利用变频技术解决300MW机组工业水系统问题  

Use Variable-frequency Technology to Solve Industry Water System Problem of 300MW Unit

作　　者：李建河[1] 黄莉莉[2] 

机构地区：[1]华北电力大学能源动力与机械工程学院,河北保定071003 [2]淮北发电厂,安徽淮北235000

出　　处：《电力科学与工程》2011年第5期74-77,共4页Electric Power Science and Engineering

摘　　要：某电厂由于工业水系统设计与设备选型不当,导致运行中存在如下问题:电机过电流;经济性差等。经过对几种常见的改造方案进行分析,进行变频改造可较好解决存在的问题,安全经济效益显著。为存在同类问题的机组提供了解决思路。A certain power plant because industry water system design and equipment selection is incorrect,cause operating problem as follows： motor overcurrent,poor economics etc.Through analysing some common reformation plan,variable-frequency retrofit can better solve the problem,and have the obvious safety and economy performance.It provides a resolution method to the unit have the same problem.

关 键 词：工业水 变频 过电流 经济性 

分 类 号：TM921.51[电气工程—电力电子与电力传动]