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In case the utility power fail, the AC-DC converter and charger will be off duty.
The DC-DC converter works and converts the battery voltage into DC-BUS
voltage. The DC-AC inverter converts the DC-BUS voltage into AC voltage.
This is so calledǏON-BATTERY modeǐ.
The auxiliary power circuit supplies the designated power to all the control
circuits. Because the DC-AC inverter is always working, the DC-DC
converter can work rapidly and replace the AC-DC converter while the utility
power fails. Furthermore, the bypass relay continuously keeps in the position
of inverter output to supply the regulated power for the load. There is no
power failure to loading equipment.
2-2 Feature
The UPS, available in 1KVA, 2KVA and 3KVA, is an advanced on-line UPS
providing reliable and consistent sine-wave quality power to vital equipment.
It supports personal computers, networks, servers, telecommunication
equipment and a variety of other facilities. With its outstanding protection
features, the unit keeps your applications safe and running smoothly at all
times.
PFC (Power Factor Correction)
With this function, the investment in the capacity of circuit breakers can beʳ
reduced, specially it will be highly regarded as an important feature in critical
load applications.
Complete Protection
On-line double conversion design, pure sine wave output and zero transfer
time provide best protection. With a built-in surge, spike and line noise
protection, the UPS prevents destructive hardware damage and extends
system life. The EMI/RFI filtering design prevents electrical noise from
affecting computer operation and data files. Besides, the UPS provides
built-in Fax/ Network cable (RJ11/RJ45) jacks protecting your hardware from
surge, spikes and line-noise that travel along communication lines, therefore
providing you a complete “back door” protection.
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