HVDC Unsolved Issues: A Review

Rinzo, Giovanni; Pedrazzoli, G.; Chiarelli, A.

doi:10.1109/eeeic.2018.8493880

Cited by 4 publications

(1 citation statement)

References 45 publications

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“…In particular, the VSC-based HVDC links currently are living a continuous boost due to their key features: in combination with cross-linked-polyethylene-extruded (XLPE) cables, VSC-HVDC technologies are able to provide vital services for the electrical grids, such as the frequency or the voltage regulation ones [12][13][14][15]. The use of overhead lines or submarine/underground cables, or a combination of them, generates different issues and have pros and cons depending on the type of application [16][17][18]. Effective reliability and availability assessment tools [19][20][21][22][23][24][25][26][27][28][29][30] are of paramount importance in order to safely manage a whole HVDC-VSC link and to minimize the system outage risk.…”

Section: Introductionmentioning

confidence: 99%

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

2021

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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.

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