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March 2, 2026Energy EngineeringOpen Access

A Double-Time-Scale Dynamic Reactive Power Optimization Method for the AC/DC Hybrid Power Grid Incorporating UPFC

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Authors

WYWei YinJWJun. WangMTMing Tong

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Overview

Demonstrates improved voltage regulation in an AC/DC hybrid power grid using double-time-scale optimization, suggesting enhanced grid stability.

Key Points

  • The aim is to mitigate voltage fluctuations in the AC/DC hybrid power grid using a double-time-scale reactive power optimization method incorporating UPFC.
  • Constructed a slow-time-scale optimization framework to improve voltage profiles and system costs.
  • Set voltage regulation weight coefficients based on trajectory sensitivity to maintain reactive power capability.
  • Implemented fast-time-scale adaptive feedback control to manage real-time reactive power output.
  • Executed case studies on a modified IEEE-30 bus system.
  • Achieved a 3.17% reduction in maximum voltage deviation compared to the baseline.
  • Maintained economic efficiency while improving voltage stability.
  • Effectively managed rapid voltage swings from Photovoltaic and load variations.

Cite This Study

Yin et al. (2026) studied this question.

synapsesocial.com/papers/69a52df3f1e85e5c73bf13fdhttps://doi.org/10.32604/ee.2026.075066
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  5. 5Coordinated reactive power control for hybrid cascaded high‐voltage direct‐current links in weak AC grids2024 · 3 citations