Figure 2.2 Block Diagram for Working Principle of UPS Single Module of with Single Switch
Item Description Item Description
1 Input 8 Rectifier
2 Output 9 Inverter
3 Bypass input 10 Automatic inverter switch
4 Maintenance bypass switch 11 UPS output
5 Static switch 12 Battery
6 Maintenance bypass 13 Battery charger/discharger
7 Mains input
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Vertiv™ Liebert® APM2 30 to 120 kVA Modular UPS User Manual