Emerson Liebert NXL 250 kVA, Руководство по эксплуатации и обслуживанию

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Specifications
Liebert
®
NXL
™
76
Table 9 Electrical specifications
Input Parameters
Input Voltage to Rectifier, VAC,
3-phase, 3-wire
480V/575V/600V
Input Voltage to Bypass, VAC, 3-phase,
3- or 4-wire
480V/575V/600V
Input Voltage Range, VAC +10% to -30%
Input Frequency, Hz 60
Permissible Input Frequency Range,
Hz
55 to 65
Reflected Input THDi at nominal
voltage at full load, %
250-400kVA: <10%
500-1100kVA: <5%
Rectifier Power Walk-In, sec 1 to 30 (selectable) in 1 sec. Increments
DC Parameters
Battery Type VRLA (Valve Regulated Lead Acid) or FLA (Flooded Lead Acid)
Nominal DC Bus, VDC 480V
DC Float Voltage, VDC 540V
End-Cell Voltage, VDC 384–502 (for VRLA / FLA)
DC Ripple Voltage in Float and Const V
Ch. mode, %
<1 (RMS value) < 3.4% Vpp
Output Parameters
Inverter Type IGBT-based Sine-Sine PWM Controlled
Output Voltage, 3-phase, 4-wire 480V/575V/600V
Output Voltage Regulation, % < 1% (3-phase RMS average)
Output Voltage Regulation (Unb. Load) < 2% (3-phase RMS average)
Output Frequency, Hz 60
Output Frequency Regulation, % ± 0.1
Output THDu at Nominal Voltage
(Linear Load), %
<2%
Output THDu at nominal voltage
Including a 100kVA Non Linear Load
per EN 62040-3, %
2.5% (max)
Capacity to Handle Step Load, % 0-100 or 100-0
Transient Recovery
(Linear Loads),
%
, msec
within 5% peak to peak in one-line cycle
Capacity to Handle Leading PF Load
0.9 lag to Unity Subject to maximum kW rating
at 0.95 Lead Subject to maximum. kW rating
at 0.9 Lead Subject to 12,5% kW derate or same rating and 10°C temp. derate
Voltage Displacement, ° el 120° ±1° el (with unbalanced load)
Compliance to
FCC
Class-A Standard
Overload Conditions, % FL
(with DC source available)
105% for 85 minutes; 110% for 60 minutes;
125% for 10 minutes; 150% for 1 minute
Liebert NXL Model Size
250 300 400 500 625 750 1100
Physical Parameters & Standards, in (mm)
Width
1
with Static Bypass
71.8
(1823)
78.5
(1993)
78.5
(1993)
111.6
(2835)
140.5
(3569)
140.5
(3569)
228.3
(5799)
Width
1
without Static Bypass
— — —
111.6
(2835)
125
(3175)
125
(3175)
197.5
(5016.5)
Depth
2
33.5
(850)
33.5
(850)
39.4
(1000)
39.4
(1000)
39.4
(1000.7)
39.4
(1000)
46.1
(1170.9)
Height
76.8
(1950)
76.8
(1950)
76.8
(1950)
76.8
(1950)
76.8
(1950)
76.8
(1950)
78.7
(1999)