2.5 kW Battery Charger

2.5 kW Battery Charger
Specification No. EDTS-415 REV-0
Description :
- Naturally cooled, IGBT/SiC based, DSP-controlled constant voltage battery charger.
- Designed with advanced power electronics for reliable performance.
- Equipped with output current and voltage limiting features.
- Suitable for underslung mounting on LVPH-type coaches.
- Operates on a nominal input 3-phase supply of 415 Volts ±15%, 50 Hz ±3%
Technical Specifications :
| Type | |
| Constant Voltage | Naturally cooled, IGBT/SiC based, DSP controlled |
| Input Voltage | |
| Nominal Voltage | 415 V AC, 3-phase, 3-wire system |
| Operating Voltage & Frequency Range | 415 V ±15%, 50 Hz ±3% |
| Total Harmonic Distortion (THD) | |
| Voltage THD | < 10% |
| Output (DC) | |
| Isolation | Fully insulated from coach body on both positive and negative sides; galvanic isolation between input & output |
| Output Voltage | 122 V DC ±2% |
| Output Current | 20 A (max.) |
| Battery Compatibility | 110 V, 70 Ah VRLA type |
| Output Power | 2.5 kW (max.) |
| Efficiency | > 90% |
| Ripple Content | < 2% of set Voltage and < 3% of set Current |
| Protections | |
| Output Over-Voltage Trip | 136 V DC ±2 V |
| Output Current Limit | Limited to 20 A |
| AC Under/Over-Voltage Protection | Trips at 350 V ±5 V (under) and 480 V ±5 V (over); auto-restart when input is > 355 V or < 475 V |
| Withstand Capability | Withstands 510 V AC for 2 minutes without damage |
| Self-Reset Feature | Automatic restart once trip condition normalizes |
| Earth Leakage Detection | Trip provided |
| Ingress Protection | IP-67 (dust and water protection) |
| Output Short-Circuit Protection | Trip provided |
| Reverse Polarity Protection | Provided in battery circuits |
| Overload Protection | 22 A for 1 minute |
| Mechanical | |
| Weight | < 75 kg |
