汽轮发电机PQ曲线图的绘制方法研究及应用  

Research and Application of Drawing Method of the PQ Curve of Turbine Generators

作　　者：肖鸿坤 王建涛 姜永波 宋振华 张法朝 XIAO Hongkun;WANG Jiantao;JIANG Yongbo;SONG Zhenhua;ZHANG Fachao(China Nuclear Power Operations Co.Ltd.,518124;Mianchi Power Supply Company of State Grid,472400)

机构地区：[1]中广核核电运营有限公司,518124 [2]国网渑池县供电公司,472400

出　　处：《电机技术》2023年第6期31-35,共5页Electrical Machinery Technology

摘　　要：汽轮发电机PQ曲线图在发电机运行中具有重要作用。从原理上理解其绘制方法,有助于发电机运行和检修人员更好地使用它,从而提高发电机的运行水平。文章介绍了汽轮发电机PQ曲线图的绘制原理,首次将曲线的绘制方法集中在一张图上,方便发电机运维人员理解和运用,并从绘制原理的角度出发,介绍了PQ曲线图的常规应用及特殊应用。以某电厂主发电机为例,实际演示了PQ曲线图的绘制过程及主要特点。The PQ curve of turbine generators plays an important role in the operation of generator.Understanding the drawing method in aspect of the principle is helpful for the operator and maintenance personnel to use it bet-ter,so as to improve the operation level of generator.The drawing principle of the PQ curve of the turbine generator is introduced in the paper,and for thefirst time,the curve is concentrated on one same map by this drawing method,which is convenient for the understanding and application by the generator operator and maintenance personnel.From the perspective of the drawing principle,the conventional application and special application of the PQ curve are in-troduced respectively.Taking the main generator of a power plant as an example,the drawing process and main charac-teristics of the PQ curve are demonstrated practically.

关 键 词：汽轮发电机 PQ曲线图 端部铁心发热 

分 类 号：TM302[电气工程—电机]