variable voltage variable frequency的意思|示意
变压变频，变频调速
variable voltage variable frequency的网络常见释义
变压变频 VVVF是Variable Voltage Variable Frequency(变压变频)的缩写，由变压回路和变频回路构成。 用于送风机转数控制、风扇转数控制、传送带速度控制、旋转给料机转数控制等控制操作。
变压变频调速 电压与频率配合调整是变压变频调速(Variable Voltage Variable Frequency)的基本原理,令电压与频率以函数关系共同变化是最容易想到的思路。
variable voltage variable frequency相关短语
1、 VVVF Variable Voltage Variable Frequency 变压变频 ; 空冷风扇等
2、 Variable Voltage and Variable Frequency 改变电压 ; 变频技术
3、 Variable Voltage Variable Frequency VVVF 交直交变频VVVF
variable voltage variable frequency相关例句
The frequency inverters has a function of variable voltage and variable frequency.
频率逆变器具有变压、变频功能。
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。
The variable voltage variable frequency(VVVF) control of 3-phase induction motor for driving trolleybuses is expounded.
介绍无轨电车采用变压变频控制的三相感应电动机驱动技术。
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。
Abstract: This paper introduces a voltage-variable and frequency-variable high voltage power supply using IPM. The operation principle is discussed in detail.
摘要：介绍了一种采用智能功率模块的调压调频高压电源，详述了其工作原理。
By adjustment to control signal, systems might realize variable voltage, variable frequency, steady voltage, steady frequency closed loop control.
通过对控制信号的调整，系统可实现变压、变频、稳压、稳频的闭环控制。