Calculation of the number of modules and the switching frequency of a modular multilevel converter using near level control
This paper is focused on the modular multilevel converter (MMC) topology that uses the near level control (NLC) method. Specifically, it addresses the relationship between the number of levels or switching modules, the switching frequency and the harmonics superimposed on the generated voltages and...
| Autores: | , , , , |
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| Formato: | artículo |
| Estado: | Versión aceptada para publicación |
| Fecha de publicación: | 2018 |
| País: | España |
| Recursos: | Universidad Politécnica de Cartagena(UPCT) |
| Repositorio: | Repositorio Digital UPCT |
| OAI Identifier: | oai:repositorio.upct.es:10317/13017 |
| Acesso em linha: | http://hdl.handle.net/10317/13017 https://www.sciencedirect.com/science/article/pii/S0378779618302645?via%3Dihub |
| Access Level: | acceso abierto |
| Palavra-chave: | High voltage direct current (HVDC) Modular multilevel converter (MMC) Multilevel Near level control (NLC) Near level modulation (NLM) Electrónica Tecnología Electrónica 2203 Electrónica |
| Resumo: | This paper is focused on the modular multilevel converter (MMC) topology that uses the near level control (NLC) method. Specifically, it addresses the relationship between the number of levels or switching modules, the switching frequency and the harmonics superimposed on the generated voltages and currents, making a comparison with the high and medium voltage AC codes. Furthermore, it also assesses the possibility of connecting the MMC to the electrical grid without using any coupling inductor, either using a transformer or simply directly. Finally, it shows how to automate the simulations necessary to select the number of levels and the switching frequency. |
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