煤矿提升机双馈电动机调速技术研究

Research on Speed Control Technology of Double-Fed Motor for Coal Mine Hoist

针对提升机调速中的双馈电动机调速方案,在分析双馈调速基本原理的基础上,对其中的转子磁链定向双馈调速方法的电学原理及双馈电机调速控制系统的组成结构进行了研究。最后,结合提升机速度控制曲线,对不同提升阶段的调速特点进行了分析。

Based on the analysis of the basic principle of double-fed speed regulation,the electrical principle of the rotor flux oriented double-fed speed regulation method and the structure of the double-fed motor speed regulation control system have been studied.Finally,the speed regulation characteristics of different lifting stages have been analyzed in combination with the speed control curve of the hoist.