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A Droop-Control-Based Framework for Coordinated Active and Reactive Power Management in Microgrids
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Keywords
Microgrid
Droop Control
Active Power Sharing
Reactive Power Management
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Abstract
The integration of distributed energy resources (DERs) into modern microgrids presents complex challenges in maintaining voltage stability, frequency regulation, and equitable power sharing. Droop control has emerged as a pivotal strategy for decentralized coordination of active and reactive power, enabling autonomous operation of microgrid components while maintaining system stability. This study proposes a droop-control-based framework for coordinated active and reactive power management in microgrids, emphasizing both AC and AC/DC hybrid configurations. The proposed approach incorporates theoretical foundations of droop characteristics, virtual impedance methods, and decentralized control strategies. Comparative analysis of existing control techniques highlights the limitations of traditional schemes in addressing dynamic load variations, renewable intermittency, and fault conditions. Simulation results demonstrate the effectiveness of the framework in balancing power flows, mitigating voltage fluctuations, and enhancing microgrid resilience. The findings provide practical implications for microgrid operators, offering a scalable and robust control strategy for future smart grid integration.
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