1000MW火电厂循环水泵变极调速改造研究与应用  

Research and Application of Pole-changing Speed Control Improvement of Circulating Water Pumps in 1000 MW Thermal Power Plants

作　　者：童俊[1] 吕子杰 Tong Jun;Lyu Zijie(CHN Energy Xuzhou Power Generation Co.,Ltd.,Xuzhou,Jiangsu,221166)

机构地区：[1]国能徐州发电有限公司,江苏徐州221166

出　　处：《能源科技》2021年第4期60-63,77,共5页Energy Science and Technology

摘　　要：为降低厂用电率,提升发电机组的运行效率,大型火力发电厂采取科学合理的节能方式,对大型电动机进行变极调速改造,能够使电动机在其运转过程中减少能源的消耗,进而取得了较好的节能效果和经济效益。本文对循环冷却水泵进行变极调速改造的实现方式和改造后的性能进行了阐述,对大型火电厂进行相关的改造具有一定的借鉴意义。In order to reduce the auxiliary power rate and improve the operating efficiency of generator sets,in large thermal power plants,scientific and reasonable energy-saving methods are adopted for pole-chang⁃ing speed control improvement of large motors,which can reduce energy consumption during the operation of the motors to gain better energy-saving effects and economic benefits.This article describes the realization method and performance of pole-changing speed control improvement of circulating cooling water pumps,pro⁃viding a reference for similar improvement of large thermal power plants.

关 键 词：循环水泵 变极调速 节能 

分 类 号：TM621[电气工程—电力系统及自动化]