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An Alternate Representation of the Vector of Apparent Power and Unbalanced Power in Three-Phase Electrical Systems

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An Alternate Representation of the Vector of Apparent Power and Unbalanced Power in Three-Phase Electrical Systems

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dc.contributor.author Blasco Espinosa, Pedro Angel es_ES
dc.contributor.author Montoya-Mira, Rafael es_ES
dc.contributor.author Diez-Aznar, José-Manuel es_ES
dc.contributor.author Montoya Villena, Rafael es_ES
dc.date.accessioned 2020-11-11T04:32:13Z
dc.date.available 2020-11-11T04:32:13Z
dc.date.issued 2020-06 es_ES
dc.identifier.uri http://hdl.handle.net/10251/154801
dc.description.abstract [EN] Low-voltage distribution systems are typically unbalanced. These ine¿ciencies cause unbalanced powers that can significantly increase the apparent power of the system. Analysing and measuring these ine¿cient powers appropriately allows us to compensate for them and obtain a more e¿cient system. Correcting the imbalance at some nodes can worsen the rest of the system; therefore, it is essential that all nodes are analysed such that action can be taken when necessary. In most studies, the unbalanced power is measured from the modulus. Other more recent studies have proposed phasor expressions of unbalanced powers; however, in both cases, these are not enough to address the compensation of unbalanced powers in systems with unbalanced voltages. In this work, a di¿erent representation of the vector expressions for analysis of the unbalanced powers and the apparent powers of the three-phase linear systems is proposed. Additionally, these vector expressions are extended to nonlinear systems to quantify the harmonic apparent powers. These expressions have been formulated from the power of Buchholz and are valid for systems with unbalanced voltages and currents. To help understand the use of the proposed formulation, a practical case of a three-phase four-wire system with unbalanced loads and voltages is demonstrated. es_ES
dc.description.sponsorship This work is supported by the Spanish Ministry of Science, Innovation and Universities (MICINN) and the European Regional Development Fund (ERDF) under Grant RTI2018-100732-B-C21. es_ES
dc.language Inglés es_ES
dc.publisher MDPI AG es_ES
dc.relation info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/RTI2018-100732-B-C21/ES/CARGADORES DE BATERIAS BIDIRECCIONALES PARA LA INTEGRACION EN MICRORREDES DE VEHICULOS ELECTRICOS Y ESTACIONES DE CARGA ULTRARRAPIDA CON BATERIAS DE RESPALDO/ es_ES
dc.relation.ispartof Applied Sciences es_ES
dc.rights Reconocimiento (by) es_ES
dc.subject Unbalanced power es_ES
dc.subject Power theory es_ES
dc.subject Apparent power es_ES
dc.subject Power system es_ES
dc.subject Power quality es_ES
dc.subject.classification INGENIERIA ELECTRICA es_ES
dc.title An Alternate Representation of the Vector of Apparent Power and Unbalanced Power in Three-Phase Electrical Systems es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.3390/app10113756 es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ingeniería Eléctrica - Departament d'Enginyeria Elèctrica es_ES
dc.description.bibliographicCitation Blasco Espinosa, PA.; Montoya-Mira, R.; Diez-Aznar, J.; Montoya Villena, R. (2020). An Alternate Representation of the Vector of Apparent Power and Unbalanced Power in Three-Phase Electrical Systems. Applied Sciences. 10(11):1-16. https://doi.org/10.3390/app10113756 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.3390/app10113756 es_ES
dc.description.upvformatpinicio 1 es_ES
dc.description.upvformatpfin 16 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 10 es_ES
dc.description.issue 11 es_ES
dc.identifier.eissn 2076-3417 es_ES
dc.relation.pasarela S\414515 es_ES
dc.contributor.funder Agencia Estatal de Investigación es_ES
dc.contributor.funder European Regional Development Fund es_ES
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