Test Benches and Equipment

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Within the Institute’s testing facilities, all electric machines from low power applications to modern traction drives can be characterized. Thanks to the 35 individual test benches, even complex test setups can be operated in parallel. Electrical power can be supplied at typical AC voltage levels (400 V / 690 V 3 phases) or at variable DC voltage levels up to 800 V. A central water-cooling system and different conditioning devices to control coolant flowrates and temperatures during the tests can be used. With our extensive measurement equipment, all relevant electrical, mechanical and thermal quantities can be recorded. Additionally, sound measurements of electric machines with suppressed ambient noise can be performed in the IEM AcousticLab.

In addition, the characterization of materials used in electric machines is vital for our research work. For that reason, two dedicated material research laboratories are operated at our institute: The MagLab for characterization of magnetic materials and the IsoLab to investigate insulation systems.

Test benches of the Institute of Electrical Machines
Test Benches - Rotating Machines Properties Further Information
Test Bench for Vehicle Axles

Nominal Power: 190 kW

Nominal Torque: 2268 Nm

Max. Speed: 3300 U/min

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Test Bench for High-Speed Drives at the RWTH Aachen University Electromobility Laboratory (eLab)​

Nominal Power: 140 kW

Nominal Torque: 220 Nm

Max. Speed: 18000 U/min

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Virtual View

Test Bench for Traction Drives

Nominal Power: 94 kW

Nominal Torque: 449 Nm

Max. Speed: 7500 U/min

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Test Bench for Variable Speed Range

Nominal Power: 63 kW

Nominal Torque: 480 Nm

Max. Speed: 5000 U/min

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Test Bench for Highly Dynamic Torque Control

Nominal Power: 35 kW

Nominal Torque: 110 Nm

Max. Speed: 3600 U/min

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Servo Drive Test Bench for Machine Controls

Nominal Power: 11 kW

Nominal Torque: 35 Nm

Max. Speed: 8000 U/min

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50 000 rpm Small Machine Test Benches

Nominal Power: 11 kW

Nominal Torque: 2 Nm

Nominal Speed: 54600 U/min

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Test Benches - Transformers Further Information
Large Power Phase Shifting Transformers

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Test Benches - Magnetic Measurement Further Information

Magnetic Measurement and Testing Equipment for the Characterization of Soft Magnetic Materials

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Magnetically Levitated Conveyor Vehicle

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Test Bench for Small Scale Magnetically Levitated Train Download
Test Benches - Wind Power Further Information
4 MW System Test Bench at the Center for Wind Power Drives, CWD for short Download
Test Bench for Simulation of Wind Power Drive Systems

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Test Benches - Lifetime Analysis and Insulating Materials

Further Information
Materials Laboratory for Lifetime Analysis of Insulation Systems in Electrical Machines Download
Motorettes and Impregnation Methods Download
Voltage Step Generator for Electrical Ageing of Winding Insulation of Electrical Machines

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Test Benches - Machine Analysis

weitere Informationen
Test Bench for Modal Analysis and Noise Vibrations and Harshness, NVH for short Download
Test Bench for High-Speed Rotor Deformation Measurements Download
Test Bench for Cogging Torque Measurement in Permanent Magnet - Machines Download

Simulator for Manufacturing Deviations

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Test Benches - Technology Further Information

Mobile Measurement and Control Cabinet

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Battery Simulator as Power Supply

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