3BHS799208 E01 REV E ACS5000 WATER-COOLED USER MANUAL 45/186
03 POWER ELECTRONICS AND CABINET FEATURES
Figure 3-9 Primary PCU, 2100 mm: side view left (A) and side view right (B)
(1) Terminal compartment for
transformer cables
(2) VLSCD circuit board
(3) Discharging circuit
(4) Rectifier stacks consisting of
diodes and thyristors
(5) DC-link connection
(6) Roof-mounted cooling unit
(7) Inverter stacks consisting of
diodes and IGCTs
(8) Gate unit
(9) Water pipe
(10) AC busbars for adjacent PCU and
motor phase
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