大型空压机变频启动过载问题分析与处理  

Analysis and treatment of over-load at frequency-conversion start of large-sized air compressor

作　　者：孙伟亮[1] 赵英杰[1] 

机构地区：[1]河北钢铁集团邯郸钢铁有限公司气体厂,河北省邯郸市复兴路232号056015

出　　处：《深冷技术》2011年第4期27-30,共4页

摘　　要：介绍负载换相式电流源型变频器(LCI)的主要特点及其过载能力,分析实际应用中常见的3种过载现象,阐述LCI防止过载时电流上升的技术方案。Here, main features and the over-load capacity of load phase-transformation current source type frequency-converser are briefed, three types of over-load usually occurring in actual application are analyzed, and technical scheme to prevent raise of current at over-load of the frequency-converser over-load described.

关 键 词：变频软启动器 启动 负载换相 过载 

分 类 号：TH452[机械工程—机械制造及自动化]