6 Reasons for Rapid Adoption of HIL Testing for Variable Frequency Drives

Posted by Ivan Celanovic on May 14, 2020 11:39:22 AM

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  • Software is becoming a key value generator for Variable Frequency Drives
  • New control algorithm development is driven by new motor designs, new semiconductor switches, and more powerful processors
  • System level interoperability requirements are constantly expanding
  • Modular power converter design has become a standard
  • Grid code compliance is becoming a requirement
  • Software lifecycle maintenance complexity is exploding
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Topics: C-HIL, controller hardware in the loop, hardware in the loop, HIL, Energy, smart grid converters, HIL simulation, motor drives, variable speed drives

4th Generation HIL: Built for the most advanced motor drive applications

Posted by Dusan Majstorovic on Apr 2, 2020 2:45:00 AM

  • Ultra-high fidelity redefined.
  • 200ns simulation time step.
  • 3.5 ns digital input sampling.
  • The most accurate 100kHz Dual-active bridge (DAB) model.
  • JMAG-RT FEM machine model import.
  • HIL connectivity exploded: USB3.0, Ethernet, GB/s serial link, JTAG, General Purpose IO (GPIO)


While automotive and aerospace industries have already adopted model based HIL testing, power electronics industry is only playing a catch up. The good news is that the 4th generation HIL is delivering the unprecedented model fidelity needed for the most advanced motor drives and automotive power electronics applications.

High switching frequency converters, new wide-bandgap semiconductors, and new topologies are fueling the need for next generation controllers that are demanding HIL testing with ever smaller simulation time steps; faster gate drive sampling times; smaller loop-back latencies; and increasing model fidelity (including nonlinearities, spatial harmonics etc.).

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Topics: C-HIL, controller hardware in the loop, HIL, smart grid converters, power electronics design, controller design, HIL simulation, motor drives

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