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考虑储能参与快速调频动作时机与深度的容量配置方法

, PP. 454-464

Keywords: 储能,快速调频,时机,深度,容量配置

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Abstract:

提出一种考虑储能参与快速调频动作时机与深度的容量配置方法.首先依据复频域灵敏度原理分析了含储能的区域电网的频率特性,基于此提出一种针对储能的综合控制模式,它包含了虚拟惯性控制和虚拟下垂控制模式.然后,基于时域灵敏度原理和调频评估指标,理论推导了储能在参与快速调频时的时域频率响应特性,分析了确定其合理动作时机应当满足的条件,结合此条件给出了相关动作时机及其应当采取的控制模式;同时,结合调频评估指标要求确定了动作深度,并给出了所必需的动作深度与额定功率之间的关系,进而形成了储能容量配置方法并给出了相应的流程.最后,以某典型电网的参考事故为初始条件进行了仿真验证,结果表明所提方法能以较小的储能配置容量实现调频评估指标要求.

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