Planning The Electrical Installation; What This Chapter Contains; Motor Selection And Compatibility - ABB ACS800-07-0610-3 Hardware Manual

Planning the electrical installation

What this chapter contains

This chapter contains the instructions that you must follow when selecting the motor,
cables, protections, cable routing and way of operation for the drive system.
Note: The installation must always be designed and made according to applicable
local laws and regulations. ABB does not assume any liability whatsoever for any
installation which breaches the local laws and/or other regulations. Furthermore, if
the recommendations given by ABB are not followed, the drive may experience
problems that the warranty does not cover.

Motor selection and compatibility

1. Select the motor according to the rating tables in chapter Technical Data. Use the
DriveSize PC tool if the default load cycles are not applicable.
2. Check that the motor ratings lie within the allowed ranges of the drive control
program:
• motor nominal voltage is 1/2 ... 2 · U
• motor nominal current is 1/6 ... 2 · I
3. Check that the motor voltage rating meets the application requirements:
• The motor voltage is selected according to the AC voltage feeding the drive
• The motor nominal voltage is selected according to "the equivalent AC power
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0 ... 2 · I in scalar control. The control mode is selected by a drive parameter.
2hd
when the drive is equipped with a diode input bridge (a non-regenerative drive)
and will operate in motor mode (i.e. no braking).
source voltage of the drive" if the intermediate DC circuit voltage of the drive is
increased from the nominal level by resistor braking or by the control program
of a regenerative IGBT line side converter (parameter selectable function).
The equivalent AC power source voltage for the drive is calculated as follows:
U = U /1.35
ACeq DCmax
where
U = equivalent AC power source voltage of the drive
ACeq
U = maximum intermediate DC circuit voltage of the drive
DCmax
See notes 6 and 7 below the
of the drive
N
of the drive in DTC control and
2hd
Requirements table.
Planning the electrical installation
55