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DESIGN AND IMPLEMENTATION OF A PARALLEL-CONNECTED FAULT CURRENT ATTENUATOR FOR POWER DISTRIBUTION SYSTEMS

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dc.creatorJAIME ADDIN ROHTEN CARRASCO
dc.date2022
dc.date.accessioned2025-01-10T15:26:38Z
dc.date.available2025-01-10T15:26:38Z
dc.date.issued2022
dc.description.abstractPARALLEL-CONNECTED FAULT CURRENT ATTENUATOR (PFCA) IS A NOVEL CONCEPT FOR ACTIVE REDUCTION OF SHORT-CIRCUIT CURRENTS (SCCS) THROUGH CIRCUIT BREAKERS (CBS) IN POWER DISTRIBUTION GRIDS. THE SUSTAINED INCREASE IN THE SCCS COULD EXCEED THE RATING OF THE CBS, DANGEROUSLY SPREADING THE FAULT. SEVERAL SERIES-CONNECTED SCHEMES, SUCH AS FAULT CURRENT LIMITERS AND SERIES REACTORS, HAVE BEEN PROPOSED IN RECENT DECADES TO REDUCE THESE HIGH CURRENTS. THIS ARTICLE DESIGNS AND EXPERIMENTALLY VERIFIES THE FEASIBILITY OF A PARALLEL-CONNECTED POWER CONVERTER TO REDUCE THE SCCS, OPERATING AS A CONTROLLED CURRENT SOURCE BY ABSORBING CURRENT FROM THE FAULT POINT. THIS NEW CONFIGURATION REDUCES THE SCCS IN ALL CBS OF AN ELECTRICAL SUBSTATION. THE PROPOSED PFCA IS IMPLEMENTED USING A SINGLE-PHASE NEUTRAL-POINT CLAMPED (NPC) CONVERTER AND TESTED USING A PREDICTIVE CURRENT CONTROL SCHEME FOR SHORT-CIRCUITS IN A SCALED-DOWN POWER SYSTEM. THE EXPERIMENTAL RESULTS PROVE THE EFFECTIVENESS OF THE PROPOSED SCHEME, REDUCING SIGNIFICANTLY THE FIRST SCC PEAK, EVEN WHEN THE AC BUS VOLTAGE IS CLOSE TO ZERO.
dc.formatapplication/pdf
dc.identifier.doi10.1109/JESTPE.2021.3081048
dc.identifier.issn2168-6777
dc.identifier.urihttps://repositorio.ubiobio.cl/handle/123456789/12041
dc.languagespa
dc.publisherIEEE Journal of Emerging and Selected Topics in Power Electronics
dc.relation.uri10.1109/JESTPE.2021.3081048
dc.rightsPUBLICADA
dc.titleDESIGN AND IMPLEMENTATION OF A PARALLEL-CONNECTED FAULT CURRENT ATTENUATOR FOR POWER DISTRIBUTION SYSTEMS
dc.title.alternativeDISEÑO E IMPLEMENTACIÓN DE UN ATENUADOR DE CORRIENTE DE FALLA CONECTADO EN PARALELO PARA SISTEMAS DE DISTRIBUCIÓN DE ENERGÍA
dc.typeARTÍCULO
dspace.entity.typePublication
ubb.EstadoPUBLICADA
ubb.Otra ReparticionDEPARTAMENTO DE INGENIERIA ELECTRICA Y ELECTRONICA
ubb.SedeCONCEPCIÓN
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