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Battery and Powertrain Sizing for L7e-CU Type Electric Vehicle University of Ljubljana
- Format:
- Book
- Conference/Event
- Author/Creator:
- Rupnik, Urban, author.
- Conference Name:
- Conference on Sustainable Mobility (2024-09-18 : Catania, Italy)
- Language:
- English
- Physical Description:
- 1 online resource cm
- Place of Publication:
- Warrendale, PA SAE International 2024
- Summary:
- The aim of paper is to present the workflow of battery sizing for electric L7e-CU type vehicle. The intention is to use it as last-mile delivery multi-purpose vehicle. Based on legislation limits and pursuing the real-world driving cycle, major vehicle characteristics as total vehicle mass including payload and wheel size are determined. Vehicle total energy consumption is calculated knowing vehicle power in time. Accordingly, to selected gearbox ratio the electric motor nominal power-speed curve is defined as well as the nominal torque-speed curve. Applying vehicle acceleration dynamics involving limits considering resistive forces, acting on the vehicle, e.g. slope, friction, air drag, and total inertia, referred to the electric motor through the gearbox the electric motor over-load-ability characteristics are calculated. Next, the motor design is defined and optimized. Defining required vehicle range at given driving cycle and knowing the vehicle and all powertrain characteristics allows to properly define the battery characteristics e.g. nominal voltage, battery cell type, current capacity, energy storage, dimensions and its mass
- Notes:
- Vendor supplied data
- Publisher Number:
- 2024-24-0018
- Access Restriction:
- Restricted for use by site license
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