斩波串级调速系统主电路的分析  

Analysis of main circuit in chop-wave cascade speed-regulation system

作　　者：谢军[1] 孙忠献[1] 温晓玲[1] 

机构地区：[1]安徽职业技术学院电气工程系,安徽合肥230051

出　　处：《机电工程》2007年第9期81-82,共2页Journal of Mechanical & Electrical Engineering

摘　　要：通过从如何减小逆变器的装置容量入手,根据矿井提升机的工艺特点,给出了斩波串级调速系统逆变变压器容量的设计方法。分析了斩波串级调速系统的主电路,研究了基于斩波串级调速系统的逆变器容量。与普通串级调速系统相比,斩波串级调速系统逆变器的容量大为减小;大大改善了电机拖动系统的功率因数。　From the angel of minimizing the inverse transformer capacity,a method to design inverse transformer capacity based on the technical features of mine-well hoist was given.Main circuit in chop-wave cascade speed-regulation system was analyzed.Inverter capacity based on chop-wave cascade speed-regulation system was studied.Compared with cascade speed-regulation system,inverter capacity of chop-wave cascade speed-regulation system was decreased,and power factor was increased greatly.

关 键 词：逆变变压器 斩波串调 矿井提升机 

分 类 号：TM921.53[电气工程—电力电子与电力传动]