One of the Uninterruptible Power Supplies (UPS) at the office has failed the battery self test!
办公室一个不间断电源(ups)自检失败！
Uninterruptible power supplies (UPS) are often provided to supply power to critical loads such as computers, controls, and monitoring systems.
不间断电源(ups)通常作为重要负荷，如计算机、控制、监测系统的电源。
Novel circuit structure and topologies family of uninterruptible AC switching power supplies with high power factor are proposed.
提出了一类新颖的不间断高功率因数交流开关电源电路结构与拓扑族。
Novel circuit structure and topologies of single-stage DC switching power supplies with uninterruptible power supply and high power factor, based on flyback converter, are proposed.
该文提出了一类基于反激变换器的单级不间断高功率因数直流开关电源电路结构与拓扑族。
Novel circuit structure and topologies of single-stage DC switching power supplies with uninterruptible power supply and high power factor, based on flyback converter, are proposed.
该文提出了一类基于反激变换器的单级不间断高功率因数直流开关电源电路结构与拓扑族。
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