M701F4型机组启机过程高压旁路阀维持45%开度的原因分析及改进探讨  

Cause Analysis and Improvement of M701F4 High Pressure Bypass Valve Maintaining 45% Opening During Start-up Process

作　　者：车国营 CHE Guo-ying(CNOOC Zhuhai Natural Gas Power Generation Co.,Ltd.,Zhuhai 519050,China)

机构地区：[1]中海油珠海天然气发电有限公司,珠海519050

出　　处：《应用能源技术》2022年第9期1-4,共4页Applied Energy Technology

摘　　要：针对M701F4型燃气-蒸汽联合循环机组的汽轮机在启机过程中存在高压旁路阀维持45%开度而不能正常关闭的问题,通过分析高压旁路控制逻辑和运行特性,提出了三项解决措施,从而保障了机组启动安全。Aiming at the problem that the high-pressure bypass valve of M701F4 gas-steam combined ring unit cannot close normally while maintaining 45% opening during start-up,three solutions are put forward by analyzing the control logic and operation characteristics of the high-pressure bypass,so as to ensure the start-up safety of the unit.

关 键 词：M701F4型机组 高压旁路阀 控制模式 

分 类 号：TM611.31[电气工程—电力系统及自动化]