A Review on the Development of Wind-Storage Combined Systems in Power System Frequency Regulation
DOI:
https://doi.org/10.61173/g4p8n520Keywords:
wind-storage combined system, power sys-tem frequency regulation, control strategy, capacity con-figurationAbstract
The wind-storage combined system is an effective solution for addressing frequency stability issues in high-penetration wind power integration. Through coordinated control between wind turbines and energy storage, this system significantly enhances frequency regulation performance: energy storage achieves sub-100ms rapid response, maintains frequency deviation within ±0.15Hz, and increases frequency regulation revenue by 250,000-400,000 RMB/MW/year. Key technologies such as virtual inertia control, hierarchical coordination strategies, and dynamic SOC management extend lithium battery lifespan by 35% while reducing comprehensive costs by 28%. However, large-scale applications still face challenges including economic constraints, system stability risks under high penetration scenarios, and lack of standardization. Future development should focus on low-cost energy storage technologies, standardized frameworks, and optimization of wide-area coordination algorithms to support secure operation of new power systems.
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