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About this manual
20
Terms and abbreviations
Term/Abbreviation
Explanation
APBU
Type of optical branching unit used for connecting parallel-
connected converter modules to the RDCU.
DSSB
Diode Supply System Board
DSU
Diode Supply Unit
Frame (size)
Relates to the construction type of the component in question. For
example, several drive types with different power ratings may have
the same basic construction, and this term is used in reference to all
those drive types.
With the ACS800-07 (> 500 kW), the frame size of the drive
indicates the quantity and frame size of the supply modules, plus the
quantity and frame size of the inverter modules, e.g. “2×D4 + 4×R8i”.
To determine the frame size of a drive type, see the rating tables in
the chapter
Technical data
.
RDCU
Drive control unit.
THD
Total Harmonic Distortion
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Summary of Contents for ACS800-07-0610-3
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