T1000 Series UPS 1000-3000VA Installation and Operation Manual – 94086-001 12
6.1 GENERAL DESCRIPTION
As a double conversion on-line UPS, it is able to supply uninterrupted, clean single-phase
power to your critical systems while keeping batteries charged continuously, regardless of
whether utility power fails or not.
In event that a power failure lasts longer than a UPS backup time, it will shut down
avoiding battery discharge, and as soon as power comes back, the UPS will automatically
charge up and start recharging the batteries. As shown in Figure 1 block diagram:
An input filter reduces transients on the mains
For maintaining full battery charge, AC-power is rectified and regulated in the
rectifier feeding power to the inverter and battery converter.
DC power is converted to AC in the inverter passing it on to the load.
Power is maintained from the battery during a power failure.
The converter increases voltage appropriately for the inverter.
Figure 1: Block diagram
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