Electrical Machine Testing

Understanding your electric machine and its losses better, gaining more accurate insights than before without losing time – HBK’s testing solutions are designed for measuring and analysing dynamic machine behaviour.

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Gain the competitive edge in electrification with HBK Power Analyzers. Designed specifically for the testing of electrical machines and inverters, HBK systems offer significant benefits over conventional power analysers when it comes to electrical machine and powertrain testing.

Premium electrical machine testing from HBK comes in the form of the eDrive solution, which covers the entire measurement chain: high-precision sensors, powerful instruments, and intuitive software. Mechanical signals (e.g. torque) and electrical signals (current and voltage) are acquired simultaneously, helping engineers to better understand the electrical drive and its losses faster and more accurately than ever before.

Two critical selling points of the eDrive electrical machine testing solution include:

High accuracy Power Analyzer: Measures and calculates electrical signals and power in real-time on up to 51 channels, as well as mechanical power with up to 6 torque / speed signals and a typical Base Power Accuracy of 0.02%.
High performance Data Acquisition System (DAQ): Synchronous and continuous recording of electrical signals, torque, speed, temperature, acceleration, CAN bus and much more. Real time or post process analysis for result verification, mappings or advanced analysis like electrical and NVH correlations.

The two main aspects of the HBK solution:

High accuracy Power Analyser: Measures and calculates electrical signals and power in real-time on up to 51 channels, as well as mechanical power with up to 6 torque / speed signals and a typical Base Power Accuracy of 0.02%.
High performance Data Acquisition System (DAQ): Synchronous and continuous recording of electrical signals, torque, speed, temperature, acceleration, CAN bus and much more. Real time or post process analysis for result verification, mappings or advanced analysis like electrical and NVH correlations.

From Component to Vehicle Energy Management

Efficiency Determination for Electric Motors and Generators

In a net zero future, renewable energy generation, electric personal cars, commercial vehicles, aircrafts with battery-electric drive systems and ships with electric engines will dominate. This white paper shows how to achieve a better efficiency determination of electric motors and generators by better cross-connection of mechanical and electrical side to reduce the total measurement uncertainty.

Download White Paper download

Easy to Expand Beyond 3 Phases

Expand to 51 power channels for multi-phase systems or multi-motor powertrain testing applications
Upgrade to up to 6 torque / speed inputs for up to 6 mechanical power channels
Adapt custom user formulas for special applications such as multi-level inverters

One System for All Tasks

Designed for electrical machine testing (i.e. motor testing or electrification)
Features channels for electrical and mechanical values
Compatible with accelerometer, temperature, and CAN inputs
Samples all signals and storage in a data file simultaneously
Acquire raw data per set point or continuous storage for start-up power analysis

Efficiency Mapping in Minutes

Real-time formulae input for special evaluations, e.g. cable losses
Fast mapping by shortest measuring times per set point
Real-time analysis such as space vector and dq0 transformation
Raw data storage enables advanced analyses such as iron loss, copper loss maps, or MTPA curves

A power analyzer for 6-phase machines or hybrid drives

An integrated system that replaces a variety of different devices

Save several hours of time by completing your analysis right at the test stand

Electrical Machine and Powertrain Testing

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Standard field test
CAN bus driven

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The eDrive solution from HBK covers the entire measurement chain: high-precision sensors, powerful instruments and intuitive software. Mechanical signals (e.g. torque) and electrical signals (current and voltage) are acquired simultaneously and help engineers to better understand the electrical drive and its losses faster and more accurately than ever before.

Test engineers performing high-speed power measurements of inverter-driven electric machines can now combine CAN bus control signals with data about electrical (current, voltage) and mechanical (speed, torque) signals. The simultaneous storage of all types of data by a single Power Analyzer enables faster and more flexible set-up of test benches.

CAN – a Simple and Effective Way to Manage Complex Tests

CAN bus support means you can acquire or transfer data via CAN or CAN FD formats, as required; or manage experiments via CAN bus control commands.

Calibrate

Compare and correlate the measured values of the machine with what the machine’s controller is estimating, by bringing external sensor signals into the Power Analyzer. Save all signals to a single file for review, post-processing and auditability.

Records up to 1.000 input signals via CAN / 500 via CAN FD
up to 4 input ports from the CAN bus into the GEN DAQ mainframe
includes stand-alone recording and local storage

Transfer

Provide feedback for the automation system by transferring calculated results of machine measurements into a different data system (e.g. the dynamometer).

Transfer via CAN or CAN FD
up to 1000 result blocks/sec
includes up to 240 asynchronous results per block

Control

A familiar interface which provides simple and easy-to-use controls for data acquisition.

Receive remote control commands from the CAN bus (e.g. START or TRIGGER)
transfer status information to the CAN bus (e.g. IDLE or RECORD)

Faster, More Flexible Set-up of Test Benches

Extending the scope of eDrive Power Analyzers to include CAN bus data gives Test Engineers three major advantages:

Speed of data handling, and the ability to identify any variations between the target values sent from the ECU via the CAN bus to the inverter and the actual values captured by direct measurement
Flexibility for data acquisition, adding signals from the CAN bus and ease of handling test results
Simplicity when building test stands, as data transfer and control is done via one common bus

The CAN bus interface is available as an option for new hardware and as an upgrade for most HBK Power Analyzers already in the field.

How to Interface with Genesis HighSpeed and/or Perception

Would you like to integrate the HBK eDrive electrical machine testing solution into your test stand automation? Perception software and/or the Genesis HighSpeed hardware can be used in your specific environment, in exactly the way you want.

Several large system integrators already did integrate eDrive, using one or more of the interfaces available:

EtherCAT or CAN FD for hardware-based data transfer with up to 1000 result blocks/s in real time
API interfaces to directly control the hardware as well as the Perception software from common automation software packages
The nCode GlyphWorks software for post-acquisition signal processing and power calculation
Data reader dll to read the data into any 3rd party analysis software like MATLAB or LabVIEW.
So, integration is a breeze, using the powerful tools available.

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HBK eDrive Testing Product Literature

Title / Description	Language
eDrive Testing - Brochure	English
eDrive Testing - Broschüre	English
eDrive Testing - Brochure	English
eDrive Testing - ブローシャー	English
Perception eDrive option - Data Sheet	English
Perception eDrive - Quick Start Guide	English
Perception eDrive - Kurzanleitung	English
Perception eDrive - User Manual	English
eDrive Power Analyzer Family Overview - Brochure	English
eDrive Power Analyzer Family Overview - Broschüre	English
eDrive Power Analyzer Family Overview - Opuscolo	English
eDrive Power Analyzer Family Overview - Folleto	English
eDrive Power Analyzer Family Overview - 小冊	English
eDrive Power Analyzer Family Overview - 브로셔	English
eDrive Power Analyzer Family Overview - Folheto	English
eDrive Power Analyzer Family Overview - ブローシャー	English
eDrive Power Analyzer Family Overview - Brochure	English

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Electrical Machine Testing

Efficiency Determination for Electric Motors and Generators

Easy to Expand Beyond 3 Phases

One System for All Tasks

Efficiency Mapping in Minutes

Electrical Machine and Powertrain Testing

CAN – a Simple and Effective Way to Manage Complex Tests

Calibrate

Transfer

Control

Faster, More Flexible Set-up of Test Benches

How to Interface with Genesis HighSpeed and/or Perception

HBK eDrive Testing Product Literature

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