BTS POWER SUPPLY DIAGRAM 1/3

Engine Generator (III Phase) AC 220V

ATS Panel

Main Transformer

III Phase 220 VAC

PDB (III Phase) 220VAC

Rectifier Units48VDC

BTS/RadioEquipment-48VDC

Batteries Bank48VDC

A.C Units220 VAC

The Commercial Supply is available

BTS POWER SUPPLY DIAGRAM 2/3

Engine Generator (III Phase) AC 220V

ATS PanelMain

TransformerIII Phase AC 220V

PDB (III Phase) 220VAC

Rectifier Units48VDC

BTS/Radio Equipment-48VDC

Batteries Bank48VDC

A.C Units220 VAC

The Commercial Supply is Down & Load on Battery backup

AC Failure Alm.

BTS POWER SUPPLY DIAGRAM 3/3

Engine Generator (III Phase) AC 220V

ATS PanelMain

TransformerIII Phase AC 220V

PDB (III Phase) 220VAC

Rectifier Units48VDC

BTS/Radio Equipment-48VDC

Batteries Bank48VDC

A.C Units220 VAC

The Commercial Supply is still down & Load has been shifted on Engine Generator

AC Failure Alm.