700kN冷拔机直流调速扩容改造  

ENLARGEMENT MODIFICATION OF 700kN COLD-DRAWING MACHINE'S DC CONVERTER

作　　者：吴国祥 

机构地区：[1]广州钢铁控股有限公司,广东广州510381

出　　处：《冶金丛刊》2013年第2期33-34,38,共3页Metallurgical Collections

摘　　要：介绍了广州广钢控股公司无缝钢管厂对其700kN冷拔机的直流调速系统进行改造的实践。该改造使用国产可控硅,并科学选择其各种参数,同时对检测单元进行匹配改造,实现了扩容目标。This paper describes the practice of modification of 700kN cold-drawing machine＇ s DC speed controller. Domestic thyristor was used, and the parameters of thyristor were selected in a scientific way. At the same time testing unit was modified correspondingly, and enlargement goal was reached.

关 键 词：冷拔机 调速系统 可控硅参数 扩容 

分 类 号：TG356.52[金属学及工艺—金属压力加工] TN34[电子电信—物理电子学]