# HBM Academy: Electric Power Testing Knowledge Base

HBM is a world leader in electrical machine testing for the widest range of markets. Our eDrive solution provides the highest level of accuracy for powertrain testing. In this knowledge hub, we have curated the most interesting and educational videos, webinars, and articles on electric power testing.

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## News

### 15-Minute Lunch & Learn: Electric Power Testing

Live and on-demand sessions

Grab a cup of coffee, turn on the volume, and join our experts during one of our 15 minute online lunch & learn meetings! Sign up for free to three interesting topics on electric power testing.

### New Family of Power Analyzers

Carrying out professional testing of electric drives is now a much simpler process for engineers with the launch of a brand-new family of real-time Power Analyzers

## Videos and Tutorials

### Electric Power Testing Videos & Tutorials

Analyze electrical machine data in minutes by watching how-to videos and tutorials with HBM's eDrive power analyzer solutions.

### Reducing cogging, transient torque, torque ripple

Measuring torque is essential for different kind of tests and applications. Especially in electric-machine testing, it is important to understand the effiency and dynamics. However, torque is not a static value: therefore, measuring torque with a high accuracy is crucial. A high-bandwidth torque measurement is also needed to understand what happens instantaneously. This could be: cogging torque for a steady state operation, torque response during loading Torque during control changes. But what happens exactly during the measurement and how can cogging torque, torque ripple and other characteristics be measured and reduced?

## White Papers and Articles

### Electric Power Testing Articles

Blog posts, white papers, tech notes and more: learn all about electric power testing!

### What is a Power Analyzer?

A power analyzer is used to measure the flow of power (w) in an electrical system. This refers to the rate of electrical transferral between a power source and a sink, hence the alternative expression of power as energy per second (J/s). Measuring power flow is a critical yet rudimentary process that can be carried out with consummate ease using a standard power analyzer. More advanced systems acquire electrical signals and carry out integrated calculations for additional, complex analysis.

## Live Webinars and Training

### Electric Power Testing Webinars

Join our experts for short 15-30 minute presentations on electric power topics: from powertrain testing, to torque ripple and measurement uncertainty. The webinars are filled with tips and tricks and allow for an interactive feedback session.

## Customer Application Stories

### Schabmüller: Combining LabVIEW with eDrive

Together with HBM, Schabmüller has developed a new test-bench for a new type of drive and benefits from precise and cycle-accurate testing equipment.

### GreenMot: Testing of electric and hybrid Drives

HBM provides DAQ systems for GreenMot, a French company testing electric and hybrid vehicles

### Bertrandt: Makes its Electric Motors More Efficien

More efficient electric motors through accurate analysis of the drive using raw data with HBM eDrive system

### The complete measurement chain for testing cables

Cables on electrical charging stations must withstand a variety of loads, yet work reliably over a long period of time. HUBER + SUHNER, the world leader in interconnect technology, uses state-of-the-art automated test rigs with robots to test its cables, able to appraise a wide variety of load cases. The complete measuring chain from HBM is used for acquiring the necessary measurement data with large data volumes and high precision requirements.

## Electric Power Solutions and Products

### Electrical Machine & Powertrain Testing

HBM eDrive Testing is the modern measuring system for testing inverters and electrical machines. Users in electrification testing benefit from significant advantages over the use of a conventional power analyzer.

### Electric Power Testing - Overview

HBM provides the entire measurement chain for electrical power testing - from electrical machine testing to high voltage and complex inverter control testing. Our solution covers sensors, hardware, and software for testing electrical inverters and electrical machines. Mechanical signals (e.g. torque) and electrical signals (current and voltage) are acquired simultaneously, helping you to better understand the electric drive and its losses within minutes. This is important for the optimization of the drive as well as the increase in efficiency.

### eDrive Product Overview

The HBM eDrive series of products are tailored for power measurement at inverters and inverter driven machines. Thus, they utilize high sample rates and both electrical as well as mechanical power calculation capabilities.

## Become Part of the e-Power Community and Receive Tips and Tricks On How to Optimize Your Test Setup

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