Section-10
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10.5 OUTPUT
CHARACTERISTICS
UPS Model
PS 10 PS 15 PS 20 PS 25 PS 30 PS 40 PS 50
Output Rated Power
kVA
10
15
20
25
30
40
50
Output Rated Power
KW
9
13.5
18
22.5
27
36
45
Output Current In @ PF0.9 (400VAC)
A
14.4
21.7
28.9
36.1
43.3
57.7
72.2
Output Current In @ PF1 (400VAC)
A
13.0
19.5
26.0
32.5
39.0
52.0
65.0
Output Rated Voltage
V
3x380/220V or 3x400/230V or 3x415/240V
Output Voltage Stability
%
Static:
< +/- 1%
Dynamic (Step load 0%-100% or 100%-0%)
< +/- 4%
Output Voltage Distortion
%
With Linear Load
< 2%
With Non-linear Load (EN62040-3:2001)
< 4%
Output Frequency
Hz
50 Hz or 60 Hz
Output Frequency Tolerance
%
Synchronized with mains
< +/- 2 %
(selectable for bypass operation)
or < +/- 4 %
Free running
+/- 0.1 %
Bypass operation
At Nominal Input voltage of 3x400 V
+/- 15 %
or 196 V to 264 V ph-N
Permissible Unbalanced Load
(All 3 phases regulated independently)
%
100%
Phase Angle Tolerance
(With 100 % Unbalanced load)
Deg. +/- 0 deg.
Overload Capability on Inverter
%
At PF 0.9
110% load
10 min.
At PF 0.9
130% load
1 min.
At PF 0.8
125% load
10 min.
At PF 0.8
150% load
1 min.
Output short capability (RMS)
A
Inverter :
up to 3 x In during 40 ms
Bypass :
10 x In during 10 ms
Crest - Factor
3 : 1
10.5.1 GRAPH:
AC – AC EFFICIENCY with Linear load up to cos
φ
1
Linear Load (cos
φ
=1)
95.5
95.5
95
94.5
70
75
80
85
90
95
100
25
50
75
100
Load %
%
NOTE: Depending on power rating
