Scope This manual describes protection techniques for electrical power supply and distribution systems.
范围本手册介绍了电力供应和分配系统的保护技术。
Quality of electrical power supply does directly affects the accuracy of measurements and results of scientific research.
电能质量直接影响测量的精度，影响科研测试的结果。
A ferroelectrics could release total electric polarization energy during it is transformed to antiferroelectrics, and that was used to high electrical power supply.
采用爆炸冲击波作用于贮存有电极化能量的铁电体，迫使其转变成反铁电体，可释放出巨大电能量，用于一次性的高压、大功率脉冲电源。
"The unknown is electrical power [supply] and that will be touch and go," says a Toyota spokesman.
一位丰田公司发言人说：“电力供应是一个不确定因素，我们将持续跟进这一问题。”
A cathode ray tube can hold 300 volts of passive electrical storage, so use a hefty screwdriver across the main power supply capacitor, first.
任何阴极射线管都储存有三百伏电压，所以先要用一把强力螺丝起子来对付主电容器。
Primary electrical power is provided by two engine driven generators which supply three-phase, 115 volt 400 cycle alternating current.
主电力是由两个发动机驱动发电机供应三相，115伏400周期交流电。
Active power Filter (APF) technology is one of the important ways to realize harmonic wave compensation of electrical network and improve the quality of power supply.
有源电力滤波器(简称APF)技术是一种实现电网谐波补偿、改善供电质量的重要方法。
Because of the severe pollution of electrical network harmonic, the harmonic restrain has become an important task of power supply bureau.
由于电网谐波污染严重，对谐波的抑制已成为供电部门的重要任务。
The development of permanent magnet electrical machinery with high efficiency and high power factor supply new ways for water pump saving energy.
高效、高功率因数的稀土永磁电机为水泵节能开辟了新途径。
As we need only electrical power for FET switching on the carrier side, power supply system for carrier is basically not needed.
只有载体侧FET(场效应晶体管)开关需要电源，载体本身基本上不需要电源。
It is difficult to obtain path information in the supply and demand relationship between sources and flows of electric power network according to the basic electrical principles and laws.
如何从基本电气原理和规律出发求解电力网络源流之间发生电气供求关系的路径信息，是一个有待解决的难点问题。
For the fire accident of electrical fire, first cut off the power supply, to avoid accident expansion and burning accident unit.
对于因电起火的火灾事故，首先要切断供电电源，避免事故的扩大和机组烧毁事故的发生。
The power supply of high speed electrical machine is high-frequency voltage and the loss of electrical machine density is great and heat dissipation is difficult.
高速电机的体积小、功率密度大和效率高，正在成为电机领域的研究热点之一。
Among the four electrical power system mentioned before, the most economical and reasonable one is the overhead contact voltage power supply which is supplied by the overhead contact directly.
在所设置的四种供电系统中，由接触网电压直接供电的网压电源是最经济、最合理的供电系统。
In the paper, an electrical power system of base station is introduced in detail, including AC power supply system, DC power supply system and earthing system.
文中介绍了通信基站的电源系统，包括交流供电系统、直流供电系统和接地系统，论述了等电位在基站建设中的重要性。
This text introduces category and reason of electrical breakdown, deals with the methods of checking up the power supply, electric circuit and equipment and gives out some concrete countermeasures.
介绍了电气故障的种类、产生的原因，详述了电源、电路、设备和元件故障的查找方法，对常用电气设备的故障原因、查找方法，做了具体的叙述。
This method can also be applied to switch electrical source of inductive load or bring-in spare power supply.
该方法还可以用于感性负载的电源的切换以及备用电源自投入。
The switches of prair conditionerstically all electrical power tools should quite possibly be turned off fair conditionersing connecting or disconnecting power supply.
所有的电兴工具在连接或装配电源之前，都应该把开关关掉。
The electrical network reconfiguration of shipboard power system (SPS) is one of the most important methods to restore power supply and improve survivability.
舰船电力系统(SPS)的网络重构是恢复系统故障、提高舰船生命力的重要途径之一。
It is very difficult for its complicated double-power supply and double-loop electrical system to realize the reliability modeling and the reliability evaluation.
由于采用复杂的双电源、双回路供配电方式冗余系统，使得系统可靠性建模与可靠性评定造成困难。
Voltage protection for electronic and electrical equipment used in low voltage single phase power supply system.
主要用于低压单相电源系统电子电器设备的过电压保护。
Under appropriate experimental conditions this power supply can meet the needs of polarizing nonlinear crystals with various thicknesses by electrical polarization method.
在适当的条件下，此电源可以满足各种厚度非线性晶体材料的极化要求。
To warrant reliability of DC operation power electrical supply, all-round monitoring to parameter of storage battery operation is necessary.
为保证直流操作电源供电的可靠性，必须对蓄电池组运行参数进行全面的监测。
To the electrical power system reliability request high situation, USES two group of accumulator cell parallel operations, the floating power supply way generally.
在对电源系统可靠性要求较高的场合，一般采用两组蓄电池并联运行、浮充供电的方式。
Connect the power supply cord to an electrical outlet that is near the product and easily accessible.
请将电源线连接在产品附近且使用方便的电源插座上。
According to the marketplace project, this paper briefly describes the electrical design points in the electrical load estimation, the power supply system, lighting system and air conditioning system.
结合商场工程项目，简要阐述建筑电气设计中，负荷估算、供配电系统、照明系统以及空调系统设计要点。
According to the marketplace project, this paper briefly describes the electrical design points in the electrical load estimation, the power supply system, lighting system and air conditioning system.
结合商场工程项目，简要阐述建筑电气设计中，负荷估算、供配电系统、照明系统以及空调系统设计要点。
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