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3BHS799208 E01 REV E ACS5000 WATER-COOLED USER MANUAL 41/186
03 POWER ELECTRONICS AND CABINET FEATURES
3.3 Phase converter unit (PCU)
All frame sizes use three primary phase converter units, each supplying
one motor phase.
In frame size 1 and 2, one primary phase converter unit represents a
complete functional assembly.
In frame size 3 and 4, one primary and one secondary phase converter unit
(connected via DC link) represent a complete functional assembly.
Transformer cable connection
The back left part of the primary phase converter unit contains the
terminals for the transformer cables (Fig. 3-6:1 and Fig. 3-8:1).
Depending on the cable entry ordered, the unit comes with a top or
bottom cable entry.
Note: For information on the dimensions and the busbar arrangement, see
“Appendix C – Mechanical drawings”.
3.3.1 Primary phase converter unit (1700 mm and 2100 mm)
Primary PCU (1700)
Primary phase converter units of 1700 mm are used in frame size 1 and 3.