电气装置

对B类电气装置接地问题的商榷

Some comments on rules of Earthing arrangements of electrical installation class B

照明电器与电气装置等多个系列上千个品种，产品通过CCC安全认证。

Lighting and electrical installation and many other series of thousands of varieties , the product safety certification through the CCC .

对《交流电气装置的接地》规范（DL/T621-1997）中B类电气装置的某些规定提出了意见。

This paper presents some comments on rules B in electrical code Grounding for AC Electrical Installation ( DL / T621 1997 ) .

提出应注意在一电气装置中中性线只能在一点接地以避免产生过大的PE线电流。

The paper points out that N conductor of one equipment must only be grounded at single point to prevent from engendering excessive current .

论建筑物电气装置中电源SPD的检测内容和方法

On the SPD testing content and testing method of the electric device in building

阐述了在建筑物电气装置内PEN线一点接地防杂散电流危害的问题，并分析了它与TN系统内正常电源和发电机电源间转换开关极数确定的关系。

The paper presents single point grounding of PEN conductor can prevent stray current inside building electrical equipments . Based on it , the author also analyses pole number 's determination of power transfer switch between generator and normal power supply in TN system .

而在新的电力规程《交流电气装置的接地》（DL／T621-1997）中，对接地电阻提出了更高的要求；

However , in the newly published standard " Grounding for AC electrical installations " ( DL / T621-1997 ), higher demands for grounding resistance are put forward .

它反映了浙江省部分地区的雷电活动规律，其计算公式已被电力行业标准DL／T620－1997《交流电气装置的过电压保护和绝缘配合》采用。

It reflects the rule of lightning activities in some areas in Zhejiang Province . The calculation formula has been employed and put into the power industry standards DL / T620-1997 , the " Over Voltage Protection and insulation Coordination of AC Electrical Apparatus " .

对雷击电磁脉冲（LEMP）传导的各种途径、建筑物电气装置和信息系统防LEMP的原理及其措施作了全面的叙述。

A variety of conduction ways of lightning electromagnetic pulse ( LEMP ) were analyzed . In combination with IEC standard , the principle and measures to prevent from lightning electromagnetic pulse in the electrical equipments and information system were discussed .

设计、安装并调试酶膜耦合连续反应器测控系统的电气装置部分；

To design , install and debag the electrical setting .

论述了电气装置接地对于系统安全的重要性。

The importance of earthing electric equipment was analyzed for system safety .

电气装置中485电路及其可靠性设计

Reliability Design of the RS-485 used in the Electrical Installation

用以改变电路内电阻的电气装置。

An electrical device for changing the resistance in an electrical circuit .

建筑物电气装置接地电阻值刍议

Opinions on Earthing Resistance Value of Building Electric Equipment

将储蓄的化学能转变为直流电的电气装置。

An electrical device for changing stored chemical energy into direct electric current .

在降低成本方面，机车车辆电气装置中有很大潜力。

A major potential for cost saving lies in vehicles ' electrical equipment .

石油设施电气装置场所分类

Classification of locations for electrical installations at petroleum facilities

扩音器是一种使声音放大的电气装置。

Amplifier is electrical device which make sounds louder .

GB17466-1998家用和类似用途固定式电气装置电器附件外壳的通用要求

General requirements for enclosures for accessories for household and similar fixed electrical installations

电气装置的计算机测试诊断技术

Computer-Based Testing and Diagnosing Technology for Electrical Devices

GB14821.1-1993建筑物的电气装置电击防护

Electrical installations of buildings Protection against electric shock

电气装置的接地安全设计

Safety Design of Earthing Electric Equipment

GB/T4549.9-1984铁道车辆名词术语电气装置

Rolling stock terms & Electric equipment

接驳到电气装置、插头、断路器和其它设备上的电线均应接驳妥当。

Wire should be attached to fixture , plugs , circuit breakers , and other equipment properly .

本实用新型是一种装有通电指示及带过流过压保护器的磁性插头，适用于电气装置的电源线连接。

The utility model relates to a magnetic plug with an energizing indicator light and an overcurrent overvoltage protector .

应当只使用符合认可标准的电气装置、插头、线路断路器和其它有关设备。

Only fixtures , plugs , circuit breakers , and other equipment which comply with recognized standards should be used .

有些蚂蚁，比如木匠蚁，会破坏房屋结构，而其他蚂蚁则会干扰电气装置。

Some , like carpenter ants , can undermine a home structure , while others interfere with the electrical units .

法国竞争性的供电市场中电气装置连接到配电网的技术条件：新的管理要求

Technical conditions for connecting electrical installations to the distribution network in a competitive supply market in france : the new regulatory requirements

铁道车辆电气装置如驱动系统、辅助电源系统等，是铁路车辆的基本系统。

Railway vehicle electrical devices , such as driving system , such as auxiliary power system is the basic system of railway vehicle .

介绍丰田JAT600型喷气织机电气装置的工作原理、主要故障分析及维修。

The theory of operation of electrical system , analysis of main faults and maintenance of Air jet Toyoda 600 Loom are introduced .