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Battery Charger

The Battery Charger consist of a Float Rectifier, a Float cum Boost Charger, Control and Supervisory Circuit and a voltage dropping device. Float rectifier has at its input double wound step down transformer followed by 3-phase half controlled full wave bridge. Output of bridge is filtered through LC circuits and passed on to load terminal. The controller ensures that load receives perfectly regulated output voltage against load and line variations. The FCBC when operates simultaneously with float rectifier, charges the batteries in either float or boost mode. The charging mode being selected automatically. There is a provision for manual boost charging. The filtering circuit ensures that the ripple contents is limited to less than 3%.
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Rating

  • Voltage
  • Current
   12 V, 24 V, 48 V, 110 V DC
Upto 200 Amps

Input
Mains : 230V(1Ø)/415V(3Ø) ± 15%, 50 Hz ± 6%AC
Battery : 45 to 600 Volts DC

Output
Load : 45 to 600 V DC
Charger : Boost Mode : 1.2 times the battery voltage
Float Mode : 1.08 times the battery voltage
Regulation : ± 1.5 Volts
Ripple : < 100 mV (peak to peak) with battery
Psophometric Noise : <2 mV with battery, on speech load (800 Hz)
Overall Efficiency : >70% under all conditions
Visual Indications : Mains ON High/Low input voltage cut out, High/Low charger voltage cutout, Battery Boost/Float mode Battery Low
Audio Alarm : Battery Low and system failure

  • Soft Start Output
  • No-delay change - over from mains to battery and battery to mains
  • Automatic Boost / Trickle mode change-over
  • Reverse Polarity Protection
  • Built in EMI / RFI filter for noise suppression
  • Facility for manual extended boost charging at 1.25 times the battery voltage
  • Audio/Visual Alarm for: Current change over to battery (on mains failure), Overload tripping
  • Custom-built panel design/displays and protections
  • Color Scheme suitable to the exchange
  • Any different output voltage or current as per customer's requirement
Input voltage   230 V 1-phase / 415 V 3-phase or any other voltage
Output voltage 12V, 24V, 48V, 110V or any other
Type of battery Sealed Lead Acid / Ni-cd, GEL, Wet, Ni-MH
Safety UL / CSA / CE
Protection Reverse polarity / Over current / Short circuit / Over voltageV
Cabinet Standard / Rack type or specify IP series
Charging Characteristic Constant current / Constant voltage / CVCC