sinusoidal input

Also AC-AC matrix converters hold good potentialities in AC drive systems owing to its unity power factor, without bulky capacitors, and sinusoidal input currents.

交&交矩阵变换器可以实现输入电流波形的正弦化，输入功率因数可以调节，没有大体积的直流电容环节，在交流传动系统中具有良好的应用前景。

Analysis and Design of Three-phase Rectifier With Near-sinusoidal Input Currents

近正弦输入电流三相整流器的分析和参数设计

Three-Phase Rectifier With Near-Sinusoidal Input Currents and LC Filters Connected on the AC Side

基于交流侧LC滤波的近正弦输入电流三相整流器扼流圈电容式滤波器

In variable-frequency drives of AC motor, it needs to control the relevant variables to ensure three-phase equilibrium of the sinusoidal input current in order to keep the electromagnetic torque of AC motor constant.

异步电机的变频调速，需要控制相关变量，保证异步电机输入三相平衡的正弦电流，这样才会合成恒定的电磁转矩。