Here's - PROLiNK

ONLINE OR DOUBLE-CONVERSION UPS
True Online UPS models use
a technique known as double
conversion to offer a steady
power output. They are ideal for
equipment that are sensitive to
power fluctuations such as audio
recording equipment, sound booths,
servers, medical and diagnostic
equipment, office telephone systems
and printers.
By using “double conversion”, the system output remains independent
of any fluctuations in AC supply voltage and frequency variation is
maintained with the limits. Online UPS systems use the power circuit
and an inverter that changes the incoming AC power into DC power
through a rectifier and reconverts the power back to the regulated AC
through the inverter. This collective double conversion of AC to DC and
DC to AC provides continuous power to the load both for conditioned
power and protection from power outages. In addition, there is no break
in the supply of power to the load during transfers to battery mode for
back up.
Online UPS models are also the preferred choice for long run
applications because the inverter is designed for continuous operation
and built to charge a higher capacity battery. Most of the Online UPS
models also come with internet monitoring features as an option. With
an additional SNMP card, a standardized communication system used
on local and wide area networks, users can monitor and control UPS
systems connected to it via the standard Transmission Control Protocol/
Internet Protocol (TCP/IP) connections.
LINE INTERACTIVE VS ONLINE
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