Volkswagen ID.3 - Drivetrain Efficiency

Receive detailed measurement results and data from a four wheel vehicle test bench!

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Description

Content Drivetrain Testing - Drivetrain Efficiency:

The functional benchmarking of the electric drive efficiency is executed non-destructively with the complete vehicle, installed on a drivetrain testbench. A measurement of the efficiency of the drivetrain is carried out in order to be able to quantify the power loss of the electric vehicle drivetrain. For this purpose, the vehicle body is clamped on a drivetrain test bench and the wheel suspensions are blocked in nominal load condition. The wheel hubs are connected to the power units of the drivetrain test bench, simulating the power transfer to the street. The examination will be executed according to the power difference methodology at the input and the output of the drivetrain. The electric power of the motor is recorded by a current and voltage measurement at the input of the DC converter. The mechanical power will be recorded by torque measuring devices at each driven wheel. A map of steady state points of operation distributed over the complete speed, torque and battery SOC range is collected and documented. Amongst others the following data are determined: 

- Full power characteristic curves 

- Efficiency values of all operating points with power transfer in driving as well as recuperation mode 

- Drag torques and electrical idle losses of the operating points without power transfer 

Deliverables:

- Comprehensive Powerpoint style report as .pdf file

- Raw data regarding shown measurements will be handed over as .csv or .xlsx files

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Technical Data

Data sheet

Vehicle Type
Passenger cars
OEM
Volkswagen
Segment
PC C/D
Propulsion Type
BEV
Fuel Type
Electrified
Peak Power in kW
150
Model Year
2020
Battery Capacity in kWh
58

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