摘要 静止变频起动器（Static Frequency Converter,SFC）是专门用于大型同步电动机的变频起动装置。本文基于燃气轮机组静止变频启动系统,对逆变桥晶闸管的脉冲换相和自然换相这两种换相方式进行了理论分析,并通过PSCAD仿真验证了两种换相方法的理论可行性,最后在动模实验平台上进行了动模实验验证。该换相方法原理简单,操作可行。
Abstract：Static Frequency Converter (SFC) is a kind of variable frequency starting device designed for large synchronous motor. Based on the static frequency converter starting system of gas turbine, this paper theoretically analyzed two commutation modes of the inverter bridge thyristors: the pulse commutation and the natural commutation. PSCAD simulation results verified the theoretical feasibility of the commutation methods. Finally the methods were verified on dynamic simulation experiment platform. Both of the commutation methods have the advantages of simple principle and feasible operation.
2016, Vol. 17 
