Hydrogen Fuel Converter - PEM Fuel Cell System Specification

General Specifications

• Nominal Power Output: 3 kW (continuous)
• Peak Power Output: 3.5 kW
• Fuel: Hydrogen (H₂), purity requirement > 99.97%
• Operating Temperature: -20°C to +60°C (with appropriate cooling system)
• Dimensions: Variable dependant on application and fuel required
• Weight: Variable

Performance

• Efficiency at Peak Power: Up to 55% LHV (Lower Heating Value)
• Voltage: Variable, up to 48 V DC
• Current: Up to 73 A at peak power
• Start-up Time: <30 seconds from cold start to full power

Hydrogen Requirements

• Inlet Pressure: 0.5 to 1.0 bar (gauge pressure)
• Hydrogen Consumption: Approximately 0.6 g/kWh at rated power
• Inlet Flow Rate: 10 L/min at STP for nominal operation
• Fuel Quality: Must comply with ISO 14687-2 for fuel cell grade hydrogen

Air/Oxygen Requirements

• Air Supply: Ambient air, no special requirements for oxygen purity beyond atmospheric levels
• Air Flow: Variable, controlled by fuel cell management system

Cooling

• Cooling System: Forced air cooling with integrated fan
• Coolant: Air; no liquid cooling necessary for this model

Electrical

• Output: Regulated DC output; can be interfaced with an inverter for AC output
• Electrical Protection: Overcurrent, short circuit, reverse polarity protection

Durability and Maintenance

• Expected Lifespan: Up to 5,000 hours under typical usage conditions
• Maintenance Interval: Annual check suggested for optimal performance
• Stack Degradation Rate: <5% power loss per 1,000 hours

Environmental Impact

• Emissions: Water vapor (H₂O) as the only byproduct when operating with pure hydrogen
• Noise Level: <55 dB(A) at 1 meter

Safety Features

• Hydrogen Leak Detection: Integrated sensors with automatic shutdown
• Pressure Relief: Safety valves for overpressure situations
• Electrical Isolation: High voltage insulation and safety disconnects

Control and Monitoring

• Control System: Integrated digital controller
• User Interface: LCD display for operational status, diagnostics, and alerts
• Connectivity: USB, CAN bus for remote monitoring

Certifications

• Compliance: Meets ISO 19880 for hydrogen fuelling station components, relevant IEC standards for electrical safety