What is it about?
Keeping the dc-link voltage in the back-to-back converter constant is very important. We propose a method that keep the converter currents within the permissible range in addition to eliminating voltage oscillations in asymmetrical faults.
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Why is it important?
We provide a fixed-structure controller in all conditions, even in the most severe faults, which is able to maintain system stability and eliminate disturbances without the need for additional equipment.
Perspectives
I hope this article help dear readers to understand the different conditions of systems such as renewable energy systems, HVDC systems and so on, witch using back-to-back converter and to evaluate the problem-solving strategies associated with converter control.
Mohammad Ghadimi
Shahed University
Read the Original
This page is a summary of: Optimal Tracking Control for Asymmetrical Fault Ride Through in the Back-to-Back Converters, IET Renewable Power Generation, February 2020, the Institution of Engineering and Technology (the IET),
DOI: 10.1049/iet-rpg.2019.0366.
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