The inverter is an intelligent mini-computer in electrified and electric vehicles. Together with battery and e-motor, they form the basis for the final driving experience. But, before all these components are tested together, every single one should be developed and validated on a dedicated test system. The frontloading of tests leads to shortened integration tests and therefore shorter time to market.
The inverter controls and monitors all driving conditions and the vehicle’s safety-critical functionalities. Power electronics, in combination with a high level of signal complexity, require an appropriate test methodology and the use of adequate testing equipment.
The AVL Inverter TS™ enables independent testing of the inverter while optimizing the integration with all other components in the electrified powertrain. The test system is based on e-motor emulation technology with real-time simulation. This leads to highly accurate results when testing the inverter with required battery voltage and e-motor current. For such a testing setup, exact copies of the e-motor and the battery are required.
Within the AVL Inverter TS™, the e-motor is replaced very accurately with the Power Amplifier Cabinet (PAC) and the Signal Processing Cabinet (SPC). The UUT DC Supply Cabinet (USC) represents a digital copy of the battery. As a result, an efficient and flexible test equipment for the testing of inverters is available, which – in contrast to an active load cabinet – emulates with highest accuracy the real physics of an e-motor directly at the terminals.
The emulated e-motor must behave exactly like a real e-motor. Software tools are developed to ensure the optimal use of the test systems over their entire performance range and to render our specialist’s knowledge available for customers over a broad scope. They make it possible to configure a machine model correctly and quickly, without the need for deep expert knowledge. Additionally, these tools facilitate seamless integration with existing systems, enhancing overall efficiency. This ensures that even complex testing scenarios can be managed with ease and precision.
It is important to us to provide our customers not just with individual parts, but with a state-of-the-art, complete test system that is based on years of application know-how and thus enables our customers to use a highly efficient test methodology.”
– Dr. Tobias Schelter, Managing Director, AVL SET GmbH
We provide reliable and reproducible test results globally, with comprehensive test methodology and state-of-the-art products. Our solutions offer flexible, accurate, and fast mapping of all common motor concepts, and include emulating fault situations and inverter behavior testing.
This ensures thorough validation and optimization of your systems under development. Additionally, our global presence guarantees consistent support and expertise wherever you are. Learn more about our global presence and service network below.
AVL offers comprehensive software solutions to optimize your inverter testing performance. Our holistic approach combines lab efficiency through automation, test optimization via virtualization for faster and reliable results, and advanced data analytics using AI to extract valuable insights from various sources.
Additionally, our solutions are designed to seamlessly integrate with your existing systems, ensuring a smooth transition and minimal disruption. This will help you get your products to market faster while ensuring high-quality performance. Learn more about AVL’s approach and explore our software solutions to optimize your inverter testing process now.
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The AVL Customer Services organization consists of more than 700 service- and application engineers worldwide, operating from more than 50 locations. Our global footprint is your local benefit.
For every form of e-mobility, we offer in-depth expertise and comprehensive solutions for development, testing, and validation – from component to complete system, software, worldwide services and complete tech center solutions.
Transform your e-mobility analysis with AVL CONCERTO 6™, featuring fast data access, AI-driven technologies, advanced visualizations and calculations, and auto-generated reports for superior performance and precise insights.
The perfect hardware for AVL’s leading automation system
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AVL’s comprehensive worldwide network of experts allows best customer vicinity, ensuring consistent and connecting testing fields globally. Wherever your R&D challenges take you, we are always close at hand, ready to provide the service you need.
> 70
years of experience
> 5,000
employees worldwide for testing solutions
> 30
countries covered by the global network
> 7,000
testbeds installed worldwide
> 80
turnkey projects
In this webinar a game-changing test environment is presented where the battery and e-motor are replaced with emulators, which are controlled from a powerful automation system.
AVL RACETECH, the motorsport department of AVL, presents the prototype of an innovative H2 internal combustion engine. The power unit is a compact, hydrogen-powered 2-liter turbo engine, with intelligent water injection, which achieves a totally new performance level. The first racing engine that AVL RACETECH is developing and building in-house.
