Protection of AC and DC distribution systems Embedding distributed energy resources: A comparative review and analysis

The integration of distributed generation (DG) units into distribution networks has challenged the operating principles of traditional AC distribution systems, and also motivated the development of emerging DC systems. Of particular concern are the challenges associated with the operation of convent...

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Bibliographic Details
Published in:Renewable & sustainable energy reviews 2015-11, Vol.51, p.1578-1593
Main Authors: Monadi, Mehdi, Amin Zamani, M., Ignacio Candela, Jose, Luna, Alvaro, Rodriguez, Pedro
Format: Article
Language:English
Subjects:
AC distribution systems
Alternating current
Automatització i control de l'energia elèctrica
Conversió
Convertidors continu-altern
DC distribution systems
DIFFERENTIAL PROTECTION
Direct current
DISPERSED GENERATION
Distribució
Distributed generation
Distributed generation of electric power
DISTRIBUTION GRIDS
DISTRIBUTION LINES
DISTRIBUTION NETWORKS
Electric power distribution
Electric power transmission
Electrònica de potència
Energia elèctrica
Energia eòlica
Energies
Energies renovables
Enginyeria electrònica
FAULT CURRENT LIMITER
NEURAL-NETWORKS
Power system protection
RELAY COORDINATION
Renewable energy resources
Renewable energy sources
SHIPBOARD POWER-SYSTEMS
VOLTAGE MICROGRIDS
Wind energy conversion systems
Àrees temàtiques de la UPC
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Summary:The integration of distributed generation (DG) units into distribution networks has challenged the operating principles of traditional AC distribution systems, and also motivated the development of emerging DC systems. Of particular concern are the challenges associated with the operation of conventional protection schemes and/or devices. This paper first analyses the fault current characteristics in AC and DC distribution systems; it then presents a comprehensive review of the latest protection methods proposed for distribution systems embedding DGs. In addition, the advantages and disadvantages of each method are outlined and compared. The differences between the protection algorithms employed in/proposed for AC and DC systems are also discussed. Finally, this study identifies the future trends and provides recommendation for researches in the field of protections of DC distribution networks.
ISSN:1364-0321
1879-0690
DOI:10.1016/j.rser.2015.07.013