ABB ACS800-02 - Page 29

Planning the electrical installation
29
* manufactured before 1992
Note 1: The abbreviations used in the table are defined below.
N
O
N
-
A
B
B
Random-
wound and
form-wound
U
N
< 420 V Standard: Û
LL
=
1300 V
- + N or CMF + N + CMF
420 V < U
N
< 500 V Standard: Û
LL
=
1300 V
+ du/dt + du/dt + N + du/dt + N + CMF
or
+ du/dt + CMF
or
Reinforced: Û
LL
=
1600 V, 0.2
microsecond rise
time
- + N or CMF + N + CMF
500 V < U
N
< 600 V Reinforced: Û
LL
=
1600 V
+ du/dt + du/dt + N + du/dt + N + LCMF
or
+ du/dt + CMF
or
Reinforced: Û
LL
=
1800 V
- + N or CMF + N + CMF
600 V < U
N
< 690 V Reinforced: Û
LL
=
1800 V
+ du/dt + du/dt + N + du/dt + N + LCMF
Form-wound 600 V < U
N
< 690 V Reinforced: Û
LL
=
2000 V, 0.3
microsecond rise
time
n.a. N + CMF N + CMF
Abbreviation Definition
U
N
nominal voltage of the supply network
Û
LL
peak line-to-line voltage at motor terminals which the motor insulation must withstand
P
N
motor nominal power
du/dt du/dt filter at the output of the drive
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.
Manufacturer
Motor type Nominal mains
voltage (AC line
voltage)
Requirement for
Motor insulation
system
ABB du/dt filter, insulated N-end bearing and ABB common mode
filter
P
N
< 100 kW
and
frame size < IEC 315
100 kW <
P
N
< 350 kW
or
frame size >
IEC 315
P
N
> 350 kW
or
frame size >
IEC 400
P
N
< 134 HP
and frame size <
NEMA 500
134 HP <
P
N
< 469 HP
or frame size >
NEMA 500
P
N
> 469 HP