Safety of power transformers , power supply units and similar - part 2 - 5 : particular requirements for shaver transformers and shaver supply units 电力变压器供电设备及类似设备的安全.第2 - 5部分:电动剃须刀变压器和电动剃刀供电装置的特殊要求
For an electrical product which is designed to receive power from a shaver supply unit to bs3535 part 1 , the plug pins shall conform to bs4573 or en50075 供与符合bs3535第1部分的须刨供电装置的插头式电气产品，都要有符合bs4573或en50075的插脚。
For electrical products designed for connecting to shaver supply units , such as electric tooth brushes , the plugs shall be 2 - pin reversible type to bs4573 or en50075 如供与接驳须刨供电装置连接的电动牙刷等的电气产品的插头，则须为符合bs4573或en50075的两脚可逆转接驳插头。
Electromagnetic compatibility - limits - limitation of voltage changes , voltage fluctuations and flicker in public low - voltage supply systems , for equipment with rated current 16 a per phase and not subject to conditional connection 电磁兼容性.极限值.额定电流为16a低压供电装置电压波动极限值
In low voltage power source controlling respect , it has designed the controller with driving integrated with protection and optimized the power supplying installation structure to realize esp high - low voltage integrative control 在低压电源控制方面，设计出驱动保护一体化控制器。并优化了供电装置的结构，实现了电除尘器高低压一体化控制。
In a room containing a bath or shower , provision for the connection of an electric shaver , toothbrush or similar light current appliance can be by means of a shaver supply unit of approved pattern complying with bsen 60742 or such a unit incorporating in a luminaire 在设有浴缸或花洒的浴室内，电须刨、电动牙刷或类似的低电流用具的连接电源方式，可采用符合bsen60742标准的须刨供电装置或安装在照明器（例如化妆镜箱）内的同等供电装置。
Land piling , space frame system , landscaping , air - conditioning , audio electronics , burglar alarm and security , electrical , uninterruptible power supply , fire services , fountain , lift , escalator and passenger conveyor , mechanical plant and equipment , repair and restoration of historic buildings , etc 土地打桩、空间构架系统、绿化工程、空调装置、音响装置、防盗及保安装置、电力装置、无间断供电装置、消防装置、喷水池装置、升降机、自动梯及乘客输送带装置、机械装置、维修及修复有历史性楼宇工程等
In the condition of lab , for the device of power supply that based on special ct , the experimental results showed that the circuit of power supplies can supply thepower above 400mw for the high potential circuit of ect when the current in linechangefrom6ato900a . thedeviceissomepracticality 设计制作的小ct供电装置,实验室条件下的实验结果表明,采用小ct在线供电方案在线路电流从6a到900a的范围内变化时,能为高压侧电路提供不少于400mw的功率,基本满足设计的要求,具有一定的实用价值。
Single or three phase at nominal low voltage are required to be inspected , tested and certified at least once every five years . examples of such installations are power supply to lifts , water pumps , public lightings and other communal services in the common area of domestic premises and fixed installations in offices etc . having total loading exceeding 100 amperes , single or three phase （单相或三相）时，该装置须每5年最少作一次检查、测试及领取证明书。这类装置包括住宅楼宇内升降机、水泵、公共照明及其他公用设施的供电装置，办公室内的固定装置等，其总负载量超逾100安培（单相或三相） 。
The said paper is to design a set of electro - static - precipitator ( esp ) individual electric field high - low voltage power - supplying installation . with 80c195 sbc as its core , the said installation is to compose the controlling system , and through a great amount of experiments , it establishes high voltage power source controlling model , has compiled practical controlling software 本文的任务是设计出一套电除尘器单个电场的高低压供电装置，该装置以80c196单片机为核心组成控制系统，并通过大量试验，建立了高压电源控制模式，编制出实用的控制软件。
