EV Scooter

Dynamometer Test Bench for Electric Scooter Motors

The Motomea e-Scooter Dynamometer test solution is designed for testing the durability, performance, and road condition simulation of electric scooter motors and their controllers.

The test bench is mainly used for load tests, as well as other customized development and quality tests, such as Research & Development processes and Quality Assurance processes.

The Motomea e-Scooter Dynamometer can be used to test the performance of the electric scooter’s motor. Our dynamometer solution will assist you in improving the motor design and verifying the product performance. It includes hardware test support.

MAIN CAPABILITIES for E-SCOOTER TESTING

The Motomea Regenerative Dynamometer System (Motomea RDS) enables:

Complete load performance testing:
- Torque, Speed, Current, Efficiency, Power Input, Power Output.
Standard electrical parameters testing:
- HV, Vibration, Noise, and others.
Additional testing:
- Cogging, Back EMF, Friction, Friction Spectrum, Ripple Torque.
Automatic temperature rise test:
- Thermocouple and/or PT100 device with 2 to 16 channels for Current, Voltage, Speed, Torque, Power Input, Power Output, all synchronized to each temperature reading.
Electric Motorcycle/Scooter Motor Drive Cycle Load Simulation:
- Real-time simulation with acceleration, braking, change of vehicle states.
Battery Simulation:
- Battery cycle testing (Charge/Discharge).
- Battery SOC (State Of Charge) script.
- Battery SOD (State Of Discharge) script.
- Special feature: Low voltage dip at current transient.
- System includes Output Filter with high capacitance
- Testing at U mode: Voltage Control (CV).
Battery Testing:
- I+ mode: Current Control (CC+).
- I- mode: Current Control (CC-).
- P mode: Power Control (CP), CC-CV, Step for cut-off condition (ET, EV, EC, CC time, CV time, Cap%, etc.).
- Protection (OV & LV, OC & LC, OT).
Additional EM Tests:
- Performance Generating Mode & Performance Motoring Mode.
- Stall Torque, Cogging Torque.
- Back EMF RMS, Open Circuit Back EMF, Back EMF Constant K_E.
- No Load Coupled & Uncoupled.
- Torque Ripple Measurements at Low RPM & at High RPM.
- Electromechanical Time Constant.
- Voltage and Current Harmonics.
- Load from Excel File.
- Speed Torque Scope Viewer.
- Deceleration Test (MOI Calculation).
- Servo Bandwidth (Speed Loop & Current Loop).
- Dynamic Testing during acceleration and deceleration.
- Friction vs. Speed, Friction Drag Torque.
- Torque Speed FFT.
- Performance at Variable Voltage.
- Inductance Test 3 Phases.
- Vibration.
- ISG Tests: Generation Characteristic.
- ISO Efficiency Tests: ISO Efficiency and ISO Efficiency Contour.
- S1 to S8 – IEC duty cycles of operation for electrical motors.