Automotive powertrain bench

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Dynamic bench for electric, hybrid or combustion powertrains (PWT)

This dynamic test bench (entirely realized by our R&D Department) allows to test a great number of possible combinations without being constrained by the entire structure of the vehicle. To meet the challenges of developing ever cleaner and more energy-efficient vehicles, the powertrain test bench is made to run: thermal,light (48V) or heavy (high voltage) hybrid or all-electric engines.

This flexibility of our bench allows us to respond quickly to the development and tuning needs of car manufacturers and equipment suppliers. Thus, the durability or development tests carried out on this test bench make it possible to validate the chosen architectures in terms of mechanical reliability, pollution and consumption.

 

Banc dynamique pour groupe motopropulsuer GMP et eGMP

Example of our dynamic bench 'B9' - 2 units

Performance of the dynamic bench

  • 2 reversible generators with a sum power of 400 Kw
  • Independent speed control of each generator
  • Driving in rpm, torque or vehicle speed mode
  • Fast monitoring (500Hz acquisition)
  • Fluid conditioning (air, fuel, glycol, oil, etc...)
  • PULSAR control and acquisition software especially design for the powertrain simulator bench
  • Complies with the manufacturers requirements of the vibration levels.

 

Options

  • Gas analysis system: 5 gas analysis bay + EGR
  • Particule analysis system: Pegasor
  • Fumimeter – Opacimeter
  • LMS or SONAR vibration measurement station
  • Battery simulator (if required)
  • Cold Group Thermal Shock (fluids if required)

Machines / generators

  • Maximum torque 2000 Nm from 0 to 1000 RPM for each generator
  • Maximum speed 3000 RPM
  • Maximum power 200 Kw from 1000 RPM to 3000 RPM
  • The direction of rotation is fully reversible manually and automatically

 

Fluid conditioning

  • Fuel conditionner
  • Air temperature and hygrometry
  • Temperature and pressure control of oil and water
  • AVL consumption scale

 

Measurement and control

  • PULSAR control and acquisition
  • Manual and automatic control of the test bench
  • Fast acquisition 500hz
  • Combustion analysis system: Osiris, Indicom
  • ETAS equipment with motor control connection, lambda meter
  • Vibration measurement (optional)

 

Electric Powertrain Bench Configuration (epowertrain only:

100kW 600A /600V Simulator and DC Load Machines:

Rated speed NM A kW rpm Hz Const. Power Speed (rpm)
1532 2338 953 359 1532 500 2800

 

 

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