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针对矿井提升机调速性能不理想和对电网谐波污染大等问题进行研究,利用仿真技术搭建3种不同变频器的模型并对变频器相电流的波形和频谱进行比较,提出矩阵式交-交变频器将成为矿井提升机的理想调速单元。
In order to solve the problem that the speed performance of mine hoist is not ideal and the harmonic pollution is large, the simulation technology is used to build the models of three different inverters and compare the waveform and frequency spectrum of inverter phase current. AC drive will be the ideal speed control unit hoist unit.