BASICS
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1
1.1
Power or energy storage
It is important to distinguish the system’s "nature", that is, whether it is a power application or an
energy application. Another relevant thing to note is the dynamic requirements of the application.
Determining the application:
•
Energy vs. power (kW/kWh ratio)
•
Dynamic requirements:
o Grid support functions (Harmonics, FRT)
o Bulk energy time shift
Figure 2. Power vs. energy
Time [h]
Power: Energy
MW: MWh
4:1
3:1
2:1
1:1
1:1
1:4
1:2
1:3
1:4
Time [h]
Time [h]
P
o
wer [MW]
P
o
wer [MW]
P
o
wer [MW]
Power Applications
Energy Applications
4:1
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