大功率变频电源在电机试验站系统中的应用

摘要

In motor testing system, high-power inverter has replaced traditional motor-generator set gradually. In such applications, inverter provides following advantages; high precision, easy to operate, multi-functions, etc. At the same time, inverters can feedback electric energy through DC-Bus easily, which can achieve remarkable energy-saving effect.%数字化的变频电源系统具有精度高、操作方便、多用途等优点.电机出厂试验和型式试验系统中,采用IGBT组成的变频电源取代传统的机组设备已是大势所趋.通过多个变频器的并联,可满足大功率电机试验的要求.同时,被试电机和陪试电机分别由不同的变频器驱动,被试和陪试部分通过变频器的直流母线连接,实现电功率的闭环控制,可取得显著的节能效果.