全高位布置汽轮机机组调节系统参数特性分析  

Analysis of Parameter Characteristics of the Regulating System of Steam Turbine Unit with Full High Level Layout

作　　者：闫晓沛 唐广通 李路江 王志强 张营 YAN Xiaopei;TANG Guangtong;LI Lujiang;WANG Zhiqiang;ZHANG Ying(State Grid Hebei Energy Technology Service Co,Ltd.,Shijiazhuang 050021,China)

机构地区：[1]国网河北能源技术服务有限公司,河北石家庄050021

出　　处：《河北电力技术》2022年第4期79-83,共5页Hebei Electric Power

基　　金：国网河北能源技术服务有限公司科技项目(TSS2021-02)。

摘　　要：机组全高位布置在世界范围属于新型布置形式,以国内某台全高位布置超超临界汽轮机组为研究对象,介绍了全高位布置汽轮机组的特点,建立基于单机无穷大系统的机组及其调速系统电力系统稳定性分析实测模型,提出基于功率响应的容积时间常数辨识方法、基于阀位输入-主蒸汽压力输出的锅炉模型参数辨识方法,分析了全高位布置机组异于常规布置机组的参数特性,为同型机组调频控制策略的优化提供了依据。Full high level layout of turbine generator unit is new arrangement form in the world.This paper introduces the characteristics of a domestic ultra-supercritical steam turbine unit with full high level layout,and establishes a test model for power system stability analysis of the unit and its speed regulation system based on single-machine infinite bus system.Then,the identification method of volume time constant based on power response and the identification method of boiler model parameters based on valve position input-main steam pressure output arc proposed,and the parameter characteristics of full high-level unit arc analyzed,which arc different from those of conventional units,providing a basis for the optimization of frequency modulation control strategy of the same type units.

关 键 词：全高位布置机组 调节系统建模 单机无穷大系统 参数辨识 

分 类 号：TM721.1[电气工程—电力系统及自动化]