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46
PCS100 UPS-I User Manual
18
16
14
12
10
Recommended temperature
8
operating zone
6
4
2
0
15
6.1.4
Calculation of Autonomy Time
The autonomy period for a load level other than those given in the tables can be calculated using the following
information and graphs.
Example:
Application's requirements
Load
Power Factor
Supply
Storage autonomy
To use the Storage Loading vs. Autonomy Period graph below the Relative Loading (%) of the energy storage
must be calculated.
20
25
Operating Temperature (ºC)
Figure 6-6: Design Life vs. Operating Temperature graph
500 kVA
0.9
400 V, 50 Hz
Short time autonomy
30
35
40
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