Upgrading the Power Capacity of a Three-Conductor MVAC Line by Converting to DC

Aleksey I. Bardanov, Sergei V. Solovev, Ricardo Alvarez, Juan M. Munoz-Guijosa, Miguel Jiménez Jiménez Carrizosa and Andrés Mora
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Aleksey I. Bardanov: Department of General Electrical Engineering, Saint Petersburg Mining University, 199406 Saint Petersburg, Russia
Sergei V. Solovev: Department of General Electrical Engineering, Saint Petersburg Mining University, 199406 Saint Petersburg, Russia
Ricardo Alvarez: Department of Electrical Engineering, Universidad Técnica Federico Santa María, Avda. Vicuña Mackenna, San Joaquín, Santiago 3939, Chile
Juan M. Munoz-Guijosa: Mechanical Engineering Department, Universidad Politécnica de Madrid, C/José Gutiérrez Abascal, 2, 28006 Madrid, Spain
Miguel Jiménez Jiménez Carrizosa: Centro de Electrónica Industrial, Universidad Politécnica de Madrid, C/José Gutiérrez Abascal, 2, 28006 Madrid, Spain
Andrés Mora: Department of Electrical Engineering, Universidad Técnica Federico Santa María, Avda. Vicuña Mackenna, San Joaquín, Santiago 3939, Chile

Energies, 2022, vol. 15, issue 3, 1-14

Abstract: Several countries around the world are undergoing a radical transformation of their electricity networks, with the widespread integration of distributed generation based on renewable energy sources at the center of the change. Under these scenarios, DC links are becoming an attractive option for the infrastructure of modern networks, especially at medium voltage levels. This work is devoted to the integration of DC systems in existing AC networks by converting AC power lines to DC. The work presents a novel method for converting a three-conductor medium voltage AC transmission line to DC. The efficiency of the proposed conversion is assessed in terms of increased power capacity. It is shown that the proposed approach allows for increasing the power capacity of the line by at least 10%. The feasibility and effectiveness of the proposed method are then confirmed by laboratory experiments.

Keywords: AC-DC conversion; power capacity upgrade; MVDC; transmission lines; power system transformation (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: 2022
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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