Preprint Article Version 2 This version is not peer-reviewed

Small Scale Modular Multilevel Converter for Multi Terminal DC Networks Applications: System Control Validation

Version 1 : Received: 16 May 2018 / Approved: 17 May 2018 / Online: 17 May 2018 (11:36:40 CEST)
Version 2 : Received: 13 June 2018 / Approved: 14 June 2018 / Online: 14 June 2018 (03:17:20 CEST)

A peer-reviewed article of this Preprint also exists.

Talon Louokdom, E.; Gavin, S.; Siemaszko, D.; Biya-Motto, F.; Essimbi Zobo, B.; Marchesoni, M.; Carpita, M. Small-Scale Modular Multilevel Converter for Multi-Terminal DC Networks Applications: System Control Validation. Energies 2018, 11, 1690. Talon Louokdom, E.; Gavin, S.; Siemaszko, D.; Biya-Motto, F.; Essimbi Zobo, B.; Marchesoni, M.; Carpita, M. Small-Scale Modular Multilevel Converter for Multi-Terminal DC Networks Applications: System Control Validation. Energies 2018, 11, 1690.

Journal reference: Energies 2018, 11, 1690
DOI: 10.3390/en11071690

Abstract

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 have 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 in order to validate the proposed control strategies. The tests performed at system level allowed to explore the advantages of using an MMC in a MTDC system.

Subject Areas

digital controller; digital signal processors (DSP); modular multilevel converters (MMC), multi-terminal DC network (MTDC)

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