Abstract
This paper presents the design of the current control loop of a three-phase voltage source converter (VSC) connected to the grid by applying the Quantitative Feedback Theory (QFT). This technique allows a robust controller design able to maximize performance for a certain previously known uncertainty and it creates faster and lower order controller than other robust techniques. In this work, the QFT technique has been adapted to achieve sine-wave reference tracking. The obtained experimental results verify the theoretical development.
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