3–12
Regenerative Brake Operation
380-480VAC Power
Wiring
380-480VAC Power Connections
380-480VAC input and output power connections are made as
shown in Figure 3.5 through Figure 3.8.
Figure 3.5 — 380-480VAC 1321 3% Line Reactor Connections
!
ATTENTION: 1336 REGEN equipment will not be
properly synchronized unless correct
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.
PRECHARGE UNIT
LINE REACTOR
CONVERTER
Input Term. Output Term. Input Term. Output Term. Input Term.
R
R1
A1
A2
R2
S
S1
B1
B2
S2
T
T1
C1
C2
T2
AC POWER IN
(FROM PRECHARGE UNIT)
AC POWER IN
(FROM PRECHARGE UNIT)
AC POWER IN
(FROM PRECHARGE UNIT)
A
2
C
1
B
1
A
1
AC POWER OUT
(TO CONVERTER)
B
2
AC POWER OUT
(TO CONVERTER)
C
2
AC POWER OUT
(TO CONVERTER)
PE
(EARTH GROUND)
PE
(EARTH GROUND)
1321 3% Line Reactor
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