MAKELSAN POWERPACK PLUS SERIES - 2.2 Product Principle; 2.3 Model Information

4
FIG.3 2/3kVA Rear Panel view
2.2 The principle of the product
FIG.4 UPS Principle Diagram
1.Input filter: Complete filtering the input AC utility power to provide the clean power
for UPS.
2. AC/DC converter: Convert the filtered AC mains to DC and boost the DC for DC/AC
inverter.
3. DC/DC booster: When the UPS works in battery mode, the circuit boosts the DC for
DC/AC inverter.
4. DC/AC inverter: Convert the boosted DC to stable AC output.
5. Bypass: When overload or failure of inverting happen in the UPS, it transfers to
bypass mode to supply power to loads.
6. Charger: Standard unit provides 1A.
7. Battery: Sealed Lead Acid Battery.
8. Output filter: Complete filtering the output of the UPS to provide the clean power for
loads.
2.3 Model
UPS sort MODEL NO Remark
Standard
unit
1KVAS Internal 1A charger, 2 PCS 9AH batteries
1KVAH Internal 6A charger, 2 PCS batteries
2KVAS Internal 1A charger, 4 PCS 9AH batteries
2KVAH Internal 6A charger, 4 PCS batteries
3KVAS Internal 1A charger, 6 PCS 9AH batteries
3KVAH Internal 6 charger, 6 PCS batteries