Single Ups Unit System Oneline Configurations; Figure 5-5. Path Of Current Through The Ups In Battery Mode - Eaton 93PM-L Installation And Operation Manual

Understanding UPS Operation
Bypass Input
Rectifier Input
Rectifier
Switchgear

Figure 5-5. Path of Current Through the UPS in Battery Mode

5.3

Single UPS Unit System Oneline Configurations

The system oneline drawings in this section show the simplified internal structure of the UPS, battery supply,
and basic maintenance bypass.
Oneline Drawing UPS Model
See Figure 5-6 93PM-L 120-6
See Figure 5-7 93PM-L 120-6 with
5-6 Eaton 93PM-L UPS (20–120 kW, 208V) Installation and Operation Manual P-164000688—Rev 02
Rectifier
Switchgear
Closed
Open
Input
208 or 220
208 or 220
Sidecar
Static
Switch
Battery Converter
Battery
Switchgear
Battery
Voltage
Output
208 or 220 Single six UPM reverse transfer UPS with external battery
208 or 220 Single six UPM reverse transfer UPS with external battery
with Sidecar
www.eaton.com/powerquality
Inverter
Inverter
Switchgear
Main Power Flow
Trickle Current
Energized
De-Energized
System Type
Output