and Analysis of the Temperature Rise of Ring Main Unit Equipment

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Research on wind power penetration limit considering voltage stability.

Xiaofei Liu¹, Yihan Zhang², Huixuan Li²

¹State Grid Henan Economic Research Institute, Zhengzhou, 450000, China. heytea0108@163.com.

Scientific Reports

|January 7, 2026

Summary

This study introduces a new method to determine the maximum wind power capacity a grid can handle by analyzing voltage stability. The approach accurately estimates the wind power penetration limit (WPPL), crucial for grid planning.

Keywords:

Analytical calculation method Modal eigenvalue Reactive power Voltage stability constraint Wind power penetration limit

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Area of Science:

Electrical Engineering
Power Systems Analysis

Background:

Increasing wind power integration challenges grid stability.
Grid voltage stability is a key factor limiting wind power capacity.

Purpose of the Study:

To develop a novel method for assessing the wind power penetration limit (WPPL) considering voltage stability.
To provide a rapid and effective estimation of WPPL for power grid planning.

Main Methods:

Utilizing a reduced-order Jacobian matrix to analyze modal eigenvalues influenced by wind power.
Proposing an analytical calculation method for WPPL based on voltage stability constraints.

Main Results:

The proposed method accurately estimates the WPPL in simulated and real-world power systems.
Case studies validated the method's effectiveness compared to existing approaches.

Conclusions:

The developed method offers a reliable approach for assessing WPPL, considering voltage stability.
Analysis identified key factors influencing WPPL and suggested engineering measures for improvement.