Hardware-In-The-Loop System Eases Development And Testing Of Grid-Connected Power Electronics Applications

Focus:

Typhoon HIL provides a uniform environment for evaluation of requirements relevant to the performance, operation, and testing of the grid-connected converter’s control system. The key component in such an environment is a hardware-in-the-loop (HIL) emulator, which executes in real-time a mathematical model representing the real power electronics converter and the grid system, while the real-time control code is executed on real controller hardware that interfaces directly with the HIL emulator. This article demonstrates some of the ways in which the Typhoon’s HIL emulation hardware (with 1-microsecond time step) and related software tool-chain offer advanced development and testing capabilities to manufacturers of grid-connected converter systems. Along with enabling faster product development, this emulation platform eliminates the need for expensive hardware test equipment traditionally used for grid simulation. As their design example, the authors show how the HIL platform was used to evaluate the power electronics circuit and corresponding control strategy for a PV three-phase grid-inverter application. This example makes use of TI’s TMS320F2808 controller board.

What you’ll learn:

• How to understand the benefits of hardware-in-the-loop emulation in the design of grid- tied power inverters
• How to evaluate the controller design for a grid-tied power inverter using the Typhoon HIL 400 high-fidelity emulator
• How to use Typhoon HIL emulation platform ‘s test environment to automate test development for grid-connected inverters to help meet varying regulatory requirements

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Author & Publication:

Evgenije Adzic, Vlado Porobic and Nikola Celanovic, Typho on HIL, Novi Sad, Serbia, How2Power Today, Jan 18 2013

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