Active Front End (AFE)
vacon • 33
24-hour s358 (0)201 212 575 • Email: [email protected]
4
4.8
Active Front End power ratings
4.8.1
Vacon NXA; DC voltage 380–500 V
For dimensions of NXA units, see Table 8 and LCL filters Table 9.
NOTE!
The rated currents in a given ambient (+40 °C) temperature are achieved only when the switching
frequency is equal to the factory default.
NOTE!
The motor output power: P
out
=P
dc
x (
η
INU
x
η
Motor
).
P
dc
= AFEs DC power
η
INU
= efficiency of the inverter
η
Motor
= efficiency of the motor
4.8.2
Vacon NXA; DC voltage 525–690 V
For dimensions of NXA units, see Table 8 and LCL filters Table 9.
NOTE!
The rated currents in a given ambient (+40 °C) temperature are achieved only when the switching
frequency is equal to the factory default.
NOTE!
The motor output power: P
out
=P
dc
x (
η
INU
x
η
Motor
).
P
dc
= AFEs DC power
η
INU
= efficiency of the inverter
η
Motor
= efficiency of the motor
Table 6. Power ratings of Vacon NXA, supply voltage 380–500 VAC
Type
Unit
Low oveload
(AC current)
High oveload
(AC current)
DC Power
(continuous)
Code
Frame I
L-cont [A]
I
1min [A]
I
H-cont [A]
I
1min [A]
400 V mains
P [kW]
500 V mains
P [kW]
AFE
NXA_0261 5
FI9
261
287
205
308
175
229
NXA_0460 5
FI10
460
506
385
578
309
387
NXA_1300 5
FI13
1300
1430
1150
1725
874
1092
Table 7. Power ratings of Vacon NXA, supply voltage 525–690 VAC
Type
Unit
Low oveload
(AC current)
High oveload
(AC current)
DC Power
(continuous)
Code
Frame
I
L-cont [A]
I
1min [A]
I
H-cont [A]
I
1min [A]
690 V mains
P [kW]
AFE
NXA_0170 6
FI9
170
187
144
216
197
NXA_0325 6
FI10
325
358
261
392
377
NXA_1030 6
FI13
1030
1133
920
1380
1194
Содержание NX Active Front End
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