Enhancing fault ride-through capacity of DFIG-Based WPs by adaptive backstepping command using parametric estimation in non-linear forward power controller design

Loulijat, Azeddine, Makhad, Mohamed, Hilali, Abdelilah, Chojaa, Hamid, El Marghichi, Mouncef, Hatatah, Mohammed and Alghamdi, Thamer A. H. 2024. Enhancing fault ride-through capacity of DFIG-Based WPs by adaptive backstepping command using parametric estimation in non-linear forward power controller design. IEEE Access 12 , pp. 58675-58689. 10.1109/ACCESS.2024.3381613

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Abstract

The principal issue associated with wind parks (WPs) based on doubly-fed induction generators (DFIGs) is their vulnerability to network faults. This paper presents a novel nonlinear forward power controller design with an adaptive backstepping command using parametric estimation (NFPC_ABC-PE) to enhance fault ride-through (FRT) capacities in WP utilizing DFIGs. The suggested NFPC_ABC-PE manupiles both rotor and network-side power converters (i.e., RSPCs and NSPCs). Specifically, RSPCs are manipulated to maintain the targeted voltage at dc-bus terminals, while NSPCs are manipulated to supply the reactive energy (power) necessary if the network is disturbed. As a result, the NFPC_ABC-PE proposed precisely supplies reactive energy to ensure the smooth execution of FRT ability. The method developed comprehends the dynamics of RSPC, NSPC-side filters, and dc-bus terminal voltage in the form of electrical active and reactive output power. The parameters of the RSPC and NSPC-side filters, including those associated with the dc-bus capacitor, are regarded as entirely unknown. To estimate and regulate these parameters, adaptation algorithms are utilized. The NFPC_ABC-PE employs parameter adaptation algorithms and switching control inputs designed to safeguard the overall stability of WP. The stability analysis of the DFIG-based WPs with the proposed NFPC_ABC-PE involves applying stability in the sense of the Lyapunov function (LF). To validate its efficacy, simulations are carried out on a single 10 MW power generation unit. The results of the simulation highlight a clear enhancement in the stability and FRT capability of WP, contrasting with the nonlinear forward power controller employing the sliding mode command (NFPC-SMC).

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Engineering
Publisher:	Institute of Electrical and Electronics Engineers
ISSN:	2169-3536
Date of First Compliant Deposit:	5 June 2024
Date of Acceptance:	11 March 2024
Last Modified:	05 Jun 2024 10:00
URI:	https://orca.cardiff.ac.uk/id/eprint/169313

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