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Battery Thermal Management System for Electric Buses
The Battery Thermal Management System (BTMS) is specifically designed for electric buses to solve high-temperature challenges during long-term operation. By maintaining optimal temperature ranges, it significantly extends battery life and ensures the overall system works safely and efficiently.
| Item | Technical Specifications |
|---|---|
| Compressor | DC brushless scroll type EV26 |
| Heat Exchanger | High efficiency plate heat exchanger (15kw @ 10L/min) |
| Condenser | Parallel flow (15kw @ 4.5m/s) |
| Condenser Fan | 2000 m³/h |
| Expansion Valve | Thermostatic expansion valve |
| Controller | CAN 2.0; 250Kbps (Compressor & Fan Drive) |
| Cooling Power | 8KW |
| Working Temperature | 1 - 45ºC |
| Power Inlet Range | DC 400-800V or DC 240-400V |
| Refrigerant | R134A |
| IP Protection / Insulation | ≯50MΩ (Working) |
| Service Life | ≥20,000 hours |
Warranty Period: 12 months. If any part fails within the first year, a replacement part will be provided free of charge.
Maintenance: Under normal usage, refrigerant should be replaced every 2-3 years.