ABB ACS800-U7 - Non-ABB motors requirements

Planning the electrical installation
41
The abbreviations used in the table are defined below.
Non-ABB motors
Random-
wound
and form-
wound
U
N
< 420 V Standard: Û
LL
=
1300 V
-+ N or CMF
420 V < U
N
< 500 V Standard: Û
LL
=
1300 V
+ du/dt + du/dt + (N or CMF)
or
Reinforced: Û
LL
=
1600 V, 0.2
microsecond rise
time
-+ N or CMF
500 V < U
N
< 600 V Reinforced: Û
LL
=
1600 V
+ du/dt + du/dt + (N or CMF)
or
Reinforced: Û
LL
=
1800 V
-+ N or CMF
600 V < U
N
< 690 V Reinforced: Û
LL
=
1800 V
+ du/dt + du/dt + N
Reinforced: Û
LL
=
2000 V, 0.3
microsecond rise
time ***
-N + CMF
*** 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.
Abbr. Definition
U
N
Nominal AC line voltage
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 (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
type
Nominal AC supply
voltage
Requirement for
Motor insulation
system
ABB du/dt and common mode filters, insulated
N-end motor bearings
P
N
< 100 kW
and
frame size <
IEC 315
100 kW < P
N
< 350 kW
or
IEC 315 <
frame size <
IEC 400
P
N
< 134 hp
and
frame size <
NEMA 500
134 hp < P
N
< 469 hp
or
NEMA 500 <
frame size <
NEMA 580