Ahmad Afif Nazib
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Preferred name
Ahmad Afif Nazib
Official Name
Ahmad Afif, Nazib
Alternative Name
Nazib, Ahmad Afif
Nazib, A. A.
Nazib, Ahmad A.
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Scopus Author ID
56125536300
Researcher ID
DLD-1667-2022

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  • Publication
    Virtual flux-based grid-forming current controller for flexible operation of voltage source converters
    (Institute of Electrical and Electronics Engineers Inc, 2022-01-01)
    Ahmad Afif Nazib
    ;
    Holmes D.G.
    ;
    McGrath B.P.
    This paper presents a novel approach to incorporate a grid forming capability into a grid-following voltage source converter, while maintaining the high-bandwidth current control capability that is typical of such a converter. The approach uses the resonator outputs of a stationary frame current regulator as a virtual flux estimation of the converter output voltage, and integrates this estimation into an electrical model of a virtual synchronous generator without requiring integration and derivative operations. The generator and converter models are then combined to achieve a robust grid-forming response under grid islanding conditions, without requiring direct grid-side voltage measurements. The proposed strategy is validated using a detailed switching simulation model of the converter and its control processes.
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