Vacon NX Active Front End, User Manual

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4
vacon • 24 Active Front End (AFE)
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4.4 Active Front End unit technical data
Table 4. Technical specification for Vacon
®
NXA Active Front End unit
AC input connection
Voltage U
in
380...500 Vac; 525...690 Vac; –10%…+10%
Frequency f
in
48–63 Hz
Starting delay FI9–FI13: 5 s
DC output
connection
Voltage 1.35 x U
in
x 1.1 (default DC link voltage boosting is
110%).
Continuous output
current I
H
: Ambient tempe40 °C,
overloadability 1.5 x I
H
(1 min./10 min.).
I
L
: Ambient tempe40 °C,
overloadability 1.1 x I
L
(1 min./10 min.).
Control
characteristics
Control system Open Loop Vector Control
Switching frequency NXA_xxxx 5: 3.6 kHz
NXA_xxxx 6: 3.6 kHz
Ambient conditions
Ambient temperature
during operation –10 °C (no freezing)…+40 °C: I
H
–10 °C (no freezing)…+40 °C: I
L
Maximum tempe50 °C, see Power derating
as a function of ambient temperature.
Storage temperature –40 °C…+70 °C
Relative humidity 0 to 95% RH, non-condensing, non-corrosive, no
dripping water.
Air quality:
- chemical fumes
- solid particles
EN 60721, equipment in operation, Class 3C3.
IEC 721-3-3, equipment in operation, Class 3S2.
Elevation of place of
operation 100% loadability (no derating) up to 1000 m.
Maximum elevation 2000 m (525-690 VAC) and
4000 m (380-500 VAC),
Relay I/O: max. 240 V: 3000 m; max. 120 V: 4000 m,
see Power derating as a function of installation
altitude. See Chapter 4.16.
Vibration
EN50178/EN 60068-2-6 5…150 Hz.
Vibration amplitude 1 mm (peak) in frequency
range 3…15.8 Hz.
Max. acceleration 1 G in frequency range 15.8…150
Hz.
Impacts
EN 50178,
EN 60068-2-27 UPS drop test (with applicable UPS weights)
Storage and transport: max. 15 G, 11 ms (packed).
Enclosure class IP00/NEMA1 standard size in the kW/HP range.
EMC (using factory
settings)
Immunity
EN 61800-3 (2
nd
edition 2004), second
environment.
Safety
EN 50178 (1997), EN 60204-1 (1996-2009), EN
60950 (2000, 3. edition) (as relevant), CE, UL, cUL,
FI, GOST R, IEC-EN 61800-5; (for approvals, see the
unit nameplate).