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Innovative e-drive testing shows motor efficiencies and losses

HBM : 06 November, 2016  (New Product)
HBM is exhibiting its powerful new eDrive testing system, together with a range of data acquisition systems and sensors at the 2016 Automotive Testing Show on the 8 and 9 December.
Innovative e-drive testing shows motor efficiencies and losses

Taking place at the Millbrook Proving Ground in Bedford, HBM is exhibiting its state of the art range of vehicle mounted test equipment to demonstrate the capture of data in real testing scenarios within the automotive industry.

As test engineers require highly precise and repeatable test results, which often need to be acquired in adverse and harsh conditions, testing vehicles can often present a challenge. However, with more and more emphasis being placed on improving performance, the need to utilise a modern data acquisition system which offers a reliable and robust measurement capability, which can be easily adapted to perform a variety of measurement tasks, under a variety of conditions, seems to be the most obvious solution – good measurement data is, after all, essential for optimising designs.

HBM is exhibiting models, such as the eDrive test rig for display of electrical and mechanical motor efficiencies and losses. Also on display is a motor test bench, which displays measured values of torque, displacement and pressure using the T22 torque transducer, WI displacement transducer, P8 pressure transducer and QuantumX Data Acquisition System.

The innovative eDrive Test System from HBM is a robust, integrated system for measuring the performance and efficiency of electric motors and inverters.  The eDrive testing solution combines HBM’s T12 or T40 Torque Sensor, the most accurate torque transducers in each respective class; the GEN3i Data Acquisition System; and, as an option, the Quantum 1609B Temperature Satellite, to provide synchronous, dynamic and continuous acquisition of mechanical and electrical signals from an electric drive system.  In addition to making temperature, torque and rotational measurements, the eDrive testing solution from HBM can also make measurements from as many as 18 current and voltage channels at voltages up to 1000 V, at a sampling rate of up to 2MS/s.

Furthermore, the system incorporates an intuitive eDrive software GUI which has been developed exclusively for electric motor and inverter testing and for noise immunity.

In addition to providing raw data, the new system from HBM provides real-time results, such as true, reactive and apparent power and efficiency calculations.

“HBM’s eDrive package is the only completely integrated test solution on the market that allows engineers to record, verify and study both electrical and mechanical parameters under dynamic conditions”, comments Mike Hoyer, HBM Applications Engineer.

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