储能系统在区域电网一次调频中的应用研究  

Research on the Application of Energy Storage System to Primary Frequency Regulation for Regional Power Grid

作　　者：李飞[1] 肖仕武[1] 徐歌[1] 宋瑞华[2] 张媛媛[2] 

机构地区：[1]华北电力大学,北京102206 [2]中国电力科学研究院,北京100192

出　　处：《现代电力》2017年第2期67-73,共7页Modern Electric Power

基　　金：国家电网公司科技项目(XT71-13-037)

摘　　要：储能系统具有响应迅速、跟踪精确的特点,将其应用于区域电网的一次调频时,可以有效改善区域电网暂态频率特性。为了实现储能系统与区域电网中常规机组一次调频的配合,基于区域电网的一次调频理论模型,分析了常规机组独立参与一次调频时及与储能系统配合参与一次调频时的各自特性及相互配合的问题。基于此,提出了常规机组作为一次调频主体,储能系统承担功率缓冲的配合原则;并提出了包含改进下垂控制、调频退出控制及能量管理控制的完整的储能系统参与一次调频的控制策略。最后,搭建了相应的仿真模型,验证了控制策略的正确性。When Energy storage system, which has such characteristics as quick response and accurate tracking, is applied in primary frequency regulation of regional power grid, the transient frequency characteristics will be im- proved effectively. In order to coordinate energy storage system and conventional thermal units, such issues as the primary frequency regulation characteristics of conventional thermal units and its cooperation with energy storage system and their coordination operation are analyzed based on the primary frequency regulation mathematical model of region- al power grid. The coordination principle that conventional thermal units take main role and the energy storage system takes the supplementary role in primary frequency regulation is proposed. In addition, the whole control strategy of pri- mary frequency regulation with the involving of energy stor- age system, which includes such functions as improved droop control, exiting control of regulation control and energy management control, is proposed. In the end, its effective- nessis verified through the simulation results.

关 键 词：储能系统 区域电网 一次调频 控制策略 

分 类 号：TM732[电气工程—电力系统及自动化]