350 MW超临界NCB热电机组与常规抽凝机组性能对比  

Performance Comparison of 350 MW Supercritical NCB Thermoelectric Unit and Conventional Extraction Condensing Unit

作　　者：于长友[1] 刘启军[2] YU Chang-you;LIU Qi-jun(Electric Power Planning&Engineering Institute,Beijing 100120,China;Northeast Electric Power Design Institute,Changchun 130021,China)

机构地区：[1]电力规划设计总院,北京100120 [2]中国电力顾问集团公司东北电力设计院,吉林长春130021

出　　处：《电力勘测设计》2019年第1期27-32,共6页Electric Power Survey & Design

摘　　要：目前350 MW超临界热电机组是我国北方地区采暖的主力机组,350 MW超临界抽凝热电机组是常规形式,NCB(凝汽、抽气、背压)型超临界热电机组是新机型。文章分别介绍两种机型的特点、运行调节方式、供热能力等,并重点比较两种机型对应不同采暖供热面积时的采暖期经济性指标。结果表明,NCB型热电机组具有供热能力大、采暖期运行经济性指标优的特点。在供热量相同、NCB型机组背压运行时的发电量比常规抽凝机组发电量平均减少约33.11%,非常适合目前北方地区冬季运行时"富电缺热"的热电负荷特性。At present,350 MW supercritical thermal power plant is the main unit of heating in northern China,and 350 MW supercritical extraction thermal power plant is a regular form,and NCB supercritical thermal power unit is a new type.This paper introduces the characteristics of two kinds of aircraft,the operation regulation mode and the heating capacity respectively,and emphatically compares the heating period economic indexes of the two models corresponding to different heating heating areas.The results show that the NCB type thermoelectric unit has the characteristics of high heating capacity and excellent economic indexes during the heating period.In the same heating capacity,the generating capacity of the NCB unit is about 33.11%less than that of the conventional condensing unit,which is very suitable for the thermal load characteristics of the northern region at present.

关 键 词：超临界 NCB 抽凝机组 热电联产 

分 类 号：TM621[电气工程—电力系统及自动化]