惠州天然气发电厂汽机惰走时间异常缩短原因分析及处理  

Analysis and Treatment of Abnormal Shortening of Idling Time of Turbine#5 in Huizhou Natural Gas Power Plant

作　　者：张小军 ZHANG Xiaojun

机构地区：[1]广东惠州天然气发电有限公司,广东惠州516000

出　　处：《电力系统装备》2023年第6期131-133,共3页Electric Power System Equipment

摘　　要：惠州天然气电厂#5机组汽机在一次停机过程中惰走时间异常偏短。文章结合汽机转子惰走曲线特性,详细分析了此次事件原因,并给出了应对措施,可为解决类似问题提供借鉴。The coasting time of Unit 5 turbine in Huizhou Natural Gas Power Plant was abnormally short during a shutdown.This article analyzes the cause of this event in detail based on the coasting curve characteristics of the turbine rotor,and provides corresponding measures,which can provide reference for solving similar problems.

关 键 词：惰走时间 轴封压力 真空低 机械阻力 鼓风摩擦 

分 类 号：TM621[电气工程—电力系统及自动化]