Operation Modes; Normal Vfi Operation Mode (Voltage Frequency Independent); Eboost™ Operation Mode (Option) - GE FGC TLE Series Manual

4.2

OPERATION MODES

4.2.1 Normal VFI Operation Mode (Voltage Frequency Independent)

Under normal conditions
permanently powered by the Inverter with
constant amplitude and frequency.
The Rectifier, powered by the Utility, supplies
the Inverter and the battery-charger keeps the
battery fully charged.
The Inverter converts the DC voltage in a new
AC sine wave voltage with constant amplitude
and frequency independently from the input
Utility Power.
4.2.2 eBoost™ Operation Mode (option)
eBoost™
e High efficiency (up to 99%)
Boost Fast power transfer (< 2ms)
When the eBoost™ Operation Mode is
selected, and the Utility Power is available,
the Load is normally powered through the
Automatic Bypass.
When the Utility Voltage is detected out of the
prescribed tolerances,
automatically transferred to the Inverter.
When the Utility recovers, the Load returns to
the Automatic Bypass after a variable time
defined by the control unit.
The eBoost™ Operation Mode can be used for single units or the RPA Parallel System, for up to 6 UPS
modules, with all units individually able to supply power through a redundant communication bus.
The eBoost™ Operation Mode can be configured directly by the user for higher efficiency, considering
the Utility reliability and criticality of the Load.
The selection between the two operation modes "VFI mode and eBoost™ Operation Mode", or switching
between operation modes at required time, can be done through the UPS control panel (see Section 6.4
/ eBoost).
NOTE !
The eBoost™ Operation Mode is available only if enabled at the factory or by a GE
GLOBAL SERVICES FIELD ENGINEER.
Modifications reserved
GE_UPS_USM_TLE_SUL_M16_M50_2bU_V010.docx
Critical Power
the is
Load
the Load is
Fig. 4.2.1-1 Block diagram normal VFI Operation Mode
Fig. 4.2.2-1 Block diagram eBoost™ Operation Mode
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User Manual TLE Series 160 - 500 UL S2B