Service manual

Always On UPS Systems
M0704_NX_Series_Service_Manual V2.17 2012-06-12 66
28. RECTIFIER MODULE
This is a pluggable module which contains the high power devices for the rectifier / charger. The rectifier converts the
power from the AC utility to regulated and conditioned DC power, which is used to charge the batteries and supply the DC
Bus.
The rectifier can be configured as a 6-pulse or 12-pulse rectifier system. The rectifier is comprised of a Rectifier Driver
(3S PCB), high powered SCRs and other monitoring and protection components.
RECTIFIER AND STATIC SWITCH MODULE
Figure 28.1
Location of Rectifier Module in the
10kVA to 60 kVA UPS System