查询词典 frequency changer

They are widely used for high frequency dc-to-ac converter, common modechoke of high frequency circuit changer, zero order mutual-inductor and so on.

这种材料已被广泛的应用于高频开关电源、零序互感器、高频逆变器和变压器等电器设备中。

Elevator about moves the speed and stops the control controls by the frequency changer. Revolves the encoder pulse number through the survey.

其中电梯的上下运行的速度及起停的控制由变频器来控制，通过测量旋转编码器的脉冲数，来确定楼层的位置及平层数据。

Currently, these test rigsadjust their speed mainly relaying on frequency changer set, direct currentdynamo or complete aero-engine.

目前，试验台的动力主要是靠变频机组、直流电机或用整台航空发动机作为动力来实现调速。

In the article introduced in the paper engine drive control system,PLC controls the core, it constitutes the DCS control systemthrough the field bus and the frequency changer, has realizedentire paper engine drive functions and so on in processacceleration, deceleration, tight paper, speed chain.

文中介绍的纸机传动控制系统中，PLC是控制核心，它通过现场总线与变频器构成DCS控制系统，实现了整个纸机传动过程中的加速、减速、紧纸、速度链等功能。

The present paper to ohm dragon PLC, the ABB frequency changer which used has given the detailed explanation, transported to the RS485 network creation technical main point and in the paper engine drive reality has served as the quite detailed elaboration.

本论文对其中所用到的欧姆龙PLC、ABB变频器作了详细的说明，对RS485网络组建的技术要点及其在纸机传动中的实际运用作了比较详细阐述。

Uses the automated control not only on the galvanization production line to be possible to raise the product manufacturing efficiency and to reduce worker's labor intensity, and has the very good economic efficiency and the social efficiency, galvanizes on the production line to be possible to realize the automated control using PLC, PLC has the reliability to be high, the compatibility is broad, has the correspondence function, the structure modulation characteristic, therefore how to use good PLC to become the galvanization production line automation control key, auxiliary to galvanized the automatic production line driving with PLC by the frequency changer to carry on the automatic control, had the structure to be simple, the programming was convenient, the operation was flexible, the use safe, worked stable, the perform reliably and the antijamming ability strong characteristic, was one kind of very effective automatic controlThe way, is galvanizes the production to realize, the low cost, the high grade automated production development direction highly effective.

在电镀生产线上采用自动化控制不但可以提高产品生产效率和减轻工人的劳动强度，而且有着非常好的经济效益和社会效益，电镀生产线上运用PLC则可以实现自动化控制，PLC具有可靠性高，适应性广，具有通信功能，结构模块化的特点，因此如何使用好PLC成了电镀生产线自动化控制的关键，用PLC辅以变频器对电镀自动生产线行车进行自动控制，具有结构简单、编程方便、操作灵活、使用安全、工作稳定、性能可靠和抗干扰能力强的特点，是一种很有效的自动控制方式，是电镀生产实现高效、低成本、高质量自动化生产的发展方向。

The temperature examination used the temperature sensor or thethermo-element and carried on three-points examinations. These three points carried on the comparison and took the lowest point as the datum. Using the frequency changer's PI regulator realized closed loop automatic control.

温度检测采用温度传感器或热电偶，进行3点检测，并对这3个点进行比较，以最低点为基准，利用变频器内置PI调节器实现闭环自动控制。

At present the elevator control generally has selected twomethods, one is uses the microcomputer to take the signal controlunit, completes the elevator signal gathering, the running status andthe function hypothesis, realizes the elevator automatic dispatch andthe collection chooses the movement function, drives the control tocomplete by the frequency changer; The second control modesubstitutes for the microcomputer realization signal collection withthe programmable controller to choose the control.

目前电梯的控制普遍采用了两种方式，一是采用微机作为信号控制单元，完成电梯信号的采集、运行状态和功能的设定，实现电梯的自动调度和集选运行功能，拖动控制则由变频器来完成；第二种控制方式用可编程控制器取代微机实现信号集选控制。

This production line completely uses imported frequency changer,famous brand motor, high quality carbon steel and chromium molybdenum aluminum steel, the movement stability is good and product excellent rate high.

优等率高。该生产线全部采用进口变频器、名牌电机、优质碳钢及铬钼铝钢装配而成，运行稳定性好，产品优等率高，品质好。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。