ABB ACS800-U4 Hardware Manual page 39

Motor type Nominal mains
voltage (AC line
N Random- U < 420 V
N
wound and
O
form-wound
N 420 V < U
-
A
B
B
500 V < U
600 V < U
Form-wound 600 V < U
* manufactured before 1992
Note 1: The abbreviations used in the table are defined below.
Abbreviation Definition
U nominal voltage of the supply network
N
Û peak line-to-line voltage at motor terminals which the motor insulation must withstand
LL
P motor nominal power
N
du/dt du/dt filter at the output of the drive or internal du/dt limitation
CMF common mode filter +E208 (3 toroidal cores)
LCMF light common mode filter +E209 (1 toroidal core)
N N-end bearing: insulated motor non-driven end bearing
n.a. Motors of this power range are not available as standard units. Consult the motor manufacturer.
Motor insulation
voltage)
system
Standard: Û
LL
1300 V
< 500 V Standard: Û
N LL
1300 V
or
Reinforced: Û
1600 V, 0.2
microsecond rise
time
< 600 V Reinforced: Û
N
1600 V
or
Reinforced: Û
1800 V
< 690 V Reinforced: Û
N
1800 V
< 690 V Reinforced: Û
N
2000 V, 0.3
microsecond rise
time
Requirement for
ABB du/dt limitation, insulated N-end bearing and ABB common
P < 100 kW
N
and
frame size < IEC 315
P < 134 HP
N
and frame size <
NEMA 500
= -
= + du/dt
= -
LL
= + du/dt
LL
= -
LL
= + du/dt
LL
= n.a.
LL
mode filter
100 kW < P < 350 kW
N
or
frame size > IEC 315
frame size > IEC 400
134 HP < P < 469 HP
N
or frame size >
NEMA 500
+ N or CMF + N + CMF
+ du/dt + N + du/dt + N + CMF
or
+ du/dt + CMF
+ N or CMF + N + CMF
+ du/dt + N + du/dt + N + LCMF
or
+ du/dt + CMF
+ N or CMF + N + CMF
+ du/dt + N + du/dt + N + LCMF
N + CMF N + CMF
Electrical installation planning
39
P > 350 kW
N
or
P > 469 HP
N