水电站调节保证过程仿真分析研究  

Simulation analysis and research on hydraulic transient guarantee process of hydropower station

作　　者：罗广权 季锐 何玲艳 谢东津 蒋昭 李静 LUO Guang-quan;JI Rui;HE Ling-yan;XIE Dong-jin;JIANG Zhao;LI Jing(Guangxi Vocational College of Water Resources and Electric Power,Nanning 530023,China;Guangxi Minzu Normal University,Chongzuo 532200,China;Zhejiang Fuchunjiang Hydropower Equipment CO.,LTD.,Hangzhou 311504,China;China Energy Engineering Group Guangxi Electric Power Design Institute CO.,LTD.,Nanning 530007,China)

机构地区：[1]广西水利电力职业技术学院,南宁530023 [2]广西民族师范学院,广西崇左532200 [3]浙江富春江水电设备股份有限公司,杭州311504 [4]中国能源建设集团广西电力设计研究院有限公司,南宁530007

出　　处：《广西水利水电》2024年第6期17-24,共8页Guangxi Water Resources & Hydropower Engineering

基　　金：广西科技计划项目(桂科AD23026010);广西高校中青年教师科研基础能力提升项目(2023KY1129);2023年广西水利科技推广及“工程带科研”项目-“小型水轮机优化设计再制造的研究与实践”(水办科[2023]5号)(项目编号3K-2023-39);广西高校中青年教师科研基础能力提升项目(2021KY1106)。

摘　　要：以老挝南塔河1号水电站设计为例,结合电站基本参数,建立了水电站调节保证过程仿真计算模型对水电站调节保证过程开展研究,保证电站机组的安全。对多种不同运行工况的大波动进行了数值计算,利用MATLAB对完整的枢纽一管三机无调压井引水方案布置模型进行仿真分析,找到最不利工况点,并制定出满足规范规程要求的导叶关闭规律及压力上升规律,解决了本电站因地质条件特殊而未设调压井的水轮机过渡过程的调节保证设计。结果显示:水电站调节保证过程仿真计算数据与真机试验数据的一致性较好。Taking the design of Nam Ngum 1 Hydropower Station in Laos as an example,a simulation calculation model of hydraulic transient guarantee process was established combined with the basic parameters of this power station,so as to study the hydraulic transient process and ensure the safety of turbine generator units.Numerical calculations for large oscillations under multiple different operating conditions were conducted.The layout model of this power station is composed of three units connected with one water conveyance pipe without surge shaft due to special geological conditions.Simulation analysis of this model was conducted by use of MATLAB tool.The most unfavorable operation condition was identified.The guide vane closing law and pressure rise law that meet the specifications were formulated.The consistency between simulation calculation data of hydraulic transient regulation guarantee process and real machine test data is good.

关 键 词：仿真计算 调节保证过渡过程 导叶关闭规律 大波动 南塔河1号水电站 

分 类 号：TK730[交通运输工程—轮机工程]