Efficient model for modular multi-level converter simulation
Scholar | Otros documentos del autor: Vidal Albalate, Ricardo; Belenguer Balaguer, Enrique; Beltrán San Segundo, Héctor; Blasco-Giménez, R.
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TítuloEfficient model for modular multi-level converter simulation
Fecha de publicación2016
Versión del editorhttp://www.sciencedirect.com/science/article/pii/S0378475415002141
Detailed models of modular multi-level converters (MMCs) are cumbersome for electromagnetic transient simulation programs because of their high number of components which involve large simulation times. In this work, ... [+]
Detailed models of modular multi-level converters (MMCs) are cumbersome for electromagnetic transient simulation programs because of their high number of components which involve large simulation times. In this work, the modeling of an MMC is addressed with the objective of reducing the simulation time. First, the MMC structure is presented, including the modulation technique, the voltage balancing algorithm and the circulating current control used to validate the model. Next, an efficient simplified model is proposed. This is formed by just one variable voltage source, one variable capacitor and one variable resistor per arm, regardless of the number of submodules. This simplified model allows the simulation time to be reduced while keeping the dynamics of the MMC. The comparison through several PSCAD simulations with a detailed 5-level MMC model proves its validity during both steady-state and transient conditions (ac and dc short-circuits). [-]
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Tipo de documentoinfo:eu-repo/semantics/article
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© 2015 International Association for Mathematics and Computers in Simulation (IMACS). Published by Elsevier B.V. All rights reserved.
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