Instruction Manual
Regenerative DC Bus Supply Operation 2–7
380-480VAC Power
Wiring
Figure 2.4 — 380-480VAC Power Line Filter Connections
Figure 2.5 — 380-480VAC 1321 10% Line Reactor Connections
LINE FILTER PRECHARGE UNIT LINE REACTOR CONVERTER
Input Term. Output Term. Input Term. Output Term. Input Term. Output Term. Input Term.
R
IN
R
OUT
RR1R1R2R2
S
IN
S
OUT
SS1S1S2S2
T
IN
T
OUT
TT1T1T2T2
R
IN
PE — GND
(EARTH GROUND)
S
IN
T
IN
R
OUT
S
OUT
T
OUT
L
R
L
T
L
S
PE
(EARTH GROUND)
PE
(EARTH GROUND)
R2
S2
S2
T2
T1
T1
S1
S1
R1
R1
T2
AC POWER IN
(FROM PRECHARGE UNIT)
AC POWER OUT
(TO CONVERTER)
R2
1321 10% Line Reactor
380-480VAC Power Connections
380-480VAC input and output power
connections are made as shown in
Figure 2.4 through Figure 2.8.
!
ATTENTION: 1336
REGEN equipment will not
be properly synchronized
unless correct Filter-to-
Precharge-to-Line Reactor-
to-Converter AC power
connections are maintained.
Failure to maintain correct
phase-related connections
will result in equipment
malfunction and/or failure.