battery backup system

基本解释

Transformer rectifier (TR) units supply DC power and a battery provides backup for the AC and DC standby system.
降压变压器低压AC电源提供照明，仪器仪表和其他使用交流电在一个较低的电压的电路。
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，其剩余容量直接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.
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。

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