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10.5 BATTERY CHARACTERISTICS
Battery characteristics
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 (percentage of the battery capacity )
Temperature compensation: optional
Battery test: automatic and periodic battery test (selectable)
1)
IMPORTANT NOTES:
- for small 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.
10.5.1 Graph: AC / AC efficiency with linear load @ cos(phi) 1 *
AC/AC Efficiency with linear, resisitve load
100%
98%
η
96%
94%
92%
90%
0
10 20 30 40 50 60 70 80 90 100
* tolerance of ± 0.2% applies on all figures.
96.1%
95.8%
04-3275_OPM_ABB_CONCEPTPOWER_DPA_500kW_EN_REV-A.docx
Modifications reserved
Values
Unit
1)
42 - 48
1)
420 - 480
60
A
30
kW
2.25 / 1.40
VDC
1.65 / 1.05
2
%
96.0%
95.6%
Load [%]
Page 72/78 ABB
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