Zhejiang Electric Power

2026, v.45;No.359(03) 3-16

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Building a voltage governance framework for modern power systems: challenges, practices, and prospects

WANG Fenghua;SHAO Xianjun;WU Junfei;ZHANG Tianhan;

Abstract:

During the development of modern power systems, the “dual-high” characteristics—high penetration of renewable energy and high power-electronic interfacing—have become increasingly prominent in power grids. Consequently, voltage issues have evolved from localized, technical challenges into systemic and multi-level risks to safety and stability. In this context, and in light of the structural transformation and operational characteristics of the modern power systems under the “dual-carbon” goals, this paper systematically analyzes the causes and manifestations of bidirectional voltage violations, pronounced power quality problems, reduced voltage stability margins, and rapid reactive power fluctuations. The paper further examines the multiple challenges currently faced in voltage governance, including unclear voltage regulation mechanisms, insufficient reactive power regulation resources, and a lack of coordinated control mechanisms. Finally, key technologies and practical experiences for building a voltage governance framework are presented, aiming to provide theoretical insights and practical pathways for the development of secure, high-quality modern power systems.

Key Words: modern power system;voltage governance;renewable energy;reactive power regulation

Abstract:

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Foundation: 国网浙江省电力有限公司科技项目(B311QZ26A002)

Authors: WANG Fenghua;SHAO Xianjun;WU Junfei;ZHANG Tianhan;

DOI: 10.19585/j.zjdl.202603001

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