ABB ACS880-07XT Series, Руководство по оборудованию, Страница: 139 / 168

Technical data 139
Electrical power network specification
Voltage ( U
1
) ACS880-07XT-xxxxx-3: 380…415 V AC 3-phase ±10%. This is indicated in the
type designation label as typical input voltage level (3~ 400 V AC).
ACS880-07XT-xxxxx-5: 380…500 V AC 3-phase
± 10%. This is indicated in the
type designation label as typical input voltage levels (3~ 400/480/500 V AC).
ACS880-07XT-xxxxx-7: *525…690 V AC 3-phase
± 10%. This is indicated in the
type designation label as typical input voltage levels (3~ 525/600/690 V AC).
*525…600 V AC in corner-grounded TN systems
Network type TN (grounded) and IT (ungrounded) systems
Frequency 48 to 63 Hz, maximum rate of change 17%/s
Imbalance Max. ± 3% of nominal phase-to-phase input voltage
Short-circuit withstand
strength (IEC 61439-1) Maximum allowable prospective short-circuit current is 65 kA when by the fuses
given in the fuse table. For the maximum allowable prospective short-circuit
current with circuit breakers.
Fundamental power
factor (cos phi
1
)
0.98 (at nominal load)
Transformer
specification for
12-pulse supply
(IEC 60076-1:2011) Connection: Dy 11 d0 or Dyn 11 d0
Phase shift between secondaries: 30° electrical
Voltage difference between secondaries: < 0.5%
Short-circuit impedance of secondaries: > 5%
Short-circuit impedance difference between secondaries: < 10% of the
percentage short-circuit impedance
No grounding of the secondaries allowed. Static shield recommended.
Motor connection data
Motor types Asynchronous AC induction motors, permanent magnet motors and AC
induction servomotors.
Voltage ( U
2
) 0 to U
1
, 3-phase symmetrical, U
max
at the field weakening point
Frequency DTC mode: 0 to 3.2 · f
f
. Maximum frequency 500 Hz (120 Hz with d u /d t ). Low
motor noise mode is recommended with high frequencies (see also the firmware
manual).
f
f
=
f
f
: frequency at field weakening point; U
N
: electrical power system voltage; U
m
:
nominal motor voltage; f
m
: nominal motor frequency
Frequency resolution 0.01 Hz
Current See section Ratings.
Frequency 0…500 Hz
For drives with du/dt filter: 120 Hz
Switching frequency 3 kHz (typically)
Maximum recommended
motor cable length DTC control Scalar control
300 m (984 ft) 300 m (984 ft)
Note : Motor cable longer than 100 m (328 ft) is allowed but then the EMC
Directive requirements of Category C3 may not be fulfilled.
Control unit connection data
See chapter Control units of the drive .
U
N
U
m
· f
m