Requirements for non-ABB motors,
P
n
> 100 kW (134 hp)
See also Abbreviations (page 102).
Requirement forNominal AC line
voltage
Motor type
ABB d
u
/d
t
and common mode filters, in-
sulated N-end motor bearings
Motor insu-
lation sys-
tem
P
n
≥ 350 kW
or
frame size ≥
IEC 400
100 kW ≤
P
n
< 350
kW
or
IEC 315 ≤ frame size
< IEC 400
P
n
≥ 469 hp
or
frame size >
NEMA 580
134 hp ≤
P
n
< 469
hp
or
NEMA 500 ≤ frame
size ≤ NEMA 580
+ N + CMF+ N or CMFStandard:
Û
LL
=
1300 V
U
n
≤ 420 VRandom-wound
and form-wound
+ N + d
u
/d
t
+ CMF+ d
u
/d
t
+ (N or
CMF)
Standard:
Û
LL
=
1300 V
420 V <
U
n
≤
500 V
+ N + CMF+ N or CMFReinforced:
Û
LL
=
1600 V,
0.2 µs rise
time
+ N + d
u
/d
t
+ CMF+ d
u
/d
t
+ (N or
CMF)
Reinforced:
Û
LL
=
1600 V
500 V <
U
n
≤
600 V
+ N + CMF+ N or CMFReinforced:
Û
LL
=
1800 V
+ N + d
u
/d
t
+ CMF+ d
u
/d
t
+ NReinforced:
Û
LL
=
1800 V
600 V <
U
n
≤
690 V
+ N + CMF+ N + CMF
Reinforced:
Û
LL
= 2000
V, 0.3 µs
rise time
1)
1)
If the intermediate DC circuit voltage of the drive is increased from the nominal level due to long term
resistor braking cycles, check with the motor manufacturer if additional output filters are needed.
Guidelines for planning the electrical installation 101