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As the development of new power systems progresses, the inherent inertia of power systems continues to diminish. Centralized frequency regulation (CFR), which relies on rapid communication and real-time control, can enable inverter-based thermostatically controlled load (ITCL) clusters to provide virtual inertia (VI) support to the power grid. This paper studies the impact of the inertia delay of ITCL clusters, based on CFR, on the stability of the power system, and proposes a VI control parameter design scheme that considers the dual constraints of frequency stability and load cluster regulation capability. Finally, the feasibility and applicability of the proposed parameter design scheme is investigated through simulations conducted using MATLAB/Simulink.

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Centralized Virtual Inertia Control of Inverter-Based Thermostatically Controlled Load Clusters

  • 会议论文

  • 发表日期：

    2026年

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  • Xuhao Zhang,
  • Te Zhou,
  • Honghu Chen,
  • Shuai Wang,
  • Xiaoqiang Zhang,
  • Ning Zhang

摘要

As the development of new power systems progresses, the inherent inertia of power systems continues to diminish. Centralized frequency regulation (CFR), which relies on rapid communication and real-time control, can enable inverter-based thermostatically controlled load (ITCL) clusters to provide virtual inertia (VI) support to the power grid. This paper studies the impact of the inertia delay of ITCL clusters, based on CFR, on the stability of the power system, and proposes a VI control parameter design scheme that considers the dual constraints of frequency stability and load cluster regulation capability. Finally, the feasibility and applicability of the proposed parameter design scheme is investigated through simulations conducted using MATLAB/Simulink.