Modelling of Series Resonant Converter based on the Discrete Time Domain Modelling Approach for Offshore DC Wind Power Plant

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Abstract

This paper focuses on the modelling of the series resonant converter proposed as a DC/DC converter for DC wind turbines. The closed-loop control design based on the discrete time domain modelling technique for the converter (named SRC#) operated in continuous-conduction mode (CCM) is investigated. To facilitate dynamic analysis and design of control structure, the design process includes derivation of linearized state-space equations, design of closed-loop control structure, and design of gain scheduling controller. The analytical results of system are verified in z-domain by comparison of circuit simulator response (in PLECS™) to changes in pulse frequency and disturbances in input and output voltages and show a good agreement. Furthermore, the test results also give enough supporting arguments to proposed control design.
Original languageEnglish
JournalJournal of Electrical and Computer Engineering
Pages (from-to)1-18
ISSN2090-0147
Publication statusSubmitted - 2020

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