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Emerson GXT4-5000RT230 User Manual

Emerson GXT4-5000RT230
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Product Description
9Liebert
®
GXT4
User Manual
1.6 Major Components
The UPS is composed of mains input, TVSS and EMI/RFI filters, rectifier/PFC, inverter, battery charger,
DC-to-DC converter, battery, dynamic bypass and UPS output.
1.6.1 Transient Voltage Surge Suppression (TVSS) and EMI/RFI Filters
These UPS components provide surge protection and filter both electromagnetic interference (EMI) and
radio frequency interference (RFI). They minimize any surges or interference present in the mains line and
keep the sensitive equipment protected.
1.6.2 Rectifier/Power Factor Correction (PFC) Circuit
In normal operation, the rectifier/power factor correction (PFC) circuit converts mains AC power to
regulated DC power for use by the inverter while ensuring that the waveshape of the input current used by
the UPS is near ideal. Extracting this sinewave input current achieves two objectives:
The mains power is used as efficiently as possible by the UPS.
The amount of distortion reflected on the mains is reduced.
This results in cleaner power being available to other devices in the building not being protected by the
Liebert GXT4.
1.6.3 Inverter
In normal operation, the inverter utilizes the DC output of the power factor correction circuit and inverts it
into precise, regulated sinewave AC power. Upon a mains power failure, the inverter receives its required
energy from the battery through the DC-to-DC converter. In both modes of operation, the UPS inverter is
on-line and continuously generating clean, precise, regulated AC output power.
1.6.4 Battery Charger
The battery charger utilizes energy from the mains power and precisely regulates it to continuously float
charge the batteries. The batteries are being charged whenever the Liebert GXT4 is connected to mains
power.
TVSS
EMI/RFI
Input
Filter
EMI/RFI
Output
Filter
Rectifier/
PFC
DC-DC
Converter
Battery
Dynamic
Bypass
L
G
N
N
G
L
General
Outlet POD
Dependent
Battery
Charger
Inverter
General
Outlet POD
Dependent
General
Outlet POD
Dependent
General
Outlet POD
Dependent

Table of Contents

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Emerson GXT4-5000RT230 Specifications

General IconGeneral
BrandEmerson
ModelGXT4-5000RT230
CategoryUPS
LanguageEnglish

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