Supply (UPS) for essential loads such as small
data centres, servers, network components,
telecommunications equipment and similar units. It
consists of:
♦ Mains filter with overvoltage protection (appliance
protection / class D) and mains energy backfeed
protection
♦ Rectifier section with PFC logic
(power factor correction unit)
♦ Separate battery charger with
switch mode power supply technology
♦ IGBT inverter for continuous supply of connected loads with
sinusoidal AC voltage
♦ Automatic electronic bypass (SBS)
as additional, passive redundancy
SBS = S
tatic Bypass Switch
♦ Manual bypass for maintenance and
service purposes (with automatic
SBS activation upon actuation)
♦ Control unit
on the basis of digital signal processor technology
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