Types of Battery Charger and its Comparison

Types of Battery Charger and its Comparison

Type-I : Thyristor Based Battery Charger  

 

 

  • Long operational life more than 20 years.
  • Robust operation
  • Easy for troubleshooting
SCR Firing techniques
  • 6 Pulse
  • 12 Pulse
  • 24 Pulse
Advantages: 12 & 24 Pulse Chargers
  • Very low ripple factor
  • Minimized Harmonic Distortion
  • Improved Power Factor
  • Higher Efficiency 90%
Function Block Diagram

Type-II : SMPS Based Battery Charger:

  • Rectifier Efficiency better than 92%
  • Power Factor better than 0.90%
  • Compact – High Power Density
  • Wide AC input range
  • Output voltage suitable for all types of Batteries
  • Current Stabilization Accuracy less than 0.5%
  • Ripple less than 0.5%
  • Current sharing imbalance for rectifier less than 3%
  • Operate with wide frequency variation.
Comparison between Thyristor Based & SMPS Battery Charger :

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