This paper introduces control of motors by using frequency-transformer, which changes two kinds of speed(faster and slower) into gearless speed regulation.
采用变频器进行电动机控制，将原来只有快、慢两个速度的电动机变成了无级调速；
2
The designing parameters of high frequencytransformer and the protecting IGBT in plasma spraying inverter with high voltage and large current is analyzed in this paper.
分析了等离子喷涂逆变器在高电压大电流条件下，高频变压器参数设计和IGBT保护问题。
3
The Mitsubishi frequencytransformer, Mitsubishi servo, Mitsubishi touch a screen, Siemens PLC, Yingwei prance frequencytransformer price.