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11
5. Wiring and Block Diagrams
5.1 Block Diagram
Figure 5.1: Wiring diagram for dual inputs
Figure 5.2: Wiring diagram for single input
5.2 Functions of Core System Elements
Rectifier: Converts AC from the utility into DC voltage and charges the battery.
Inverter: Converts DC voltage into fully regulated, clean AC voltage to power the attached load. Regardless of the AC waveform from the utility,
the load receives a clean, consistent sine wave with stable voltage and frequency.
Automatic Bypass (Static Switch): Transfers the attached load to mains in case of overload or internal failure. The load is kept powered up as
long as the mains power is available.
Manual Bypass (Maintenance Breaker): User-operated physical switch. The user can transfer the load to bypass to perform UPS maintenance
without powering down the load.
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