REACTIVE VOLTAGE OPTIMAL CONTROL IN HIGH-PENETRATION DISTRIBUTED RENEWABLE ENERGY GRIDS COORDINATING ENERGY STORAGE AND REACTIVE POWER RESOURCES

Li Peng; Yu Bohan; Sun Shumin; Cheng Yan; Yu Peng; Wang Jiahao

doi:10.19912/j.0254-0096.tynxb.2025-0332

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Acta Energiae Solaris Sinica ›› 2026, Vol. 47 ›› Issue (7) : 685-692. DOI: 10.19912/j.0254-0096.tynxb.2025-0332

REACTIVE VOLTAGE OPTIMAL CONTROL IN HIGH-PENETRATION DISTRIBUTED RENEWABLE ENERGY GRIDS COORDINATING ENERGY STORAGE AND REACTIVE POWER RESOURCES

Li Peng¹, Yu Bohan¹, Sun Shumin², Cheng Yan², Yu Peng², Wang Jiahao¹

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Abstract

With the increasing penetration of distributed renewable energy, the operational complexity of distribution systems intensifies, and the declining reactive power regulation capability exacerbates voltage quality issues. To address this challenge, this study proposes an intraday optimal voltage/reactive power control method coordinating novel energy storage systems with traditional reactive power resources in high-penetration distributed renewable energy grids. First, the response characteristics and regulation capacities of novel energy storage systems and various reactive power resources in such systems are analyzed, establishing a multi-time-scale coordination framework. Subsequently, a dual timescale intraday optimal reactive voltage control model is developed and solved using a second-order cone relaxation approach. Verification through the modified IEEE 33-bus test case demonstrates that the proposed method effectively harnesses the adjustment capabilities of multiple reactive resources. It maintains control precision while preserving adequate dynamic reactive power reserves, finally enhancing the grid's reactive power optimization capability.

Key words

electric power systems / voltage control / energy storage / dynamic and static reactive power resource replacement

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Li Peng, Yu Bohan, Sun Shumin, Cheng Yan, Yu Peng, Wang Jiahao. REACTIVE VOLTAGE OPTIMAL CONTROL IN HIGH-PENETRATION DISTRIBUTED RENEWABLE ENERGY GRIDS COORDINATING ENERGY STORAGE AND REACTIVE POWER RESOURCES[J]. Acta Energiae Solaris Sinica. 2026, 47(7): 685-692 https://doi.org/10.19912/j.0254-0096.tynxb.2025-0332

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