Reliability Assessment of a Multi-State HVDC System by Combining Markov and Matrix-Based Methods

Roberto Benato, Antonio Chiarelli and Sebastian Dambone Sessa
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Roberto Benato: Industrial Engineering Department, University of Padova, 35131 Padova, Italy
Antonio Chiarelli: Industrial Engineering Department, University of Padova, 35131 Padova, Italy
Sebastian Dambone Sessa: Industrial Engineering Department, University of Padova, 35131 Padova, Italy

Energies, 2021, vol. 14, issue 11, 1-13

Abstract: The purpose of this paper is to highlight that, in order to assess the availability of different HVDC cable transmission systems, a more detailed characterization of the cable management significantly affects the availability estimation since the cable represents one of the most critical elements of such systems. The analyzed case study consists of a multi-terminal direct current system based on both line commutated converter and voltage source converter technologies in different configurations, whose availability is computed for different transmitted power capacities. For these analyses, the matrix-based reliability estimation method is exploited together with the Monte Carlo approach and the Markov state space one. This paper shows how reliability analysis requires a deep knowledge of the real installation conditions. The impact of these conditions on the reliability evaluation and the involved benefits are also presented.

Keywords: HVDC-LCC; HVDC-VSC; MTDC comparison; system reliability; transmittable capacity of HVDC systems (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
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