The EV Motor Test Rig, manufactured by Atto Labware, is designed for hands-on learning and research in the field of electric vehicle propulsion systems. It provides students with practical exposure to EV motors, controllers, and performance testing. Mounted on a robust and portable workstation, the system allows safe, repeatable, and flexible training applications for universities, automotive labs, and technical institutes.
Educational Objectives
Students will be able to:
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Understand the principles of electric traction motors used in EVs.
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Learn to connect and operate EV motor controllers.
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Measure torque, speed, voltage, current, and efficiency of EV motors.
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Study the effects of load, speed variation, and regenerative braking.
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Apply diagnostics and troubleshooting techniques for EV drive systems.
Performance Measurement
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Measurement of motor torque and speed under variable load.
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Efficiency testing of EV motor and controller combination.
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Verification of voltage, current, and power characteristics.
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Demonstration of regenerative braking energy recovery.
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Analysis of performance curves for different motor types.
Panel and Instruments / Components
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EV Traction Motor (AC or BLDC as per configuration).
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Motor Controller / Inverter with programmable parameters.
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Variable Load Unit with torque sensor.
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Digital meters for voltage, current, and power.
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RPM and torque display modules.
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Battery simulator / DC supply for motor operation.
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Protective devices including fuses, relays, and E-stop.
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Portable workstation with safety enclosures.
Optional Software Package
The test rig can be supplied with a dedicated software package for:
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Real-time monitoring of motor torque, speed, voltage, current, and efficiency.
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Plotting performance curves (torque-speed, power-speed, efficiency-speed).
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Data logging for classroom demonstrations and student analysis.
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Simulation of different driving conditions and load profiles.
âš¡ Manufacturer: Atto Labware
Note: Customized specifications and software are available on request.