Battery Characteristics; Graph: Double Conversion Efficiency With Linear Load @ Cos(Phi) 1 - ABB Conceptpower DPA 500 Operating Manual

5 Battery characteristics

Conceptpower DPA 500
Technology: VRLA, vented lead-acid, NiCd
Number of 12 V blocks (even and odd)
Number of 1.2 V NiCd cells (even and odd)
Battery charger: decentralized, each module has its own charger
Max. current charger capability
Max. power charger capability
Floating voltage (VRLA / NiCd)
End of discharge voltage (VRLA / NiCd)
R.M.S. ripple current (% of the battery capacity )
Temperature compensation: optional
Battery test: automatic and periodic battery test (selectable)
1) IMPORTANT NOTES:
For short autonomies (< 20 minutes) the UPS supports 40 - 50 12V blocks
•
The range 42 - 48 supports any autonomy
•
At output voltage 415/240VAC the minimum 12V block is 42
•

5.1 Graph: Double conversion efficiency with linear load @ cos(phi) 1 *

Double conversion efficiency with linear, resistive load
η
* tolerance of ± 0.2% applies on all figures.
Modifications reserved
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Values
42 – 48 1)
420 – 480 1)
60
30
2.25 / 1.40
1.65 / 1.05
2
.
Unit
-
-
A
kW
VDC
VDC
%
.
Load [%]