Grounding The Drive And The Motor (Single-Point Bonding); Fig. 54. Grounding The Drive And The Motor (Single-Point Bonding) - ABB ACS5000 User Manual

6.4.4. Grounding the drive and the motor (single-point bonding)

Single-point bonding is the preferred method for high-speed applications with fundamental
frequencies above 120 Hz.
For more information see the "Power cables engineering guideline", 3BHS542290 E01.
Fig. 54 shows the single-point bonding connections to ground a drive and a motor in the COU
compartment.
AC5000W
PCUs
COU
1L1 1L2
1 3
2
2 2
3
Motor
1 2 3
V
U

Fig. 54. Grounding the drive and the motor (single-point bonding)

PRODUCT
ACS5000W gen. 2
1L3
1
1 2 3
5
3
5
1 2 3
1
W
M
DOCUMENT KIND
User manual
6
Key:
(1) PE busbar
(2) Cable screen
(3) Cable shield/armor
(4) Equipotential bonding conductor
(optional)
(5) Ground conductor
(6) System ground (grounding network of
installation site)
6
DOCUMENT ID.
3BHS799208 E01
ELECTRICAL INSTALLATION
REV. LANG. PAGE
J en 89/186