Product

AVL DynoULTRA™ PMM

Foot-mounted permanent magnet dynamometers with maximum measurement accuracy.
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The pressure resulting from shortening development times coupled with higher levels of testing complexity is increasing, as are the demands on test cells and dynamometers. Dynamometers are the main element in a test cell. They are also the components exposed to the harshest working conditions. The AVL DynoULTRA™ PMM is a development tool specially designed to satisfy today’s and tomorrow’s testing needs. It meets the strict requirement for high performance and speed, while keeping the focus on reliability and robustness.

The DynoULTRA™ PMM series offers powerful synchronous motors and power cabinets to facilitate the highest dynamic torque and speed-controlled operations. Our tools are built on a foundation of long-term design experience and have been perfected using the valuable feedback from demanding customers. By keeping the mechanical elements largely identical, our modular approach allows you to use different dynamometer performance classes. This reduces the number of testbed versions and increases adaptability. Additionally, the integrated, high-precision torque and speed measuring instruments in the DynoULTRA™ PMM load system help you to tackle critical performance areas.

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Excellent Electrical and Mechanical Properties

The wide variety of modern drive systems demand dynamometers that are equipped with precise measurement devices while boasting high technological quality and maximum reliability. AVL dynamometers meet these requirements in an optimal way. Our dynamometers are characterized by their high nominal torque and overload capability. This paves the way to run legislative emission cycles, including Real Driving Emissions (RDE) calibration. The frontloading of RDE testing allows the accumulation of crucial design findings in the early development stages. On top of this, the applications of the system include function tests on the engine testbed as well as real-time simulation of the powertrain and the vehicle.

Property Unit

Nom. Power (absorbing)

90 – 800 kW
Nom. Torque (absorbing) 300 – 4,000 Nm
Max. Speed 2,500 – 20,000 rpm
Rotor Inertia 0.053 – 1.300 kgm²
Overload up to 100%

 

Robust Design

Maximum robustness thanks to a bearing design that permits endurance tests at maximum speed.

Maximum Performance

Robust and modular testbed design for operation at maximum performance with the lowest possible vibration levels.

Highest Accuracy

Very accurate speed control at low speed for UUT torque ripple optimization.

AVL DynoULTRA™ PMM for E-Drive Testing

This AVL e-drive solution is a synchronous permanent magnet dynamometer driven by a 4Q-frequency high-performance converter. It serves as the basis for the complete development, testing, verification and validation environment for electric drives. Thanks to the excellent electrical and mechanical properties of the dynamometer as well as the fast control capabilities of the converter, performing realistic testing tasks and load alternations of current and future Units Under Test (UUT) has never been so easy.

AVL DynoULTRA™ PMM for Engine Testing

Versatility has become increasingly important in the world of engine testbeds. Various frame layouts enable us to supply you with the right solutions for every possible exhaust system. Beside trapeze and I-frame, the load systems are also available with a portal frame. If the original exhaust aftertreatment system is installed on the testbed, AVL DynoULTRA™ PMM can provide the best fit for the longitudinal combustion engine setup.

The innovative cooling concept of the DynoULTRA™ PMM reduces the temperature impact on the torque flange. This, combined with the low shaft weight, results in reduced parasitic loads and the highest possible torque measurement accuracy. It is the ideal platform for tackling challenging testing applications in the high-performance area. In addition, it retains “true-to-original” conditions for the Unit Under Test (UUT).

AVL DynoULTRA™ PMM for Powertrain Testing

Powertrain calibration, concept verification and system validation can all be performed with high reproducibility early in development, without a prototype vehicle. With the inertia of the load system closely matching wheel inertia, the replication of the acceleration rates of a wheel on ice is possible. The fast and accurate torque control results in a perfect match to every test case. By enabling the simulation of dynamic vehicle parameters, the DynoULTRA™ PMM delivers versatility at every stage of development – from concept to SoP. Furthermore, the system features a highly robust special bearing concept. This enables maximum availability and a long lifetime for reduced lifetime costs.

AVL E-Mobility Testing Solutions – Brochure

Tested and Trusted.

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AVL DynoULTRA™ PMM for E-Motor Testing – Solution Sheet

Load system with foot-mounted permanent magnet dynamometers.

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AVL DynoULTRA™ PMM for Engine Testing – Solution Sheet

Load system with foot-mounted permanent magnet dynamometers.

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