紧急备用电源 meaning in Chinese

emergency supply

All power is off - even the emergency power
没电了-紧急备用电源也没电了
Emergency power supply eps
紧急备用电源
Electric ac power supplied by the electric company for the broadcasting equipment both at ibc and venues . in case of trouble it is automatically switched to the power from the generators or ups
场馆和ibc设备使用的交流电，如果出现故障，会自动切换到自备发电机或紧急备用电源。