Product Specification
74
UPS 30-300kVA User Manual
6.4.2 Electrical Characteristics(Intermediate DC Link)
Table 6-6
Battery
Items
Unit
Parameters
Battery bus voltage
Vdc
Rated
:
±120V
Quantity of lead-acid
cells
Nominal
20=[1 battery(12V)] ,120=[1 battery(2V)]
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/
℃
/cl
3.0(selectable:0~5.0)
Ripple voltage
%
≤1
Ripple current
%
≤5
Equalized
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 : 1~20% * UPS
capacity)
6.4.3 Electrical Characteristics(Inverter Output)
Table 6-7
Inverter Output (To critical load)
Item
Unit
Value
Rated capacity
KVA
30~300kVA
Rated AC voltage
Vac
208/220 (Line-Line)
Rated Frequency
Hz
50/60
Frequency
Regulation
Hz
50/60Hz±0.1%
Voltage precision
%
±
1.5(0~100% linear load)
Overload
\
110%, 60min;
125%,10min;
150%,1min;
>150%,200ms
Synchronized Range
Hz
Settable,
±
0.5Hz ~
±
5Hz, default
±
3Hz
Synchronized Slew
Rate
Hz
Settable, 0.5Hz/S ~ 3Hz/S, default 0.5Hz/S
Output Power Factor
PF
0.9
Transient Response
%
<5% for step load (20% - 80% -20%)
Transient recovery
< 30ms for step load (0% - 100% -0%)
Output Voltage
THDu
<1% from 0% to 100% linear load
<6% full non-linear load according to IEC/EN62040-3