Eaton 93PM G2 User Manual

Stored energy mode
Energy is drawn from a DC backup power source
and converted to AC power by the UPS inverter.
Most commonly VRLA batteries are introduced to
the system for this purpose, and the mode of
operation is called the battery mode
Bypass mode
Critical load is supported directly by utility power
through the UPS static switch.
33..33..11 NNoorrmmaall ooppeerraattiinngg mmooddeess
This is a UPS with several normal operating modes: Double conversion, Double conversion with VMMS,
and ESS with double conversion on-demand. During normal UPS operation, power for the system is
derived from a utility input source. Unit Online, Unit Online VMMS, or Unit Online ESS is
displayed on the front panel, indicating that the incoming power is within voltage and frequency
acceptance windows.
33..33..11..11 DDoouubbllee ccoonnvveerrssiioonn mmooddee
Figure 5: Path of current through the UPS in the double conversion mode shows the path of electrical
power through the UPS system when the UPS is operating in the double conversion mode.
Figure 5. Path of current through the UPS in the double conversion mode
A Static switch 1 Bypass input Main power flow
B Rectifier 2 Rectifier input
Energized
C Inverter 3 Output
De-energized
D DC/DC
converter
4 Battery breaker
Trickle current
E Battery
Closed Open
EATON 93PM G2 UPS USER’S AND INSTALLATION GUIDE P-164000956
-
February 2021 www.eaton.eu 2200

Eaton 93PM G2 Specifications

General

Brand	Eaton
Model	93PM G2
Category	UPS
Language	English