Emerson 30-200kVA Manuel D’Utilisation

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Technical Specifications
117
Table 37
Intermediate DC circuit, battery
Rated Power, kVA
Unit of
Measurement
30
40
60
80
100
120
140
160
200
Battery bus voltage
VDC
Nominal: 480V (VRLA Float charge is 540V)
Range: 400V ~ 600V
Quantity of lead-acid cells
Nominal
240 = [40 x 6-cell (12V) blocks]
Maximum
252 = [42 x 6-cell (12V) blocks]
Minimum
228 = [38 x 6-cell (12V) blocks]
Float Voltage (VRLA)
V/cell
2.25 V/cell (selectable from 2.2 –2.3V/cell)
Constant current and constant voltage (IU) charge mode
Temperature 
compensation
mV/°C/cl
- 3.0 (selectable 0 to – 5.0 around 25°C [77°F] or 20°C [68°F]or inhibit)
Ripple Voltage
% V float
≤1
Ripple Current
% C
10
≤5 
Boost Voltage (VRLA)
V/cell
2.35 V/cell (selectable from 2.30-2.40V/cell)
Constant current and constant voltage (IU) charge mode
Boost Control
- float-boost current trigger 0.050 C
10
 (selectable 0.030-0.070)
- boost-float current trigger 0.010 C
10
 (selectable 0.005-0.025) with
24 hr safety time-out (selectable 8-30 hr) 
- boost mode inhibit also selectable 
End Of Discharge (VRLA)
V/cell
1.63 V/cell (selectable from 1.60~1.75 V/cell 
Auto Inverse EOD voltage x discharge current mode
 (The end of discharge voltage increases at low discharge currents).
Battery Charge 
V/cell
2.4 V/cell (selectable from 2.3-2.4V/cell)
Constant current and constant voltage (IU) charge mode
Programmable auto trigger or inhibit of boost mode
Battery Charging Power
kW
5.1
6.7
10
13
17
20
23.8
27.2
34
 Max Current 
(Adjustable)
A
13
17
25
33
43
50
60
68
85
1.
 For a battery capacity of 24Ah or that corresponding to a rated back-up time of 10 minutes, whichever is greatest.
2.
At low input voltage the UPS recharge capability increases with load decrease (up to the maximum capacity indicated).
3.
Maximum currents listed are for end of discharge voltage of 1.67 V/cell for 240 cells.