backup generator

基本解釋

It would serve as a backup generator "in case Alcatraz is compromised, " he said.
它作爲“一個後備發(fā)電機”，以防止惡魔島妥協。
At the onset of the earthquake, the plant automatically shut down the fission process, which normally would leave the coolant system--both the main one and a backup generator--still operational.
地震發(fā)生時，核電站已經自動中止裂變反應過程，一般衹賸下冷卻系統――主發(fā)電機和備用發(fā)電機――仍処於運行狀態(tài)。
That is, backup diesel generator set 100KW common power 90KW.
也就是備用100KW的柴油發(fā)電機組的常用功率爲90KW。
fdjz8.cn

An emergency backup generator is only allowed to operate for 200 hours every year and only in the event of an emergency power failure or for routine testing and maintenance.
FORBES: Backup Generators Are the Bad and Ugly of Decentralized Energy
Neither solar nor wind are powerful enough to carry the heavy load that a backup generator must provide to a facility such as a hospital or a school or a county prison.
FORBES: Peak Oil and ERoEI: Still Nonsense