Multivariable analysis and control of a VSC back-to-back converter interfacing two AC systems
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Universidade Federal de Minas Gerais
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This work analyses a voltage source back-to-back converter interfacing two alternating current systems from a multivariable perspective. Since the plant is not functionally controllable, frequency-dependent relative gain array analysis is carried out to aid in the choice of the most suitable variables to be controlled in a specific frequency range. This analysis is crucial to choose the low- and high-frequency controllers. A systematic approach is developed to tune a centralized optimal control. Validation of theoretical analysis and proposed multiple-input multiple-output (MIMO) control law is performed through experimental results.
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Back-to-Back Converter, Multivariable Optimal Control, Multivariable analysis of back-to-back converter. Multivariable optimal control design. Frequency-dependent relative gain array analysis., Back-to-back converter, Multivariable optimal control, Frequency-dependent relative gain array
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https://www.sciencedirect.com/science/article/pii/S0378779623001402