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.