供电正常用自动为后备电源充电。
Normal power supply with automatic charge for the back-up power.
后备电源有两种解决方案：超级电容器和电池。
Backup power has two solutions, supercapacitor and batteries.
应用领域：通信基站后备电源、储能设备、储能电站等。
Application areas: communication base station back-up power, energy storage devices, energy storage power station.
蓄电池作为直流系统交流停电时的后备电源，其剩余容量直接影响了直流系统的安全运行。
As backup power supply of the DC system, the residual capacity of battery effected safe operation of DC system directly when ac power failure occurs.
蓄电池作为直流系统交流停电时的后备电源，其非正常失效严重影响了直流系统的安全运行。
The abnormal failure of battery which works as the backup power supply for DC system when ac power failure occurs, will affect the safe operations of DC system seriously.
在19世纪晚期，欧洲和美国的电气化进程开始将蓄电池大规模用于电信技术、便携式电灯系统和后备电源。
The electrification of Europe and America in the late 19th century sparked the use of storage batteries for telegraphy, portable electric-lighting systems and back-up power.
部分原因是风力发电要以依靠风，为了防止“风平浪静”时出现的断电情况，官方不得不以火力发电作为后备电源。
Part of the reason is that wind power depends on, well, the wind. To safeguard against blackouts when conditions are too calm, officials have turned to coal-fired power as a backup.
提出了城市轨道交通采用弱电系统后备电源整合与智能化计时配电管理的设计理念，并在深圳地铁3号线中应用。
This paper introduces the integration of UPS and intelligent time distribution technique of weak current systems in rail transit and its application in Shenzhen Metro Line 3 .
这次强烈的地震和海啸毁坏了电厂的外部电源和以柴油为动力的后备电源。这些电源是用于和电站紧急情况下为冷却系统提供电力供应的电源。
The quake and tsunami cut the supply of off-site power to the plant and diesel generators intended to provide back-up electricity to the cooling system.
本文以at89c55 WD单片机为控制核心，采用线路复用技术，本着基站以市电供电为主，后备电源供电为辅的运行原则进行远程供电。
The microcontroller of AT89C55WD is the center of system. The paper adopts multiplexing technique and the commercial power plays the role of major supply, with the standby power only as a assistant.
星期一的余震主要切断了后备水泵的电源，中断了冷却水的注入。到恢复供电已经过去了大约50分钟。
Aftershocks on Monday briefly cut power to backup pumps, halting the injection of cooling water for about 50 minutes before power was restored.
智能蓄电池放电仪是专门对蓄电池组、直流电源、UPS后备电池进行维护及容量检测的仪器。
Intelligent battery discharger is the instrument that can maintain and capacity test to battery, DC power and UPS backup battery.
利用气体放电管的特性，实现了小灵通基站后备直流远供电源悬浮系统动力线碰触的检测；电路结构简单，实用性强。
The detecting circuit of power line touching of the suspension system of DC long-distance reserve power supply of PHS Cell Station was designed by the characteristic of gaseous discharge tube.
如果服务器包含一个冗余电源、后备供应保持服务器运行，直到一个技术员能取代失败的电源。
If the server incorporates a redundant power supply, the backup supply keeps the server running until a technician can replace the failed power supply.
如果服务器包含一个冗余电源、后备供应保持服务器运行，直到一个技术员能取代失败的电源。
If the server incorporates a redundant power supply, the backup supply keeps the server running until a technician can replace the failed power supply.
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