NS3000 Series User Manual
8.4 Electrical Characteristics (Input Rectifier)
Table 8-4
Items
Unit
Parameter
Rated AC Input Voltage
Vac
380/400/415 (three-phase and sharing neutral with
the bypass input)
Input voltage range
Vac
-40%-+20% ( -10%+20% full Load)
Frequency
Hz
50/60Hz (range: 40-70Hz)
Power factor
0.99
THDI
％
3%
8.5 Electrical Characteristics (Intermediate DC Link)
Table 8-5
Items
Unit
Parameters
Battery bus
voltage
Vdc
OneSide: Nominal ±240V, range: 198V-288V
Quantity of
battery
240cell [40pcs 12V battery]
Float charge
voltage
V/cell(VRLA)
2.25V/cell(selectable from 2.2V/cell-2.35V/cell)
Constant current and constant voltage charge mode
Temperature
compensation
mV/°C/cell
－
3.0(selectable from : 0-
－
5.0, at 25°C or 20°C, or inhibit)
Ripple voltage
％
V float
≤
1%
Ripple current
％
C
10
≤
5%
Boost
charge voltage
VRLA
2.4V/cell(selectable from : 2.30V/cell-2.45V/cell)
Constant current and constant voltage charge mode
Final
discharging
voltage
V/cell(VRLA)
1.65V/cell(selectable from : 1.60V/cell-1.750V/cell) @0.6C
discharge current
1.75V/cell (selectable from : 1.65V/cell-1.8V/cell) @0.15C
discharge current
(EOD voltage changes linearly within the set range according
to discharge current)
Battery Charge
V/cell
2.4V/cell(selectable from : 2.3V/cell-2.45V/cell)
Constant current and constant voltage charge mode
Battery Charging
Power Max
Current
kW
10%* UPS capacity (selectable from : 0-20%* UPS capacity)
NS3010
2,8 A settable according buttery capacity
NS3020
5,6 A settable according buttery capacity
Battery Charging
I max
A
NS3030
8,4 A settable according buttery capacity
NS3000 Series User Manual
8.6 Electrical Characteristics (Inverter Output)
Table 8-6
Items
Unit
Parameters
Rated AC voltage
1
Vac
380/400/415 (three-phase + Neutral)
Freqency
2
Hz
50/60Hz
Overload
％
105
％
load, 1 hour
110
％
load, 10min
125
％
, load 1min
150% load 5 sec.
＞
150
％
load, 200ms
Fault current
％
340
％
short current limitation for 200ms
Non linear load capability
3
％
100
％
Neutral current capability
％
170
％
Steady state voltage stability
％
±1(balanced load)
±1.5(100
％
imbalance load)
Transient voltage response
4
％
±5
Voltage Distortion (THDV)
％
＜
1(linear load) ,
＜
5(non linear load
3
)
Synchronization - Window
Rated frequency ±3 Hz(selectable: ±1-±5Hz)
Frequency Speed (SlewRate
Hz/s
1: selectable: 0.5-5
Inverter voltage range
％
V(ac)
±5
Note:
1.
Factory setting is 400V. Commissioning engineers can set to 380V or 415V.
2.
Factory setting is 50Hz. Commissioning engineers can set to 60Hz.
3.
EN50091-3(1.4.58) crest ratio is 3: 1.
4.
IEC62040-3/EN50091-3 including 0
％
-100
％
-0
％
load transient, the recovery time is half circle
to within 5% of stable output voltage.
