Page 168 - 《中国电力》2026年第5期
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第 59 卷 第 5 期                                                                          Vol. 59, No. 5
               2026 年 5 月                            ELECTRIC POWER                                   May 2026

              引用格式:李永斌, 格桑晋美, 吴杰, 等. 考虑      SOC  约束和有功调频系数的构网型储能一次调频方法[J]. 中国电力, 2026, 59(5): 164−175.
              Citation:  LI Yongbin,  GESANG Jinmei,  WU Jie,  et  al.  A  grid-forming  energy  storage  primary  frequency  regulation  method  considering  SOC
              constraints and active frequency modulation coefficients[J]. Electric Power, 2026, 59(5): 164−175.



                          考虑       SOC       约束和有功调频系数的构网型

                                              储能一次调频方法



                                   李永斌 ,格桑晋美 ,吴杰 ,朱玲 ,徐广                                 2
                                                                               2
                                            1
                                                           1
                                                                     1
                                          (1. 国网西藏电力有限公司,西藏 拉萨 850000;
                                       2. 国电南瑞南京控制系统有限公司,江苏 南京 211106)
                     A grid-forming energy storage primary frequency regulation method
                  considering SOC constraints and active frequency modulation coefficients

                                                            1
                                                                     1
                                                                                2
                                           1
                                 LI Yongbin , GESANG Jinmei , WU Jie , ZHU Ling , XU Guang 2
               (1. State Grid Xizang Electric Power Co., Ltd., Lhasa 850000, China; 2. NARI Nanjing Control System Co., Ltd., Nanjing 211106, China)

              Abstract: With the decline of system inertia in modern power  constraints,  the  proposed  method  reduces  the  maximum
              systems, frequency issues following disturbances have become  frequency  deviation  by  43.3%  and  significantly  raises  the
              increasingly severe, and the deployment of grid-forming energy  frequency  nadir,  thereby  effectively  enhancing  the  transient
              storage  has  gradually  emerged  as  an  important  means  for  frequency stability of the power system.
              primary  frequency  regulation.  However,  improper  parameter  This  work  is  supported  by  Smart  Grid-National  Science  and
              settings of grid-forming energy storage may aggravate transient  Technology Major Project (No.2025ZD0805000), Science and
              stability risks, and existing studies generally neglect the state of  Technology  Project  of  State  Grid  Xizang  Electric  Power  Co.,
              charge  (SOC)  constraints  of  the  storage  system  itself.  To  Ltd. (No.52313924000H).
              address  this  issue,  this  paper  proposes  a  primary  frequency  Keywords:  grid-forming  energy  storage;  primary  frequency
              regulation method for grid-forming energy storage considering  regulation; SOC constraint
              SOC  constraints  and  active  frequency  modulation  coeffici-
              ents.First,  a  detailed  mathematical  model  is  established  to  摘 要:随着电力系统惯量下降导致扰动后系统频率问
              describe  the  coordinated  participation  of  grid-forming  energy  题 加 剧 , 配 置 构 网 型 储 能 逐 渐 成 为 一 次 调 频 的 重 要 手
              storage  and  synchronous  generators  in  primary  frequency  段。若构网型储能参数设置不当反而可能加剧系统暂态
              regulation, and the system frequency response transfer function  稳定风险,且现有研究普遍忽略储能自身荷电状态(state
              is derived. Second, based on trajectory sensitivity analysis, the  of charge,SOC)约束。为此,提出一种考虑  SOC  约束和
              key dominant parameters affecting transient frequency stability  有功调频系数的构网型储能一次调频方法。首先,建立
              are  identified,  and  a  parameter  optimization  model  is  构网型储能与同步发电机协同参与一次调频的详细数学
              constructed  with  the  objective  of  minimizing  the  maximum  模型,推导系统频率响应传递函数;其次,基于轨迹灵
              system frequency deviation. The model incorporates constraints  敏度分析,识别出影响暂态频率稳定的关键主导参数并
              on the SOC safe operating range, output limits, and the rate of  构建以最小化系统最大频率偏差为目标,计及储能      SOC
              change  of  frequency  (RoCoF),  and  is  solved  using  the  安全运行区间、出力限制及系统频率变化率(rate of change
              sequential  quadratic  programming  (SQP)  algorithm.  Finally,  of frequency,RoCoF)约束的参数优化模型,采用序列二
              simulation  results  demonstrate  that,  under  SOC  and  RoCoF  次规划算法进行求解;最后,通过仿真算例验证,结果
                                                                表明所提方法在满足         SOC  与  RoCoF  约束条件下,使系统
                                                                最大频率偏差降低        43.3%,频率最低点显著抬升,有效提
              收稿日期:2025−12−15; 修回日期:2026−04−14。                 升了系统暂态频率稳定性能。
              基金项目:智能电网国家科技重大专项(2025ZD0805000);                 关键词:构网型储能;一次调频;SOC              约束
              国网西藏电力有限公司科技项目(52313924000H)。                     DOI:10.11930/j.issn.1004-9649.202512032

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