Electrical Characteristics (Input Rectifier); Electrical Characteristics (Intermediate Dc Circuit); Electrical Characteristics (Inverter Output) - Liebert NXC 30kVA User Manual

82 Chapter 11 Specifications

11.4 Electrical Characteristics (Input Rectifier)

Item
Rated AC input voltage
Input voltage range
2
Frequency
Power factor
Input current
Harmonic current distortion THDI% FL
Duration of progressive
power walk-in
Note:
1. Rectifiers operate at any of the rated supply voltages and frequencies without further adjustment.
2. At 305V input mains the UPS maintains the specified output voltage at rated load without discharging a battery.
3. IEC62040-3/EN50091-3: at rated load and input voltage 400V, battery fully charged

11.5 Electrical Characteristics (Intermediate DC Circuit)

Item
Quantity of lead-acid
blocks
Float voltage
Temperature
compensation
Ripple voltage (float
charge)
Boost voltage
Boost control
EOD voltage
Battery Boost charge

11.6 Electrical Characteristics (Inverter Output)

Item
Rated AC voltage
2
Frequency
Table 11-4 Rectifier AC input (mains)
Unit
1
Vac
2
Vac
Hz
kW/kVA, full load
(half load)
3
A, rated
s
Unit
Block
V/cell (VRLA)
mV/°C/cl
%
V/cell (VRLA)
V/cell (VRLA)
V/cell
Table 11-6 Inverter output (to critical load)
Unit
1
Vac 380/400/415 (3-phase 4-wire, with neutral reference to the bypass neutral)
Hz 50/60
Liebert NXC 30kVA And 40kVA UPS User Manual
30kVA
380/400/415, 3-phase 4-wire (+PE) TN/TT power distribution system
305 ~ 477
50/60 (range: 40 ~ 70)
0.99 (0.98)
50
Linear full load < 4% (battery float
charge)
Non-linear full load < 6% (battery
boost charge)
5s to reach full rated current (selectable 10s through 25s in 5-second intervals)
Table 11-5 Battery
30kVA
32, 34, 36, 38, 40 (12Vdc)
2.27 (selectable from 2.2V/cell to 2.3V/cell)
Constant current and constant voltage charge mode
–3.0 (selectable from 0 to –5.0 around 25°C or 30°C, or inhibit)
≤ 1.414%
2.35 (selectable from 2.3 to 2.4)
Constant current and constant voltage charge mode
Float-boost current trigger 0.050C
Boost-float current trigger 0.010C
24h safety time timeout (selectable from 8h to 30h)
Boost mode inhibit also selectable
1.60 ~ 1.85
2.35
Constant current and constant voltage charge mode
Programmable automatic trigger or inhibit of boost mode
Rated power (kVA)
30kVA
Rated power (kVA)
40kVA
64
Linear full load < 4% (battery float
charge)
Non-linear full load < 6% (battery boost
charge)
Rated power (kVA)
40kVA
(selectable from 0.001 to 0.070)
10
(selectable from 0.001 to 0.025)
10
40kVA