Instruction Manual
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.
RR1A1A2R2
SS1 B1B2 S2
TT1 C1C2T2
AC POWER IN
(FROM PRECHARGE UNIT)
AC POWER IN
(FROM PRECHARGE UNIT)
AC POWER IN
(FROM PRECHARGE UNIT)
A2 C1
B1
A1
AC POWER OUT
(TO CONVERTER)
B2
AC POWER OUT
(TO CONVERTER)
C2
AC POWER OUT
(TO CONVERTER)
PE
(EARTH GROUND)
PE
(EARTH GROUND)
1321 3% Line Reactor