iTrust UH11-0060 - Schematic Diagram

1.3 Schematic Diagram
The UPS supports single-unit operation, and master/slave hot
standby operation as well for the purpose of increasing system
reliability.
Rectifier
Inverter
AC mains
Mains switch
Load
Bypass
Bypass switch
Maintenance bypass
Electronic
transfer
switch
Charger
Hot standby
shorting
stub
Fig. 1-1 Single-unit System
Rectifier
Inverter
AC mains
Mains switch
Load
Bypass
Bypass switch
Maintenance bypass
Maintenance
switch
Electronic
transfer
switch
Charger
Slave
Master UPS
Fig. 1-2 Master/Slave Hot Standby System
2 Chapter 1 Product Introduction
E1-20010916-C-1.0