ABB Conceptpower DPA 500 - 5 Battery Characteristics; Graph: Double Conversion Efficiency with Linear Load @ Cos(Phi) 1

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5 Battery characteristics
Conceptpower DPA 500 Values Unit
Technology: VRLA, vented lead-acid, NiCd
Number of 12 V blocks (even and odd)
42 – 48
1)
-
Number of 1.2 V NiCd cells (even and odd)
420 – 480
1)
-
Battery charger: decentralized, each module has its own charger
Max. current charger capability
60
A
Max. power charger capability
30
kW
Floating voltage (VRLA / NiCd)
2.25 / 1.40 VDC
End of discharge voltage (VRLA / NiCd)
1.65 / 1.05 VDC
R.M.S. ripple current (% of the battery capacity )
2
%
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 *
* tolerance of ± 0.2% applies on all figures.
η
Load [%]
Double conversion efficiency with linear, resistive load