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首页> 外文期刊>Power Electronics, IET >Autonomous operation of distributed storages in microgrids
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Autonomous operation of distributed storages in microgrids

机译：微电网中分布式存储的自主运行

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摘要

Operation of distributed generators in microgrids has been widely discussed, but would not be fully autonomous if distributed energy storages are not considered. Storages are important since they provide energy buffering to load changes, energy levelling to source variations and ride-through enhancement to the microgrids. Recognising their importance, this study presents a scheme for sharing power among multiple distributed storages in coordination with the distributed sources and loads. The scheme prompts the storages to autonomously sense for local operating conditions, requesting for maximum charging energy only when excess generation capacity is available. As generation capacity drops or demand increases, energy drawn by the storages decreases spontaneously to avoid over-stressing the sources. When full generation capacity is near, the storages will automatically release their stored energy to help with meeting the extra load demand. The described process takes place autonomously with energy eventually shared among the storages in proportion to their ratings. To test the concepts discussed, experiments have been performed with favourable results obtained for performance verification.
机译：微电网中分布式发电机的运行已被广泛讨论，但如果不考虑分布式储能，将不会完全自主。存储器之所以重要，是因为它们为负载变化提供能量缓冲，为源变化提供能量均衡，并增强微电网的穿越能力。认识到它们的重要性，本研究提出了一种与分布式源和负载协调的，在多个分布式存储之间共享电源的方案。该方案提示存储区自动感知本地操作条件，仅在可用发电量超额时才请求最大充电能量。随着发电量的下降或需求的增加，存储库所消耗的能量会自发减少，从而避免了对源的过度压力。当接近满负荷发电量时，存储库将自动释放其存储的能量，以帮助满足额外的负载需求。所描述的过程是自动进行的，最终在存储之间按比例分配能量。为了测试所讨论的概念，已经进行了实验，并获得了用于性能验证的良好结果。

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