大型水电厂主配压阀培训资料
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FC阀
FC主ቤተ መጻሕፍቲ ባይዱ阀的运行原理
Company Proprietary This document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.
FC阀
FC阀系列及其应用 FC阀的运行原理 FC阀的基本元件及使用 FC阀的检修和维护
Company Proprietary This document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.
FC阀
适用机型
混流式 转桨式 冲击式 抽水蓄能
Company Proprietary This document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.
Actual Speed
Time
Desired Speed Setpoint
FC阀
两级液压放大(带反馈)
调速器信号
开启速度调节
内部反馈 关闭速度调节
开启 进油 关闭
回油
Company Proprietary This document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.
FC阀
机械液压部
FC主配阀系列
FC阀
FC 5000
FC 1250
FC1250: 1900 l/min FC5000: 7600 l/min FC20000: 23700 l/min
Company Proprietary This document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.
Time
FC阀
FC主配阀剖视图
控制油
恒压油
控制端活塞
关闭调节 回油
Company Proprietary This document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.
FC阀
两级液压放大(带反馈)
加入反馈杠杆,将配压阀阀芯位置反馈至先 导阀阀芯
无论配压阀阀芯位置朝哪个方向移动,通过 反馈杠杆, 先导阀都将控制配压阀阀芯移至 中位.
反馈可以通过改变杠杆支点来进行调整.
Company Proprietary This document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.
FC阀
水轮机速度/负荷控制
开启
开
关
Company Proprietary This document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.
共计十七个水电站,一百多套FC阀。
Company Proprietary This document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.
fc阀fc三峡右岸电站12700mw12台fc20000重庆彭水电站5350mw5台fc20000广西桥巩857mw8台fc20000导叶8台fc5000桨叶云南景洪水电站5350mw6台fc20000广西长洲水电站1542mw7台fc5000导叶7台fc5000桨叶江苏宜兴抽水蓄能电站4300mw4台fc1250四川宝兴水电站365mw3台fc5000云南小湾水电站6700mw6台fc20000四川瀑布沟水电站6650mw6台fc20000companyproprietarydocumentcontainsproprietaryinformationgecompanyothersexceptwrittenpermissiongecompany
FC20000
FC阀
FC主配阀系列
FC1250: 阀芯直径 2英寸(50mm) FC5000: 阀芯直径 4英寸(100mm) FC20000:阀芯直径 10英寸(250mm)
压力等级:1.6, 2.5, 4.0, 6.3 MPa
Company Proprietary This document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.
FC阀
两级液压放大
Prime Mover Acceleration Load Added
Pilot Valve Recentered
SPEED
Pilot Valve Recentered
Prime Mover Deceleration
Company Proprietary This document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.
FC阀
FC阀
FC阀在国外的应用
Bath County(6 * 445MW) 美国
Helms(4*358MW)
美国
Bad Creek(4*360MW)
美国
Ludington(6*340MW)
美国
Raccoon Mountain(6*390MW)美国
Carters(4*165MW)
FC阀
两级液压放大(带反馈)
Load Added
Speed Reference
SPEED
Actual Speed
Load Removed
Company Proprietary This document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.
关闭 压力油 开启
开启调节
回油 LVDT
(位移传感器)
FC阀
主配阀动作原理
控制阀芯位置的两活塞作用面积不同; 恒压油作用在小活塞上, 控制油作用在大活
塞上, 放入压力油或接通回油, 从而控制阀芯 位置; 阀芯位置通过位移传感器(LVDT)转换成电 信号反馈。
Company Proprietary This document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.
FC阀在中国的应用
湖南三板溪电站(4*250MW) 吉林白山水电站(2*150MW) 青海公伯峡水电站(5*300MW) 四川桐子豪水电站(3*36MW) 湖南凌津滩水电站(9*30MW,灌流) 广西百龙滩水电站(6*30MW,灌流) 湖北清江水布垭水电站(4*300MW) 四川跷蹊水电站(3*80MW) 河南回龙抽水蓄能电站(2*60MW)
阀套 关闭
阀芯
开启速度调节
FC阀
两级液压放大
先导阀(一级)
配压阀(一级) 关闭速度调节
开启 进油 关闭
回油
Company Proprietary This document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.
FC阀
两级液压放大
调速器控制先导阀阀芯上下移动 先导阀向上移动时,压力油进入到绿色区域.
示例中, 配压阀阀芯将向左移动至极限位置 水轮机转速或负荷增加, 调速器此时控制先
导阀阀芯向下移动. 转速或负荷将产生震荡.
Company Proprietary This document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.
美国
USCAE-Truman(7*300MW)美国
Company Proprietary This document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.
12台 FC20000 5台FC20000 8台FC20000(导叶) 8台FC5000(桨叶) 6台FC20000 7台FC5000(导叶) 7台FC5000(桨叶) 4台FC1250 3台FC5000 6台FC20000 6台FC20000
Company Proprietary This document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.
FC阀
FC阀在中国的应用
三峡右岸电站(12*700MW) 重庆彭水电站(5*350MW) 广西桥巩(8*57MW)
云南景洪水电站(5*350MW) 广西长洲水电站(15*42MW)
江苏宜兴抽水蓄能电站(4*300MW) 四川宝兴水电站(3*65MW) 云南小湾水电站(6*700MW) 四川瀑布沟水电站(6*650MW)
FC阀
基本动作原理
开启
油口
压力油 开启 关闭
Company Proprietary This document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.