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- Energy consumption of variable frequency drive pump are analyzed,and makes sugg estions about its suitable application. 详细分析了变频调速水泵的能耗,对如何合理应用变频调速水泵进行了探讨。
- Products include reduced voltage starting controllers, variable frequency drive controllers, bubbler systems and systems utilizing programmable controllers. 这些产品包括减压启动控制装置,变频驱动控制装置,喷水系统,以及采用可编程序的控制装置系统。
- Analyzing the performance curves of pumps and network in a variable flow pumping system, concluding the influence factors of energy saving and the optimal ranges of variable frequency drive (VFD). 摘要通过分析变频水泵及管网系统在变工况下的特性曲线,得出影响水泵变频节能效果的主要因素和变频调速的适用范围。
- Door machine variable frequency drive 门机变频驱动
- Rotor-side variable frequency drive system 转子变频
- high-voltage variable frequency drive 高压变频器
- variable frequency drive water supply system 变频给水系统
- E.Division 15 Contractor shall furnish all adjustable frequency drive controllers (AFD's, also commonly referred to as VFD's) unless AFD's are located in a motor control center. 承包商应提供所有可调频率驱动控制器(简称AFD,通常也成为VFD),除非这些可调频驱动控制器也安装在电机控制室/中心。
- A variable frequency drive system based on SPWM for fan or pump 风机水泵负载SPWM交流变频调速系统的研究
- Transfer Control Technology of AC Variable Frequency Drive 交流变频调速的切换控制技术
- Common-mode Voltage Analysis for Variable Frequency Drive 变频调速中的共模电压分析
- variable frequency driving (VFD) 变频驱动
- Brillouin enhanced four wave mixing, whose interference beat frequency drives an acoustic field, can improve the SBS phase conjugation fidelity. 采用四波混频加强SBS的方法,其相干拍频驱动声子场,能提高SBS相位共轭保真度。
- A constant, variable, function name, or expression. 一种常数、变量、函数名或表达式。
- The microcontroller then sets the frequency driving AOM to let the shifted optical frequency to jump alternatively to either side of the desired saturated absorption peak. 单片机控制AOM在吸收峰左右跳频得到鉴频信号,经数字PID计算反馈控制激光频率,实现了无调制稳频。
- The prices are variable, shop around by all means. 价格高低不一,所以一定要货比三家逐店选购。
- The temperature was a variable in the experiment. 在该实验中温度是个变量。
- Rotor-Side Variable Frequency Drive System Based on Current-Type PWM Converter 基于电流型PWM整流技术的转子变频调速系统
- A finite increment in a variable. 变量增量变量的有限增量
- high power repetition frequency drive source 高功率重复频率脉冲驱动源