| Class | cruiser |
|---|---|
| Length x Width x Height | 4.61 m x 1.80 m x 1.23 m |
| Weight |
| 315 kg including batteries |
| Array |
|---|
| 326x Sunpower E60 in 7 Modules |
| Battery |
|---|
| Samsung INR18650-35E 14S96P | |
| Motor | 2 custom, 1.3 kW Nominal, 3 kW Peak |
|---|---|
| Wheels | 4 custom lenticular 16” |
| Chassis | carbon fiber monocoque |
From their Wikipedia page (Google Translated)
The Emilia IV model, completed in June 2018, which has the following technical characteristics, belongs to the WSC category of 'Cruisers', vehicles suitable for the transport of passengers.
Vehicle dimensions → Length: 4.610 m. Width: 1.775 m Height: 1,230 m Front track: 1.320 m Rear track: 1,200 m.Wheelbase: 2,772 m. Unladen mass: 315 kg (including batteries). Maximum mass: 650 kg. Mass distribution: 55% front, 45% back (variable ± 5% by battery pack displacement)
Aerodynamics → Front surface: 1.60 m 2 . Aerodynamic coefficient (Cx): 0.20.
Performance → Maximum speed:> 110 km / h. Consumption: 21 Wh / km (at 55km / h). Battery life:> 750 km (at 55km / h).
Photovoltaic panel → SunPower E60 cells. Technology: Monocrystalline silicon. Maximum cell efficiency: 24% (25 ° C). Number of modules: 7. Total number of cells: 326. Installed surface: 5m 2 .. Maximum panel power: 1100W. Photovoltaic panel converter: Maximum Power Point Tracker. Manufacturer: University of Bologna. Type: Boost Converter, distributed generation. Nominal single stage power: 200W. Maximum efficiency: 98%. Single stage weight: 100 g. MPPT number: 7.
Battery Pack → Cell Type: Lithium Ion - LiNiCoAlO2. Manufacturer and cell model: Samsung INR18650-35E. Nominal cell capacity: 3.4 Ah Battery pack construction: University of Bologna. Package configuration: 2x48P14S. Total number of cells: 1344. Nominal voltage pack: 48V. Ah nominal parcel: 331.2 Ah.Total energy: 16.1 kWh. Battery Management System: University of Bologna. BMS architecture: distributed. Limitation and protection: string current, cell voltage, cell temperature. Number of temperature sensors: 2688. Type of equalization: active. Pack cooling: air. Package dimensions: 1160x460x220 mm. External structure: carbon fiber and kevlar composite. Total weight package: 83 kg (with container). Battery positioning: central tunnel.
Engines → Constructor: University of Bologna. Type: Synchronous machine surface permanent magnets (SPMSM) with external rotor. Rotor on composite structure, directly coupled to the wheel and to the mechanical brake. Stator: on a composite structure. Nominal power (x1): 1300 W. Maximum power: 3000 W. Nominal torque: 35Nm. Maximum torque: 125 Nm. Efficiency: 97%. Weight: 11 kg. Cooling: natural air. Number of engines installed: 2, on the rear wheels.
Traction inverter → Manufacturer: University of Bologna. Type: three-phase inverter, field-oriented control. Maximum input voltage: 60V. Maximum current 200 ARMS. Efficiency: 98%. Weight: 1.0 kg. Cooling: natural air. Number of inverters: 2.
Vehicle control system → Manufacturer: University of Bologna. Type: traction control and integrated energy control Traction control functions: pedal maps selectable by the driver and cruise control Power control functions: traction power limitation. Protection functions: motor, inverter, battery. Communication system: 5 CAN lines 1Mb / s. Telemetry: bidirectional on a local wi-fi network. User interface: steering dashboard and 12 '' advanced touch screen.