Hardware Components Perfect Harmony GENIII/e User’s Manual
2-8 A1A19000405A: Version 1.3
2
Figure 2-6: Customer I/O Section (Typical) of a GEN III-Style Perfect Harmony Drive
2.1.3 Cell and Control Sections (GENIII Cell Specifications)
The Control Section is a hinged section that swings out to provide access to the cell section. The control section
contains master control components. The cell contains power cells and up to three blowers mounted on top of the
cabinet.
Siemens’GEN III AC drive system is offered in 5 basic cell sizes (current ratings), grouped to provide output
operating voltages of 3300 VAC (3 cells in series), 4160 VAC (4 cells in series), 4800 VAC (5 cells in series), and
6600 VAC (6 cells in series). Table 2-2 provides the basic specifications associated with all cell combinations for
GEN III Perfect Harmony drives.
*
Note: Output current ratings are a function of the selected cell size. Input current ratings are a
function of the transformer size associated with each hp rating. All specifications are subject to
change without notice.
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