电网连接数据中心的小型模块反应堆供电动态稳定性评估
Dynamic Stability Assessment of Grid-Connected Data Centers Powered by Small Modular Reactors
AI总结：
本文提出了一种集成小型模块反应堆和电池储能系统的电网连接综合能源系统，用于提升数据中心的电压和频率稳定性，通过动态建模和仿真验证其在多种故障场景下的优越性能。
摘要：
现代数据中心计算需求的加速增长进一步加剧了对高可靠、环境可持续且能支持电网稳定性的电力基础设施的需求。小型模块反应堆（SMRs）作为一种清洁能源来源，特别吸引下一代超大规模数据中心，这些数据中心具有显著的电力和冷却需求。本文提出了一个为数据中心应用设计的电网连接综合能源系统（IES）的全面动态建模和稳定性分析。所提出的IES集成了SMR和电池储能系统，共同为计算和冷却负载供电，同时为主电网提供稳定性支持。开发了一个耦合的计算-热负荷模型，以捕捉数据中心的实时电力需求，包括CPU利用率、冷却效率和环境温度影响。集成的SMR供电数据中心模型在PSSE中实现，并在IEEE 118节点系统上各种故障场景下进行测试。仿真结果表明，与传统电网连接数据中心相比，IES显著提高了电压和频率稳定性，减少了由扰动引起的偏差，并改善了故障后的恢复能力。
英文摘要：
The accelerating growth of computational demand in modern data centers has further heightened the need for power infrastructures that are highly reliable, environmentally sustainable, and capable of supporting grid stability. Small Modular Reactors (SMRs) as a clean source of energy are particularly attractive for next-generation hyperscale data centers with significant electrical and cooling demands. This paper presents a comprehensive dynamic modeling and stability analysis of a grid-connected Integrated Energy System (IES) designed for data center applications. The proposed IES integrates an SMR and a battery energy storage system to jointly supply electricity for computational and cooling load while providing stability support to the main grid. A coupled computational-thermal load model is developed to capture the real-time power demand of the data center, incorporating CPU utilization, cooling efficiency, and ambient temperature effects. The integrated SMR-powered data center model is implemented in PSSE and tested on the IEEE 118-bus system under various fault scenarios. Simulation results demonstrate that the IES substantially enhances voltage and frequency stability compared to a conventionally grid-connected data center, minimizing disturbance-induced deviations and improving post-fault recovery.
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