摘要
简述直流母线SPDMR的主回路和控制回路工作原理。详细分析了晶闸管全控桥如何保证网侧功率因数的方法,以及控制部分采用带电压前馈和电流前馈的双闭环系统提高系统动态响应的原理。共用直流母线SPDMR控制系统在现场实际运行中显示了良好的工作效率,取得了让人满意的效果。
Main circuit and control circuit of common DC bus SPDMR were introduced. The method of thyristor rectifier how to improve power factor was analyzed, and also analyzed control principle using voltage for- ward feedback and current forward feedback how to improve response. Common DC bus SPDMR has very good work efficiency during application, and the performance is satisfied.
出处
《电气传动》
北大核心
2009年第1期71-73,共3页
Electric Drive
关键词
功率因数
电压前馈
电流前馈
power factor
voltage forward feedback
current forward feedback
