New differential protection method for multiterminal HVDC cable networks

Granizo Arrabé, Ricardo and Platero Gaona, Carlos Antonio and Álvarez Gómez, Fernando and Rebollo López, Emilio (2018). New differential protection method for multiterminal HVDC cable networks. "Energies", v. 11 (n. 12); pp. 1-16. ISSN 1996-1073. https://doi.org/10.3390/en11123387.

Description

Title: New differential protection method for multiterminal HVDC cable networks
Author/s:
  • Granizo Arrabé, Ricardo
  • Platero Gaona, Carlos Antonio
  • Álvarez Gómez, Fernando
  • Rebollo López, Emilio
Item Type: Article
Título de Revista/Publicación: Energies
Date: December 2018
ISSN: 1996-1073
Volume: 11
Subjects:
Freetext Keywords: Protection relays; Fault location; Ground faults; HVDC
Faculty: E.T.S.I. Diseño Industrial (UPM)
Department: Ingeniería Eléctrica, Electrónica Automática y Física Aplicada
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Ground faults in electrical power systems represent more than 90% of total faults. Their detection, location, and elimination are essential and must be carried out in a precise way to allow multiterminal high-voltage direct current (HVDC) cable networks to operate in stable conditions by removing only the faulty cable from service. This paper presents a new differential protection method based on the measurement of currents at both ends of the shields of power cables. This new method is cheaper and easier to set in operation compared to other protection methods that measure currents circulating in the active conductors. The values of such intensities and their polarities were evaluated to know which cable had a ground fault in a multiterminal HVDC cable network. The method was successfully validated by computer simulations, and experimental results were successfully obtained.

More information

Item ID: 53327
DC Identifier: http://oa.upm.es/53327/
OAI Identifier: oai:oa.upm.es:53327
DOI: 10.3390/en11123387
Official URL: https://www.mdpi.com/1996-1073/11/12/3387
Deposited by: Memoria Investigacion
Deposited on: 18 Dec 2018 08:16
Last Modified: 18 Dec 2018 08:16
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