Download AEG Protect 5.31 Operating instructions

Protect 5.31/xxx-480-220-120 10 kVA - 120 kVA
The information exchange between the individual modules is carried
out using the CAN bus (Controller Area Network). This CAN bus has
high interference immunity and is frequently used for industrial
applications.
Mains
- X1
SBS-Mains
U, V, W, PE
- X4 U, N, PE
- Q1
- A18 DOU
- T40
Display
Rectifier
Inverter
SBS
- T1
- F1
optional
- K7
- Q29
optional
- X2 L-, L+, PE
Signalling
- X3
U, N, PE
Load
Battery
Figure 2 Functional principles of the Protect5.xxx/31
The main components of the UPS are (Figure 2):
Rectifier section with:
• Thyristor stack and control unit
• Transformer
• Smoothing device for the batteries
• Interference suppression devices
Inverter section with:
• Inverter stack and control unit
• Interference suppression devices
Static bypass switch (SBS) with:
• Thyristor stack and control unit
• Interference suppression devices
Figure 2 illustrates the functional principle of the uninterruptible power
supply unit.
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