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独立交流微网中电池储能与柴油发电机的协调控制

, PP. 70-78

Keywords: 独立微网系统,电池储能,柴油发电机,协调控制,无缝切换

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Abstract:

在独立交流微网系统内,柴油发电机和电池储能之间的协调控制是保证系统稳定运行的关键。利用电池储能的快速响应特性,提出了柴油发电机和储能电池的协调控制方法。柴油发电机作为主电源时,通过在储能系统传统下垂控制中引入辅助功率控制信号,防止柴油机长时过流引起的系统崩溃,提高了系统稳定性。针对微网内主电源从储能系统转为柴油发电机或者从柴油发电机转为储能系统时的短时停电问题,提出了柴油发电机和储能电池双主电源的无缝切换控制策略。最后利用PSCAD仿真软件对所提方法进行了验证。

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