自动切换装置

分析了自动切换装置PC级的技术要求和性能，以及在贯彻执行标准中的一些问题。

ⅰ: Automatic Transferring Switch , then it analyses the technical requirements and performances of PC Grade automatic transferring switch and submits some questions on implementation of the standard .

电压自动切换装置在电能计量装置改造中的应用

Application of Voltage Automatic Switching Device in Energy Metering Device Retrofitting

矿用监测设备双电源自动切换装置的研制连结装置，换结装置

Prepare of Monitor Equipment Double-power Supply Automatic Changing-over in Mine

锅炉风机变频调速自动切换装置的研究及应用

Automatic changeover system for variable speed control of boiler fans

可控硅星-角自动切换装置

Automatic Switchover Device of Star-delta of Silicon Controlled Rectifier

汽油/LPG双燃料轿车双点火提前角自动切换装置

Ignition Timing Automatic Switching Device for Gasoline / LPG Dual - fuel Car

双电源自动切换装置的应用

Application of Double Power Resources Automatic Transforming Switch Equipment

矿用局部通风机自动切换装置的研制

Development of Auto - shifting Device of Auxiliary Fan

在计量二次回路中加装计量电压自动切换装置可解决上述问题。

Adding energy metering device in metering secondary circuit can solve the above-mentioned problems .

厂用电源自动切换装置已经在发电厂普遍使用。

Automatic switching devices for auxiliary power supply have been widely used in power plants .

对旋式风机自动切换装置的改进设计

Improving on Automatic Device for Rotary Fan

煤矿安全监测监控系统双回路供电自动切换装置的研究

Study on Automatic Switching Device of Dual-loop Power Supply for Mine Safety Monitoring and Control System

双局扇双电源自动切换装置在煤矿安全生产中的应用

The Application of Automatic Switching Unit with Two-local-fan and Two-supply in the Safe Production of Coal Mine

异步电动机拖动的风机机组、水泵机组变转速运转特性及其换算锅炉风机变频调速自动切换装置的研究及应用

Determination and Calculation of Characteristics of Fans and Pumps Driven by Asynchronous Motors AUTOMATIC CHANGEOVER SYSTEM FOR VARIABLE SPEED CONTROL OF BOILER FANS

液压挖掘机工作装置运动与动力综合优化研究矿用监测设备双电源自动切换装置的研制

Study on Colligate Optimal Kinematics and Dynamics Design of Hydraulic Excavator s Parametric Modeling ; Prepare of Monitor Equipment Double-power Supply Automatic Changing-over in Mine

本文详细介绍了一种具有防止乒乓效应的智能化呼吸机供气自动切换装置的性能特点、硬件电路工作原理及具体实施方法。

Describes the features , working principle and detailed methods of an anti-ping pong effect , intelligent and automatic switching device for compress air in respirators .

从电压自动切换装置的工作原理进行分析，提出应用电压自动切换装置改造电能计量装置计量二次回路的方案，以及改造工作中需要注意的几个问题。

This paper analyzes the principle of energy metering device , put forward relative retrofitting scheme , and the problem to be paid attention in the retrofitting .

该装置为超流量自动切换装置，靠流量信号转化为压差信号后推动主阀芯动作以切断流道。

The device automatically switching when the hydraulic system has transient large flow , it works to drive off the main flow valve action by flow signals into pressure difference signals .

本文提出了对电站锅炉风机变频调速运行时自动切换装置的技术要求，以及采用转速给定信号经函数变换器自动控制风机调节门开度的方法。

Outlined in this paper are the technical conditions of an automatic changeover system for variable speed control of utility boiler fans and the way to automatically control the fan inlet vanes through a function transformer by using speed settings as well .

为了提高稳定性和满足油/水界面电化学研究的需要，电路中采取了多种保护措施和自动切换装置，当三角波电压的绝对值幅度大于2.5伏时，保护线路自动封锁，不予显示；

Protective and automatic cut-off circuits were designed to improve the stability and to display the ramp voltage amplitude . When the absolute value of the ramp voltage is greater than 2.5V , the cut-off circuits performs automatically , Then the ramp voltage will not be displayed .

介绍了双局扇双电源自动切换装置在煤矿安全生产中的具体应用，阐述了实现局扇连续运转的根本途径，从而可以保证采掘工作面的安全生产。

This paper introduces the concrete application of the automatic switching unit of with two-local-fan and two-supply in the safe production of coal mine , expounds the ultimate paths for implementing the continuous operation of the local fan for guaranteeing the safe production of the working faces .

采用开环系统和手动、自动模式切换装置，可以经济、有效、大量地加工带有窄缝的割缝筛管。

The slotted pipe with narrow slots can be mass worked economically and efficiently by means of open loop system and hand automatic model shifter .

方法：应用自制自动磁力定时切换装置。

METHODS : A self-made automated column-switching control system was used .

三相异步电动机轻重负载Y-△自动切换研究锅炉风机变频调速自动切换装置的研究及应用

Research of Motor 's Y - △ Automatic Changeover Between Light and Heavy Load AUTOMATIC CHANGEOVER SYSTEM FOR VARIABLE SPEED CONTROL OF BOILER FANS