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<p>In modern distributed power grids, ensuring stable voltage levels is crucial for reliable operation, yet the performance of distributed voltage control systems is significantly impacted by the communication infrastructure connecting control units. Traditional methods such as wireless communication and Power Line Communication (PLC) suffer from high latency and jitter, resulting in delayed control actions and suboptimal voltage regulation. This paper investigates the use of hard-isolated Gigabit-capable Passive Optical Networks (GPON) to address these issues. Through simulations based on the IEEE 123-bus test feeder system, we compare the performance of wireless communication, PLC, and GPON within a distributed voltage regulation framework. The results show that GPON, with its low latency and minimal jitter, significantly improves voltage stability by enabling faster and more coordinated control actions among microgenerators. This study highlights the advantages of GPON over conventional communication methods, providing valuable insights for enhancing the efficiency of voltage control in future smart grid designs.</p>

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Enhancing Voltage Stability in Distributed Power Grids Based on Hard-Isolated GPON

  • 期刊论文

  • 发表日期：

    2025年8月19日

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  • Ying Zeng,
  • Jiangang Lu,
  • Jian Zhang,
  • Manchun Lu

摘要

In modern distributed power grids, ensuring stable voltage levels is crucial for reliable operation, yet the performance of distributed voltage control systems is significantly impacted by the communication infrastructure connecting control units. Traditional methods such as wireless communication and Power Line Communication (PLC) suffer from high latency and jitter, resulting in delayed control actions and suboptimal voltage regulation. This paper investigates the use of hard-isolated Gigabit-capable Passive Optical Networks (GPON) to address these issues. Through simulations based on the IEEE 123-bus test feeder system, we compare the performance of wireless communication, PLC, and GPON within a distributed voltage regulation framework. The results show that GPON, with its low latency and minimal jitter, significantly improves voltage stability by enabling faster and more coordinated control actions among microgenerators. This study highlights the advantages of GPON over conventional communication methods, providing valuable insights for enhancing the efficiency of voltage control in future smart grid designs.