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July 8, 2026Sustainable Energy ResearchOpen Access

Coordinated control strategy for photovoltaic power generation in microgrids considering the dynamic characteristics of photovoltaic-storage converters

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Authors

ZZZiheng ZhaoZZZiheng ZhaoYCYuan Cao

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Overview

Randomized trial demonstrates enhanced dynamic stability in microgrids through coordinated photovoltaic-storage control.

Key Points

  • This research aims to optimize dynamic performance in microgrids with high photovoltaic integration by addressing stability challenges.
  • Developed a dynamic model for photovoltaic-storage microgrid systems, considering control mechanisms and communication delays.
  • Designed a three-layer hierarchical coordinated control strategy focusing on frequency, voltage, and power quality.
  • Evaluated the strategy's performance under different load conditions and operational scenarios.
  • Minimized maximum system frequency deviation from -0.65 Hz to -0.25 Hz during a 30% load step disturbance.
  • Reduced the maximum voltage deviation at critical nodes from 0.12 p.u. to 0.04 p.u. under a 70% photovoltaic power drop.
  • Decreased the total harmonic distortion (THD) rates to 2.5% for voltage and 4% for current under nonlinear load conditions.

Cite This Study

Zhao et al. (2026) studied this question.

synapsesocial.com/papers/6a4de9add2ea289ef6283b44https://doi.org/10.1186/s40807-026-00250-x
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