Service manual

Always On UPS Systems Inc
3
3. 6 PULSE RECTIFIER TOPOLOGY DRAWING
Figure 3.1
A
lwa
y
s “On” UPS S
y
stems
Topology - 3 Phase UPS 6 Pulse Rectifier
Input: 3PH-4W Output: 3PH-4W
Zero Degrees Phase Shift
INPUT
FIL
N
T
S
INPUT
R
BAT. NEG.
BAT. POS.
FILTER
AUTO-TRANS
RECV
RECTIFIER
FILTER
RESV
P.S.
RESERVE
BYPASS
R
STATIC SWITCH
INVERTER
6 PULSE RECTIFIER
FIL
OPV
N
T
S
STATIC SWITCH
OUTPUT
P.S.