锅炉储能变化对机组调频能力影响关系建模与仿真研究  

Study on Modeling and Simulation of Frequency Regulation Capacity for Change of Boiler Energy Storage

作　　者：于国强[1] 崔晓波 殳建军[1] 高爱民[1] 张天海 杨小龙 YU Guoqiang;CUI Xiaobo;SHU Jianjun;GAO Aimin;ZHANG Tianhai;YANG Xiaolong(Jiangsu Frontier Electric Technology Co.,Ltd.,Nanjing 211102,China;School of Energy and Power Engineering,Nanjing Institute of Technology,Nanjing 211167,China)

机构地区：[1]江苏方天电力技术有限公司,江苏南京211102 [2]南京工程学院能源与动力工程学院,江苏南京211167

出　　处：《锅炉技术》2022年第1期26-31,共6页Boiler Technology

摘　　要：针对目前缺乏大容量机组综合调频能力动态特性建模研究的现状,结合大容量超超临界机组锅炉动态模型与双过调汽轮机动态模型,建立了一种锅炉储能变化对机组调频能力影响关系模型,采用粒子群算法将现场数据用于模型参数求解,最后通过模型计算值与现场实测值进行对比,验证了模型的计算精度,通过调频能力的仿真曲线对比分析了所建模型的合理性。结果表明:该模型既可准确体现锅炉的"慢"动态又可准确反映汽轮机的"快"动态,锅炉与汽轮机之间的动态耦合特性关系更加贴近现场实际。基于该模型可同时开展机组自动发电控制(AGC)与一次调频研究以及调频能力的分析与计算,为大容量机组开展综合调频研究提供了理论基础。For the current lack of research on dynamic characteristic modeling of comprehensive frequency regulation capacity(FRC) of large capacity units, a comprehensive FRC model for the change of boiler energy storage is established combining the dynamic model of large capacity ultra-supercritical boiler and the dynamic model of double overshoot steam turbine. The field measured data are used to determine the model parameters using particle swarm optimization algorithm. Finally, the calculated values of the model are compared with the field measured values, the calculation accuracy of the model is verified, and the rationality of the model is compared and analyzed through the simulation curves of FRC. Based on the model, the research on AGC, primary frequency modulation of units and the analysis and calculation of FRC can be carried out at the same time, which provides a theoretical basis for the comprehensive frequency regulation research of large capacity units.

关 键 词：超超临界 动态模型 调频能力 粒子群 

分 类 号：TK32[动力工程及工程热物理—热能工程]