一次风机变频调速时实现RB功能的方案  

Runback Technology of Primary Fan Using Variable Frequency Drives

作　　者：孙辉[1] 梅东升[1] 李国胜[1] 

机构地区：[1]华北电力科学研究院有限责任公司,北京100045

出　　处：《华北电力技术》2005年第7期26-30,共5页North China Electric Power

摘　　要：针对火电机组一次风机节能损耗,变频调速运行中出现的问题,对一次风机变频调速RB功能实现的难点进行了分析和必要的完善。指出改造和整治一次风机及其系统设备和完善自动控制逻辑是实现RB功能的重要措施。At present,transduced primary fan was used widely in fossil-fuel power plant for energy saving.Difficulty of runback function'srealization was analysed and solution was put forward in this paper.And through some successful runback experiments in many coal burning power plant,this article brought forward controlling logic's optimization way of distributed control system (DCS)and important alteration measures for primary fan and its system.

关 键 词：锅炉 一次风机 变频器 RUNBACK 

分 类 号：TK32[动力工程及工程热物理—热能工程]