The proposed method does not involve power interruption and is economical of transformation time and expenses.
应用该方法不需要停电施工，改造时间短，改造费用低。
The invention has the advantages of compact structure and small volume. In addition, the invention can eliminate power interruption, thus achieving uninterrupted conversion of dual power supply.
本发明具有结构紧凑、体积较小的优点，同时可消除电源中断时间，实现无间断的双电源转换。
The Emergency Power Supply can offer the electric energy for equipment in various kinds of occasions while the power interruption.
而在市电中断供电时，高性能应急电源能在各种场合为设备提供电能。
Power outage cost is used to measure the economic losses incurred by power customers during the period of power interruption or electric load constraint.
缺电成本用于衡量断电或限电时用户的经济损失。
This purely mechanical transmission, drive with high efficiency, simple structure, and other advantages, but there is inevitable shift of power interruption.
这种纯机械传动，具有传动效率高，结构简单等优点，但是换档过程不可避免存在动力中断。
Lightning stroke fault may cause power interruption and over-voltage due to lightning stroke may do harm to electronic apparatus.
雷击故障能够造成电力中断，雷击产生的过电压，会对用户微电子设备造成损害。
Hot switching: When digital signals are being switched, they may change state with any length of power interruption. Using hot switching prevents digital state changes.
热切换：当数字信号被切换时，任何时间长度的电源中断都会使其改变状态。采用热切换可防止数字状态变化。
Meanwhile, UPS is equipped for instrument cabinet and system program control cabinet to ensure that there will be emergency handling time for workers during accident power interruption.
同时仪表柜及系统程控柜配置ups电源，保证系统在意外断电时工作人员有紧急处理的时间。
Meanwhile, UPS is equipped for instrument cabinet and system program control cabinet to ensure that there will be emergency handling time for workers during accident power interruption.
同时仪表柜及系统程控柜配置ups电源，保证系统在意外断电时工作人员有紧急处理的时间。
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