ABB ACS800-U7 Hardware Manual page 41

Motor Nominal AC supply
type voltage
Non-ABB motors
Random- U < 420 V
N
wound
and form-
420 V < U < 500 V
N
wound
500 V < U < 600 V
N
600 V < U < 690 V
N
*** If the intermediate DC circuit voltage of the drive is increased from the nominal level by resistor braking,
check with the motor manufacturer if additional output filters are needed in the applied drive operation
range.
The abbreviations used in the table are defined below.
Abbr. Definition
U Nominal AC line voltage
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 (option +E205)
CMF Common mode filter (option +E208)
N N-end bearing: insulated motor non-drive end bearing
n.a. Motors of this power range are not available as standard units. Consult the motor manufacturer.
Motor insulation ABB du/dt and common mode filters, insulated
system
P
frame size <
frame size <
Standard: Û = -
LL
1300 V
Standard: Û = + du/dt
LL
1300 V
or
Reinforced: Û = -
LL
1600 V, 0.2
microsecond rise
time
Reinforced: Û = + du/dt
LL
1600 V
or
Reinforced: Û = -
LL
1800 V
Reinforced: Û = + du/dt
LL
1800 V
Reinforced: Û = -
LL
2000 V, 0.3
microsecond rise
time ***
Requirement for
N-end motor bearings
< 100 kW 100 kW < P
N
and
IEC 315 < frame size <
IEC 315
P < 134 hp 134 hp < P
N
and
NEMA 500 < frame size <
NEMA 500
+ N or CMF
+ du/dt + (N or CMF)
+ N or CMF
+ du/dt + (N or CMF)
+ N or CMF
+ du/dt + N
N + CMF
Planning the electrical installation
41
< 350 kW
N
or
IEC 400
< 469 hp
N
or
NEMA 580