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This paper presents ProElec project, which links all the subjects of the electrical engineering field through the academic itinerary of Civil Engineering and Mining and Energy Engineering students at the University of the Basque Country UPV/EHU. Based on Project-Based Learning (PBL), ProElec aims to lead students from 2nd year up to the Bachelor thesis in a dynamic learning process. In order to build...
High Voltage Direct Current (HVDC) transmission systems are playing an important role due to their economical and technical benefits in the countries where the electric grid is expanding fast. However, fault current interruption is still an unsolved challenge in these HVDC grids. In order to interrupt undesirable currents, DC circuit breakers can be used, but their capability is limited. With that...
Considering the relevance that HVDC systems are expected to have in the future of power networks, this paper aims to provide a wide overview of the protection against DC faults. In particular, the detection and location techniques that have been proposed to date are analyzed, focusing on the approaches that are set to be applied in modern HVDC networks, which comprise VSC-HVDC and MTDC systems. Although...
Fault Current Limiters (FCL) limit fault current levels to a more manageable level, this way it becomes possible to increase the transmission ratings of an electrical system, without changing the equipment. Thus, the existing equipment is able to handle the new currents and protect properly the system. In the paper, different types of FCLs are deeply identified, covering their characteristics, advantages...
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