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EV Motor Testing

EV Motor Testing TH

EV Motor Testing

Home | Services | Motor Testing System | EV Motor Testing


Electric vehicles (EVs) rely heavily on electric motors for propulsion, and the development and optimization of these motors are crucial to ensure maximum performance, efficiency, durability, and reliability. Dynomerk offers EV motor test systems that allow engineers to evaluate motor performance under various conditions and measure key parameters such as torque, power, speed, and temperature.

The test systems are designed to simulate real-world driving conditions, including acceleration, deceleration, as well as different road and load conditions. By subjecting the motor to continuous and cyclic loading conditions, the test systems help evaluate motor durability and reliability over time. The data collected from these tests is analysed by the user to identify potential areas of failure and to optimise motor design and performance.

One critical parameter that is measured is the motor efficiency, which is important for optimising motor performance and extending battery life. The EV motor and power-train test systems from Dynomerk are essential tools for evaluating and improving the performance of electric vehicles.


  • Power Range 10 KW to 500kW
  • Torque Flange up to 10000 Nm
  • Speed Range up to 25000 rpm
  • Voltage up to 1000 VDC
  • Current up to 1000 Amp

Tests Performed

  • Efficiency test
  • Load test – Road Load Simulation (RLS) for Performance Test – Max Speed, Max Power, Max Tractive Force
  • WOT Test
  • 30 Min power Test
  • Vehicle simulation with RLS, Gradient & Electrical Inertia simulation.
  • Endurance Test / Durability Test
  • Range test
  • Energy Consumption Test
  • Quick acceleration / deceleration tests (QAD)
  • Temperature rise test (vibration, noise, etc.)

Testing Standards

  • ISO 21782: (Part 1 to Part 7 2019: 2023)Testing standards for Electrically Propelled Road Vehicles & Test Specification for Electric Propulsion Components
  • J1711: HEV/PHEV dynamometer test proceduresRewrite focused on PHEV procedure (published in 2010)
  • J1634: BEV dynamometer test standards (consumption and range)Rewrite for modern BEVS (published in 2012)
  • ISO 23274-2: PHEV dyno testing in depleting mode23274-1 is testing in the sustaining mode (completed in 2012)
  • J2951: Drive Quality Evaluation for Chassis Dynamometer TestingFuel economy variations based upon driver performance (New, published in 2011)
  • J1715: HEV Terminology (“to EREV or not to EREV”)Updated from version several years ago
  • J2711: Dyno testing of MD/HD vehicles including HEVPhase 1 = dyno procedures (Phase 2 & 3 are HIL and “powerpack” testing)


  • AC Asynchronous Dynamometer with customised speed-torque characteristics for various UUT Motors like PMSM, BLDC, AC Induction etc.
  • Four-Quadrant Operation/Braking.
  • Drive Load Simulation with User-Defined Sequence.
  • Close loop controls for Speed & Torque.
  • Inverter communicates via CANBUS.
  • Bi Directional DC Power Supply.
  • Battery Simulation including SOC script and SOD script during advanced battery simulation and Simple battery simulation.
  • Generator testing / Generator simulation.
  • Efficiency Mapping
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