Figure 2.1 Block Diagram for Working Principle of UPS Single Module of Without Switch
Item Description Item Description
1 Input 7 Inverter
2 Output 8 Automatic inverter switch
3 Bypass input 9 UPS output
4 Static switch 10 Battery
5 Mains input 11 Battery charger/discharger
6 Rectifier
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Vertiv™ Liebert® APM2 30 to 120 kVA Modular UPS User Manual