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AMATRONIC
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LECTRONIC
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NDUSTRIES
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TD
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Centric 3x480 Vac, Installation Guide, rel. 2.2
7
120 kW model, front view
120 kW model, rear view
Figure 6: Major components of the Centric 3x480 Vac (120 kW model)
Table 2: Key to Figure 6
I
TEM
D
ESCRIPTION
A
The UPS cabinet’s front door
B
Back side of the LCD panel.
C
System controller
D
Shelves for up to 4 UPS modules. Each UPS module supplies 30 kW.
The lowest UPS shelf is UPS shelf 1, the next shelf up is shelf 2, and so on.
E
Shelves for up to 2 dc-dc converter modules. The dc-dc modules convert the battery voltage of 270
V to 400 V for the UPS modules. Each dc-dc module contains 2 converter blocks. All of the dc-dc
blocks are connected to one-another in parallel, and supply the UPS modules in parallel.
The lowest dc-dc shelf is shelf 1; the next shelf up is dc-dc shelf 2, and so on.
F
The static switch is located at this level, inside the UPS. It is not visible from the outside.
G
Main ac terminals. See Figure 9 for details.
H
Neutral bus bar.
I
Protective Earth Ground bus bar