Along with the technology of the frequency conversion velocity modulation rapid development, it is used that the frequency changer (Variable Voltage and Variable Frequency, VVVF) actuates the motor in practice.
随着变频调速技术的迅速发展，实践中，通常使用通用变压变频(VVVF)变频器来驱动交流电动机，实现电动机调速。
参考来源 - 轧染机多单元同步控制系统的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Variable voltage and variable frequency system based on vector control is applied widely in high speed train.
基于矢量控制的变压变频调速在高速列车中得到广泛应用。
This article describes the operation principle and circuit scheme of a sort of three-phase combined variable voltage and variable frequency power supply.
提出了一种组合式三相变压变频电源的工作原理和电路结构。
A kind of medium voltage AC variable frequency control system, which consists of voltage source inverter, sinuous filter and stepup transformer with variable frequency, is introduced.
介绍一种采用低压电压型变频器、正弦波滤波器和变频升压变压器构成的低-高式中压变频控制系统。
应用推荐