纪村水电站机组效率试验与效率在线监测系统建立  

Hydraulic Turbine Unit Efficiency Test and Establishment of Efficiency Online Monitoring System of Jicun Hydropower Station

作　　者：张万福 周二保 杨海星 欧世强 

机构地区：[1]大唐陈村水力发电厂,安徽省宣城市242500

出　　处：《水电自动化与大坝监测》2011年第5期17-20,共4页HYDROPOWER AUTOMATION AND DAM MONITORING

摘　　要：纪村水电站水轮机组是运行超过30a的轴流转桨式机组,为提高机组性能,对2台机组进行绝对效率试验。文中重点介绍了效率试验的方法和成果,求解了轴流转桨式水轮机导叶开度与桨叶转角的最优协联关系,以提高机组运行效益。采用多声路超声波流量计建立了机组效率在线监测系统,以加强机组实时状态监视,充分挖掘旧机组潜力,为指导水电厂经济优化运行提供了可靠的技术资料。Hydraulic turbine units of Jicun hydropower station are axial flow and Kaplan type,which have run more than 30 years.In order to improve the units＇ performance,an absolute efficiency test is completed.Methods and achievements of efficiency test are mainly introduced in the paper.Test for optimal coordinate relations between guide vane opening and paddle angle of Kaplan hydraulic turbine units are found so,that improves units＇ operating efficiency.In the meantime,unit efficiency online monitoring system based on multi-sound gate ultrasonic flow meter is introduced,which strengthens monitoring of unit real-time status,digs the potential power of old unit,and provides reliable technical data for optimize running of hydropower plant.

关 键 词：水轮机组 效率试验 在线监测系统 

分 类 号：TM312[电气工程—电机]