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Power electronics development

AVL Power HiL

A Highly efficient test method for validating power electronics

As the automotive industry continues its transformation toward the electrified powertrain, new tools are needed for the development, testing, calibration and validation of electrical systems. This includes both high voltage and low voltage power electronics.

At AVL we have been an industry partner for more than 70 years, and this includes decades of experience in testing power electronics, such as inverters and DC/DC converters. We have a portfolio of cutting-edge tools and solutions to help you reach your development goals, including the AVL Power HiL system.

Quick, Convenient, Accurate

Consisting of an electrical machine emulator and a battery emulator, Power HiL lets you conduct automated high-voltage and low-voltage tests by simulating the vehicle and its ancillary units. It does this using residual bus simulation and a cooling circuit.

Current and voltage values are emulated in real time across all four quadrants. Testing is incredibly precise thanks to highly dynamic power amplifiers operating in a wide range, including failure simulation. Employed in early development phases, our test methods are not only cost effective, but will save you time during the power electronic validation.

Power HiL features DUT protection with electronic limits and enhances security by eliminating rotating or vibrating components. It can reduce energy consumption thanks to its optimized energy flow in the emulator network.

Technical Facts

  • Number of phase lines: 3/6
  • Voltage supply: up to 1000 VDC
  • Phase current: up to 1200 Arms
  • Emulated power: up to 320 kW
  • E-machine models: ASM and PMSM
  • Interfaces: ETK / XETK / FETK / CAN / CANFD / Flexray


Together with the automation system AVL PUMA 2™ Inverter and the power analyzer AVL X-ion™ e-Power, Power HiL is the optimal inverter testing system. As a development tool, Power HiL offers efficient testing and is well suited for a wide range of applications and investigations. These include:

  • Hardware and software commissioning
  • Software diagnostics
  • High voltage safety evaluation
  • Efficiency measurement
  • Interaction between LV and HV
  • Thermal verification
  • Standardized tests, such as LV123 and LV 124