Battery Chargers - Manual



Salient Features:
=> Latest IGBT controlled Regenerative Charge Discharger
=> Digital Signal Processing (DSP) controlled IGBT based Charge Discharger with fin e control on voltage regulation, ripple, and improved efficiency with re-generative feature for charging the batteries of TL & AC coaches
=> High Efficiency Battery charging cum Discharging
=> Charging cum Discharging batteries of 155V/220A
=> Constant Voltage/Current with Current limiting
=> Input Voltage: Nominal Voltage 415V AC, 3 Phase(Nominal)
=> Operating Voltage range 350V-480V AC, 50Hz
=> DC Output Voltage: 115V-155V DC
=> DC Output Current: 0-220A
Operating Modes:
=> In Charging mode, the unit shall be suitable to work either in constant voltage (CV) or in Constant Current (CC) Mode
=> In Discharging mode, the unit shall work in constant current (CC) mode, discharging the battery into AC mains at constant present current
Output Regulation:
=> Under CV mode of working, the charger shall give a DC Output Voltage adjustable over a voltage control potentiometer
=> Under CC mode of working, the charger shall be capable of delivering an output current whose magnitude shall be selected by means of current control potentiometer
=> Ripple Content: The charger shall be equipped with suitable filter circuit on the output to reduce the voltage / Current ripple factor than or equal to 5% rms at full load when measured across a resistive load
=> Auto mode charging: The charger shall be provided with suitable circuitry to charge the Battery either in Float or Boost mode automatically
=> Protections: Over Voltage, Current Limit, Short circuit protection, AC input fuse, Bridge fuse, AC under/over voltage
=> During charging for measure to display of voltage and current using DC digital Voltmeter and Ammeter
=> AC digital voltmeter provided to measure/ indicate the AC input voltage and current
=> Indications: Mains Supply, Unit ON, Unit ON CV Mode, Unit On CC Mode, Charger Over Voltage, Unit Fault for Failure of input phase and bridge fuse, AC Under/Over Voltage, Charger Failure