ABB ACS880-04F-504A-3, Hardware Manual

Page: 61 / 202

Requirements for non-ABB motors, P
n
< 100 kW (134 hp)
See also Abbreviations (page 62) .
Requirement for Nominal AC line
voltage
Motor type
ABB d
u/dt and common mode filters, insulated
N-end motor bearings
Motor insula-
tion system
P
n
< 100 kW and frame size < IEC 315
P
n
< 134 hp and frame size < NEMA 500
- Standard:
Û
LL
= 1300 V
U
n
≤ 420 V Random-wound and
form-wound
+ d u/dt Standard:
Û
LL
= 1300 V
420 V < U
n
≤ 500 V
- Reinforced:
Û
LL
= 1600 V,
0.2 µs rise
time
+ d u/dt Reinforced:
Û
LL
= 1600 V
500 V < U
n
≤ 600 V
- Reinforced:
Û
LL
= 1800 V
+ d u/dt Reinforced:
Û
LL
= 1800 V
600 V < U
n
≤ 690 V
-
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 61