Table 4: Electrical Specifications (250-300-400Kva Ups) - Emerson Liebert NXL series Operation And Maintenance Manual

Liebert NXL UPS
Liebert NXL Model Size
Input Parameters
Input Voltage to Rectifier
Input Voltage to Bypass
Input Voltage Range (Vac)
Input Frequency
Permissible Input Frequency Range
Input THDi at nominal voltage at
full load
Flexi Power Walk-In
Battery & DC Parameters
Battery Type
Nominal Battery Bus
Battery Float Voltage
End-Cell Voltage
DC Ripple Voltage in Float and
Const V Ch. Mode
Temperature Compensated Battery
Charging
Output Parameters
Inverter Type
Output Power
Output Voltage
Output Voltage Regulation (%)
Output Voltage Regulation (100%
Unbal. Load)
Output Frequency
Output Frequency Regulation
Output THDu at Nominal Voltage
(Linear Load)
Output THDu at nominal voltage
Including a 100kVA Non Linear
Load per EN 62040-3
Capacity to Handle Step Load
Transient Recovery (Linear Loads)
%,
Capacity to Handle Leading PF
Load:
0.9 lag to Unity
at 0.95 Lead
at 0.9 Lead
Voltage Displacement
Compliance to EMC Class-A
Overload Conditions, 3 phase
(*) The UPS will operate at full load, but the battery charge will be either reduced or Off (depending on input current).
(**) The UPS will operate at full load, but UPS may source share with the batteries (depending on input current).
(***) UPS will be in Battery mode
Page 66
Operation and Maintenance Manual
Units 250
Vac
Vac
%
Hz
Hz
%
sec
-
Vdc
Vdc
Vdc/
cell
%
-
-
kW 225
Vac
%
%
Hz
%
%
%
%
%,
msec
Subject to 12,5% kW derate or same rating and 10°C temp. derate
° el
% FL

Table 4: Electrical Specifications (250-300-400kVA UPS)

300
380/ 400 default/ 415 - 3-phase, 3-wire plus ground
380/ 400 default/ 415 3-phase, 4-wire
+/-10%
(*) -15% to -20%
(**) -20% to -30%
(***) <-30%
50
47 to 63
<10% with 6-pulse and passive filter
<5% with 12-pulse and passive filter
3 to 30 sec (selectable) in 1 sec. increments
VRLA (Valve Regulated Lead Acid) or
FLA (Flooded Lead Acid)
396V @400Vac
446V
Selectable from 1.6 to 1.9 (for VRLA / Wet cells)
<1 (RMS value) < 3.4% Vpp
Standard (with optional temperature probe)
IGBT-based Sine-Sine PWM Controlled
270
380/ 400 default/ 415 , 3-ph, 4-wire plus ground
< 1% (3-phase RMS average)
< 2% (3-phase RMS average)
50
± 0.1
<2
2.5% (max)
0-100 or 100-0
within 5% peak to peak in one-line cycle
Subject to maximum kW rating
Subject to maximum. kW rating
120° ±1° el (with 100% unbalanced load)
Optional
100% continuous
110% for 60 minutes
125% for 10 minutes
150% for 1 minute
250-300-400-800kVA
400
360