Fault Simulations in a Multiterminal High Voltage DC Network with Modular Multilevel Converters Using Full-Bridge Submodules

Ioan-Cătălin Damian, Mircea Eremia and Lucian Toma
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Ioan-Cătălin Damian: University Politehnica of Bucharest, Iuliu Maniu 313, 060042 Bucharest, Romania
Mircea Eremia: University Politehnica of Bucharest, Iuliu Maniu 313, 060042 Bucharest, Romania
Lucian Toma: University Politehnica of Bucharest, Iuliu Maniu 313, 060042 Bucharest, Romania

Energies, 2021, vol. 14, issue 6, 1-10

Abstract: The concept of high-voltage DC transmission using a multiterminal configuration is presently a central topic of research and investment due to rekindled interest in renewable energy resource integration. Moreover, great attention is given to fault analysis, which leads to the necessity of developing proper tools that enable proficient dynamic simulations. This paper leverages models and control system design techniques and demonstrates their appropriateness for scenarios in which faults are applied. Furthermore, this paper relies on full-bridge submodule topologies in order to underline the increase in resilience that such a configuration brings to the multiterminal DC network, after an unexpected disturbance. Therefore, strong focus is given to fault response, considering that converters use a full-bridge topology and that overhead power lines connect the terminals.

Keywords: full-bridge circuit; modular multilevel converters; high-voltage direct current transmission; multiterminal grid (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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