600 MW超临界机组汽轮机DEH控制优化分析  

DEH Control Optimization Analysis of 600 MW Supercritical Unit Steam Turbine

作　　者：吕兴城 LV Xingcheng

机构地区：[1]广东红海湾发电有限公司,广东汕尾516600

出　　处：《电力系统装备》2023年第4期56-58,共3页Electric Power System Equipment

摘　　要：为提高600 MW超临界机组汽轮机高中压主汽门、调门的可靠性和机组自动化程度,红海湾电厂根据1号机组目前的实际情况,优化汽轮机DEH控制系统中阀门活动试验部分的逻辑,主要进行了汽轮机阀门活动试验条件、报警、负荷范围和增加部分行程活动功能等方面的优化工作,并通过逻辑仿真、冷态试验和热态试验验证,各项技术性能指标达到既定要求,从而提高阀门活动试验的效果,并提高主设备汽轮机的可靠性.In order to improve the reliability of the main valve of 600 MW supercritical unit turbine,valve and unit automation,according to the logic of the logic of the steam turbine DEH control system,the steam turbine valve activity test conditions,alarm,load range and increase part of the travel function,and through logic simulation,cold test and thermal test,the technical performance indicators to meet the established requirements,to improve the effect of valve activity test and improve the reliability of the main equipment steam turbine.

关 键 词：DEH 控制优化 阀门活动试验 可靠性 

分 类 号：TM76[电气工程—电力系统及自动化]