Selecting The Power Cables; General Rules; Alternative Power Cable Types - ABB ACS150 User Manual

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Selecting the power cables

General rules

Dimension the input power and motor cables according to local regulations.
• The cable must be able to carry the drive load current. See chapter
data
• The cable must be rated for at least 70
the conductor in continuous use. For US, see section
on page 27.
• The conductivity of the PE conductor must be equal to that of the phase
conductor (same cross-sectional area).
• 600 VAC cable is accepted for up to 500 VAC.
• Refer to chapter
A symmetrical shielded motor cable (see the figure below) must be used to meet the
EMC requirements of the CE and C-tick marks.
A four-conductor system is allowed for input cabling, but a shielded symmetrical
cable is recommended.
Compared to a four-conductor system, the use of a symmetrical shielded cable
reduces electromagnetic emission of the whole drive system as well as motor
bearing currents and wear.

Alternative power cable types

Power cable types that can be used with the drive are presented below.
Motor cables
(recommended for input cables also)
Symmetrical shielded cable: three phase conductors,
a concentric or otherwise symmetrically constructed
PE conductor and a shield
PE conductor
and shield
Allowed as input cables
A four-conductor system: three phase conductors and
a protective conductor
Planning electrical installation
for the rated currents.
Technical data
Shield
PE
°
C maximum permissible temperature of
for the EMC requirements.
Note: A separate PE conductor is required if the
conductivity of the cable shield is not sufficient for the
purpose.
PE
Technical
Additional US requirements
Shield
PE
Shield
PE