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Analysis of Wind Generator Operations under UnbalancedVoltage Dips in the Light of the Spanish Grid Code

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Analysis of Wind Generator Operations under UnbalancedVoltage Dips in the Light of the Spanish Grid Code

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dc.contributor.author León Martínez, Vicente es_ES
dc.contributor.author Montañana Romeu, Joaquín es_ES
dc.date.accessioned 2013-06-11T10:55:02Z
dc.date.available 2013-06-11T10:55:02Z
dc.date.issued 2011
dc.identifier.issn 1996-1073
dc.identifier.uri http://hdl.handle.net/10251/29627
dc.description.abstract [EN] Operation of doubly fed induction generators subjected to transient unbalanced voltage dips is analyzed in this article to verify the fulfillment of the Spanish grid code. Akagi's p-q theory is not used for this study, because control of the electronic converter is not the main goal of the paper, but rather to know the physical phenomena involved in the wind turbine when voltage dips occur. Hence, the magnetizing reactive power of the induction generators and their components, which are related with the magnetic fields and determine operation of these machines, are expressed through the reactive power formulations established in the technical literature by three well-known approaches: the delayed voltage (DV) method, Czarnecki's Current's Physical Components (CPC) theory and Emanuel's approach. Non-fundamental and negative-sequence components of the magnetizing reactive power are respectively established to define the effects of the distortion and voltage imbalances on the magnetic fields and electromagnetic torques. Also, fundamental-frequency positive-sequence and negative-sequence reactive powers are decomposed into two components: due to the reactive loads and caused by the imbalances. This decomposition provides additional information about the effects of the imbalances on the main magnetic field and electromagnetic torque of the induction generator. All the above mentioned reactive powers are finally applied to one actual wind turbine subjected to a two-phase voltage dip in order to explain its operation under such transient conditions. © 2011 by the authors. es_ES
dc.language Inglés es_ES
dc.publisher MDPI es_ES
dc.relation.ispartof Energies es_ES
dc.rights Reconocimiento (by) es_ES
dc.subject Grid codes es_ES
dc.subject Reactive power es_ES
dc.subject Unbalanced three-phase systems es_ES
dc.subject Wind energy es_ES
dc.subject Wind power generation es_ES
dc.subject Current's physical components es_ES
dc.subject Doubly fed induction generators es_ES
dc.subject Electromagnetic torques es_ES
dc.subject Electronic converters es_ES
dc.subject Induction generator es_ES
dc.subject Main magnetic fields es_ES
dc.subject P-q theory es_ES
dc.subject Physical phenomena es_ES
dc.subject Reactive loads es_ES
dc.subject Technical literature es_ES
dc.subject Transient conditions es_ES
dc.subject Two-component es_ES
dc.subject Unbalanced three-phase system es_ES
dc.subject Unbalanced voltages es_ES
dc.subject Voltage dip es_ES
dc.subject Voltage imbalance es_ES
dc.subject Wind generators es_ES
dc.subject Asynchronous generators es_ES
dc.subject Electric power generation es_ES
dc.subject Electric utilities es_ES
dc.subject Electromagnetic field effects es_ES
dc.subject Electromagnetism es_ES
dc.subject Magnetic fields es_ES
dc.subject Wind power es_ES
dc.subject Wind turbines es_ES
dc.subject Power quality es_ES
dc.subject.classification INGENIERIA ELECTRICA es_ES
dc.title Analysis of Wind Generator Operations under UnbalancedVoltage Dips in the Light of the Spanish Grid Code es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.3390/en4081148
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 León Martínez, V.; Montañana Romeu, J. (2011). Analysis of Wind Generator Operations under UnbalancedVoltage Dips in the Light of the Spanish Grid Code. Energies. 4(8):1148-1162. doi:10.3390/en4081148 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://www.mdpi.com/1996-1073/4/8/1148/pdf
dc.description.upvformatpinicio 1148 es_ES
dc.description.upvformatpfin 1162 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 4 es_ES
dc.description.issue 8 es_ES
dc.relation.senia 193829
dc.description.references Emanuel, A. E. (1999). Apparent power definitions for three-phase systems. IEEE Transactions on Power Delivery, 14(3), 767-772. doi:10.1109/61.772313 es_ES
dc.description.references Active and Reactive Power Formulations for Grid Code Requirements Verificationhttp://www.intechopen.com/articles/show/title/active-and-reactive-power-formulations-for-grid-code-requirements-verification es_ES
dc.description.references Akagi, H., Kanazawa, Y., & Nabae, A. (1984). Instantaneous Reactive Power Compensators Comprising Switching Devices without Energy Storage Components. IEEE Transactions on Industry Applications, IA-20(3), 625-630. doi:10.1109/tia.1984.4504460 es_ES
dc.description.references Hyosung Kim, Blaabjerg, F., & Bak-Jensen, B. (2002). Spectral analysis of instantaneous powers in single-phase and three-phase systems with use of p-q-r theory. IEEE Transactions on Power Electronics, 17(5), 711-720. doi:10.1109/tpel.2002.802188 es_ES
dc.description.references Czarnecki, L. (2003). Comparison of instantaneous reactive power p–q theory with theory of the current’s physical components. Electrical Engineering, 85(1), 21-28. doi:10.1007/s00202-002-0137-3 es_ES
dc.description.references Czarnecki, L. S. (2004). On Some Misinterpretations of the Instantaneous Reactive Power<tex>$phbox-q$</tex>Theory. IEEE Transactions on Power Electronics, 19(3), 828-836. doi:10.1109/tpel.2004.826500 es_ES
dc.description.references Salles, M. B. C., Hameyer, K., Cardoso, J. R., Grilo, A. P., & Rahmann, C. (2010). Crowbar System in Doubly Fed Induction Wind Generators. Energies, 3(4), 738-753. doi:10.3390/en3040738 es_ES


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