章昊,王正风,周星宇,潘学萍,苏乐
ZHANG Hao,WANG Zhengfeng,ZHOU Xingyu,PAN Xueping,SU Le

• 1:国网安徽省电力有限公司
• 2:河海大学能源与电气学院

摘要(Abstract)：

针对现有发电可行域逐点搜索方法存在计算量大、耗时长等问题，提出了发电可行域的解析建模新方法。首先，分析了现有断面安全约束下发电可行域的构建流程，研究了发电可行域的边界特性。其次，基于数学推导，发现发电可行域边界敏感机群出力与系统负荷之间存在的线性关系。接着，根据该线性关系提出了发电可行域边界的解析建模方法。然后，针对平衡机群出力越限的场景，提出发电可行域边界分段线性化建模的方法。最后，以某省级电网为例，计算了不同关键断面安全约束下发电可行域的边界，并与现有逐点搜索方法进行对比，验证了所提方法的有效性。
Given the huge calculation burden and long-time consumption of the existing point-to-point feasible region search method,a new analytical modeling method of feasible regions for power generation is proposed in this paper. Firstly,the construction process of feasible regions for power generation under cross-section safety constraints is introduced,and the boundary characteristics of the feasible regions are analyzed. Secondly,it is deduced mathematically that there is a linear relationship between the output of sensitive generators and the system load at the boundary of the feasible region. An analytical modeling method for the feasible region boundary is proposed based on the linear relationship. Afterwards,when the output power of balanced generators exceeds their limits,a piecewise linear modeling method for the feasible region boundary is introduced. Finally,with a provincial power grid as an example,the feasible region boundary under different cross-section safety constraints is calculated,and the effectiveness of the proposed method is verified through comparison with the existing point-by-point search method.

关键词(KeyWords)： 月度安全校核;关键断面;灵敏度;发电可行域边界;解析建模
monthly security check;key cross-section;sensitivity;feasible region boundary for generation;analytical modeling

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目（52077061）

作者(Author): 章昊,王正风,周星宇,潘学萍,苏乐
ZHANG Hao,WANG Zhengfeng,ZHOU Xingyu,PAN Xueping,SU Le

DOI: 10.19585/j.zjdl.202210007

参考文献(References)：

• [1]龚建荣，高国宁，虞斐.月度发电计划实用编制方法在浙江电网的应用[J].浙江电力，2014,33(10):67-70.
• [2]常俊晓，卢姬，叶仁杰，等.基于概率潮流的主动配电网静态安全校核方法[J].浙江电力，2020,39(7):36-41.
• [3]肖云鹏.电力现货市场环境下结算权转让在阻塞管理中的应用[J].电力系统自动化，2021,45(6):123-132.
• [4]方彤.市场环境下输电网规划模型和算法研究[D].北京：华北电力大学，2006.
• [5] GALIANA F,PHELAN M. Allocation of transmission losses to bilateral contracts in a competitive environment[J].IEEE Transactions on Power Systems,2000,15(1):143-150.
• [6]孙思光，王克球，王宏益，等.考虑N-1静态安全约束的220 kV自愈式环网最大供电能力计算[J].南方电网技术，2015,9(7):76-81.
• [7]林玥廷，向德军，徐晓亮，等.计划安全校核在实时节能发电调度中的应用[J].广东电力，2014,27(9):63-67.
• [8]陈文进，朱峰，张童彦，等.基于AFSA-BP神经网络的光伏功率预测方法[J].浙江电力，2022,41(4):7-13.
• [9]苏宜靖，谷炜，赵依，等.考虑气象因子的区域电网梅雨期负荷预测[J].浙江电力，2019,38(12):1-7
• [10] CIULLA G,D'AMICO A. Building energy performance forecasting:a multiple linear regression approach[J].Applied Energy,2019,253,113500:1-16.
• [11] BRACALE A,CARPINELLI G,DE FALCO P. A probabilistic competitive ensemble method for short-term photovoltaic power forecasting[J].IEEE Transactions on Sustainable Energy,2016,8(2):551.
• [12]张怀宇，胡宏，张粒子，等.复杂市场环境下区域电网安全校核机制架构设计[J].中国电力，2021,54(11):11-18.
• [13] QIU G,LI G,XIAO G,et al. Long and medium-term power market trading security checking method based on multi-scenario new energy prediction[C]//2019 IEEE Innovative Smart Grid Technologies-Asia(ISGT Asia).IEEE,2019:2926-2931.
• [14]李湃，范越，黄越辉，等.基于电源聚合-分解模型的新能源电力系统月度发电计划优化方法[J].电网技术，2020,44(9):3281-3293.
• [15]代江，田年杰，单克，等.基于极端场景分析的中长期交易校核方法[J].电力工程技术，2021,40(1):65-71.
• [16]吴迪，王正风，刘航.全时间维度调度计划安全校核的设计与应用[J].中国电力，2020,53(5):48-55.
• [17]周星宇，潘学萍，王正风，等.断面安全约束下发电可行域实用分析方法[J].中国电力，2020,53(12):183-189.
• [18]赵金利，邱璐璐，黄河，等.多维空间中断面热稳定安全域边界特性[J].电力系统自动化，2014,38(12):39-45.