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- ac and frequency speed control 调频转速控制
- Tri-phase AC induction motor is used as the driving power for roller system.PWM variable frequence speed regulation is applied for motor speed control. 系统的滚筒以三相交流异步电机驱动,采用PWM变频调速方式实现电机的转速控制。
- Main machine is adopted frequency speed control, it runs placidity and credibility. 主机采用变频调速,运行平稳可靠。
- Working position (platen) adopts automatic positioning equipment and frequency converter speed control system, thus it has stable function. 工位(台板)转盘自动定位装置,采用变频调速控制系统,运动平稳。
- Practice shows that frequency speed control of the equipment and the recycle of filtrate can reduce energy consumption and increase technics level in wastewater treatment. 工程运行实例表明:设备的变频调速和滤液的再利用能够降低污水处理的能量消耗,提高工艺运行水平。
- With project instance, instroduces the water system of air-conditioning adopted the variable frequency speed control technology to brine obvious energy efficiency. 结合工程实例,阐明了空调水系统采用水泵变频调速技术可以带来明显的节能效果。
- Keywords papermachine;control;AC variable frequency speed controlling system; 纸机控制;交流变频调速系统;
- This paper discribes several components of variable frequency speed controlling in living district constant-pressure water feed,introduces a constant-pressure water feed system make up of iPF inverter(lays inside IWS constant-pressure control device). 概述了变频调速器在生活区恒压供水中的几种构成方式,介绍了采用iPF变频器(内置IWS恒压供水控制基板)组成的恒压供水控制系统。
- variable frequency speed control 变频调速
- high voltage frequency speed control 高压变频调速
- B:These are for one hundred volts,AC and DC. 这些适用一百伏特的电压,交流电和直流电都可以。
- These are for one hundred volts,AC and DC. 这些适用一百伏特的电压,交流电和直流电都可以。
- Variable Frequency Speed Control of Hoist 提升机变频调速
- Variable frequency speed control device 变频调速装置
- variable frequency speed control system 变频调速系统
- variable frequency speed control technique 变频调速技术
- In Figure 1, ABCD is a rhombus. The diagonals AC and BD cut at E. 图1中,ABCD为一菱形。对角线AC与对角线BD相交于E。
- Superior mechanical and frequency characteristics. 机械强度高、高频特性优越。
- The converter units generate harmonics which flow in the AC and DC lines. 换流器单元产生的谐波会流过交流和直流线路。
- Slip of Induction Motor with Frequency Speed Control 变频调速异步电动机的转差率