水轮发电机组惯性比率对调节系统稳定性的影响  

Effect of Unit Inertia Ratio on the Stability of Hydraulic Turbine Governing System

作　　者：李湧博 汤荣才 王宾[3] 鞠小明[1,2] LI Yong-bo;TANG Rong-cai;WANG Bin;JU Xiao-ming(College of Water Resources and Hydropower,Sichuan University,Chengdu 610065,China;State Key Laboratory of Hydraulics and Mountain River Engineering,Sichuan University,Chengdu 610065,China;Sichuan Water Conservancy Vocational College,Chongzhou 611230,China)

机构地区：[1]四川大学水利水电学院,四川成都610065 [2]四川大学水力学与山区河流开发保护国家重点实验室,四川成都610065 [3]四川水利职业技术学院,四川崇州611230

出　　处：《水电能源科学》2021年第10期181-185,共5页Water Resources and Power

摘　　要：水轮发电机组惯性比率R1作为衡量水电站引水系统和机组要求的综合指标,其值对水电站的设计和运行有重要影响,不同类型的水轮发电机组,其惯性比率的范围往往也有较大差别。为了研究常规水电站合理的机组惯性比率范围,对部分已运行电站的机组惯性比率进行统计分析,选取几种型号的水轮机,研究了不同类型机组的惯性比率对水轮机调节系统稳定性的影响。结果表明,水轮机调节系统的稳定性和调节动态品质不仅与调速器参数选取有关,机组惯性比率也起着决定性作用,建议设计常规水电站的机组惯性比率最好不超过0.65。这为水电站设计和机组运行提供了借鉴和参考。As a comprehensive index to measure the requirements of water diversion system and units of hydropower station,the inertia ratio R1 of hydroelectric generating set has an important impact on the design and operation of hydropower stations.The range of inertia ratio of different types of hydroelectric generating sets is often quite different.In order to study the reasonable range of unit inertia ratio of conventional hydropower stations,the inertia ratios of some operating hydropower stations were statistical analysis-and several types of turbines were selected to study the impact of inertia ratio of different types of units on the stability of hydraulic turbine governing system.The research indicate that the stability and dynamic quality of the hydraulic turbine governing system were not only related to the selection of governor parameters,but the unit inertia ratio also played a decisive role.It was recommended that the unit inertia ratio should not exceed 0.65 for designing conventional hydropower stations,which provides reference for the design and operation of hydropower stations.

关 键 词：水轮发电机组 机组惯性比率 水轮机调节系统 稳定性 水轮机型号 

分 类 号：TV734.1[水利工程—水利水电工程]