SYS-CON MEDIA Authors: Pat Romanski, Elizabeth White, Yeshim Deniz, Glenn Rossman, Cynthia Dunlop

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HBM Launches an Integrated eDrive Test System for Electric Motor and Inverter Analysis

HBM, Inc. (www.hbm.com), a leading manufacturer of data acquisition systems, analysis and calibration software, strain gauges, and transducers and sensors, has introduced a new solution for eDrive testing, a powerful, integrated system for measuring the performance and efficiency of electric motors and inverters.

Making the measurements necessary to increase the efficiency of an electric drive train used to be a real chore. Typically, a power analyzer is used to make these measurements, but while these instruments do provide calculated results, they do not provide the raw data that engineers actually need.

“HBM’s new 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,” said Mike Hoyer, HBM applications engineer.

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 can make measurements from as many as 18 current and voltage channels at voltages up to 1,000 V, at a sampling rate of up to 2 MS/s.

The system incorporates an intuitive eDrive software GUI developed exclusively for electric motor and inverter testing. For noise immunity, optional high voltage 2-wire shielded cables with safety banana connectors are provided in various lengths ensuring improved signal integrity. For additional safety from high voltages and currents, an optical Ethernet interface offers complete display and control from a remote location or control room via an external PC.

The mechanical torque and rotational signals are recorded by the use of a rotating torque sensor with an integral slotted disc for speed sensing.

The system not only provides the raw data, but real-time analysis as well. Included with the system is powerful software that provides a complete characterization of an electrical drive train. The software analyzes the raw data and displays real time results, such as true, reactive and apparent power and efficiency calculations. It also allows for more extensive verification and analysis of the corresponding raw data. A freely programmable formula database can be used to determine equivalent circuit diagrams, calculate air gap or cogging torques for motor analysis plus calculation for space vector, part transformation and THD to analyze inverter behavior.

More information can be found at http://www.hbm.com/en/menu/applications/edrive-testing/ or by contacting HBM at:

HBM, Inc.
19 Bartlett Street
Marlborough, MA 01752
Tel: 800-578-4260
Fax: 508-485-7480
Sales Email: [email protected]
Support Email: [email protected]
Website: www.hbm.com

About HBM, Inc.

For more than 60 years, the name HBM stands for reliability, precision and innovation all over the world. HBM offers products and services for an extensive range of measurement applications in many industries. Users worldwide rely on the perfectly matched components of the measurement chain that guarantees maximum accuracy of measurement results and enables optimization of the complete product life cycle, from the development through the testing stages, as well as in manufacturing and production. Their product range covers sensors, transducers, gauges, amplifiers and data acquisition systems as well as software for structural durability investigations, tests and analysis. The potential fields of application can be found in every branch of engineering in both virtual and physical test and measurement.

HBM has 27 subsidiaries and sales offices in Europe, the Americas and Asia. HBM also has representatives in another 40 countries around the world. In addition to headquarters in Darmstadt, Germany, other HBM production facilities are located in Marlboro, Massachusetts, and Suzhou, China.

Click here for link to high resolution image: http://www.ggcomm.com/HBM/eDrive_hr.jpg

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