Eaton 93PM - Figure 5-5. Path of Current through the UPS in Battery Mode

Understanding UPS Operation
5-6 Eaton 93PM UPS (20–100 kW, 480V – 100 kW Frame) Installation and Operation Manual P-164000227—Rev 6 www.eaton.com/powerquality
Figure 5-5. Path of Current Through the UPS in Battery Mode
Bypass Input
Static
Switch
Bypass Switchgear
Rectifier
Inverter
Inverter
Switchgear
Rectifier
Switchgear
Rectifier Input Output
Battery Converter
Battery
Switchgear
Main Power Flow
Switchgear
Closed
Open
Battery
Trickle Current
De-Energized
Energized