Small-scale modular multilevel converter for multi-terminal DC networks applications : system control validation

Talon Louokdom, Elie (Laboratory of Electronics, Department of Physics, Faculty of Science, University of Yaoundé, Yaoundé, Cameroon) ; Gavin, Serge (School of Management and Engineering Vaud, HES-SO // University of Applied Sciences Western Switzerland) ; Siemaszko, Daniel (Power Electronics and Systems Consultancy, Geneva, Switzerland) ; Biya-Motto, Frédéric (Laboratory of Electronics, Department of Physics, Faculty of Science, University of Yaoundé, Yaoundé, Cameroon) ; Essimbi Zobo, Bernard (Laboratory of Electronics, Department of Physics, Faculty of Science, University of Yaoundé, Yaoundé, Cameroon) ; Marchesoni, Mario (Department of Electrical, Electronic, Telecommunications Engineering and Naval Architecture, University of Genova, Genova, Italy) ; Carpita, Mauro (School of Management and Engineering Vaud, HES-SO // University of Applied Sciences Western Switzerland)

This paper presents the design and implementation of a digital control system for modular multilevel converters (MMC) and its use in a 5 kW small-scale prototype. To achieve higher system control reliability and multi-functionality, the proposed architecture has been built with an effective split of the control tasks between a master controller and six slave controllers, one for each of the six arms of the converter. The MMC prototype has been used for testing both converter and system-level controls in a reduced-scale laboratory set up of a Multi-Terminal DC transmission network (MTDC). The whole control has been tested to validate the proposed control strategies. The tests performed at system level allowed exploration of the advantages of using an MMC in a MTDC system.


Keywords:
Faculty:
Ingénierie et Architecture
School:
HEIG-VD
Institute:
IESE - Institut d'Energie et Systèmes Electriques
Publisher:
Basel, Beijing, Wuhan, Barcelona, Belgrade, MDPI
Date:
2019-10
Basel, Beijing, Wuhan, Barcelona, Belgrade
MDPI
Pagination:
pp. 487-505
Published in:
Multilevel converters : analysis, modulation, topologies, and applications
Author of the book:
Grandi, Gabriele ; University of Bologna, Bologna, Italy
Ruderman, Alex ; Nazarbayev University, Nur-Sultan, Kazakhstan
DOI:
ISBN:
978-3-03921-482-2
Appears in Collection:



 Record created 2020-09-01, last modified 2020-10-27

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