Exploring the range of impedance conditioning by virtual inductance for grid connected voltage source converters
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Exploring the range of impedance conditioning by virtual inductance for grid connected voltage source converters (817,4Kb) (Accés restringit)
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10.1109/ISGTEurope.2012.6465693
Inclou dades d'ús des de 2022
Cita com:
hdl:2117/21767
Tipus de documentText en actes de congrés
Data publicació2012
EditorInstitute of Electrical and Electronics Engineers (IEEE)
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Abstract
Conditioning of network impedance by insertion of a virtual inductance as an inherent feature of the converter control system has the potential to extend the range of stable operation of the overall system. This paper presents a scenario in which such potential is explored and its range of application is identified. It shows first that implementation of a virtual inductance is naturally suited for combination with Virtual Flux-based control systems, and that it can be extended to the more general case of a virtual reactance. The paper then presents the structure of a control system for operation under unbalanced conditions, where the virtual inductance directly influences the current reference calculation. Compared with the standard approach of unity power factor control of grid integrated converters, the suggested technique allows for improving the stability range of converters operating in high-impedance grids, and for remote point control of reactive power or power factor.
CitacióSuul, J.; Molinas, M.; Rodriguez, P. Exploring the range of impedance conditioning by virtual inductance for grid connected voltage source converters. A: IEEE PES International Conference and Exhibition on Innovative Smart Grid Technologies. "2012 3rd IEEE PES Innovative Smart Grid Technologies Europe (ISGT Europe): October 14-17, 2012: Berlin, Germany". Berlin: Institute of Electrical and Electronics Engineers (IEEE), 2012, p. 1-9.
ISBN978-1-4673-2595-0
Versió de l'editorhttp://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6465693
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