Various Control Strategies Performance Assessment of the DFIG wind turbine connected to a DC grid

Akhbari, Allahyar; Rahimi, Mohsen; Khooban, Mohammad Hassan

doi:10.1049/elp2.12297

Cited by 6 publications

(5 citation statements)

References 28 publications

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“…For example, EHIL has been used to test battery management systems for electric vehicles to improve their performance and reliability [32]. In addition, EHIL has been used to test the impact of renewable energy sources, such as wind turbines and solar panels, on the power grid [32][33][34][35].…”

Section: Discussionmentioning

confidence: 99%

Hardware-in-the-Loop Techniques for Complex Systems Analysis: Bibliometric Analysis of Available Literature

2023

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Simulating complex systems in real time presents both significant advantages and challenges. Hardware-in-the-loop (HIL) simulation has emerged as an interesting technique for addressing these challenges. While HIL has gained attention in the scientific literature, its application in energy studies and power systems remains scattered and challenging to locate. This paper aims to provide an assessment of the penetration of the HIL technique in energy studies and power systems. The analysis of the literature reveals that HIL is predominantly employed in evaluating electrical systems (smart grids, microgrids, wind systems), with limited application in thermal energy systems (energy storage). Notably, the combination of electrical hardware-in-the-loop (EHIL) and thermal hardware-in-the-loop (THIL) techniques has found application in the assessment of vehicle thermal management systems and smart cities and, recently, has also been adopted in building systems. The findings highlight the potential for further exploration and expansion of the HIL technique in diverse energy domains, emphasizing the need for addressing challenges such as hardware–software compatibility, real-time data acquisition, and system complexity.

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Section: Discussionmentioning

confidence: 99%

Hardware-in-the-Loop Techniques for Complex Systems Analysis: Bibliometric Analysis of Available Literature

2023

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“…Under this target, refs. [30][31][32] regulated DC voltage sags through the PI voltage control method, but the fluctuations were not fully resolved in the presence of pulse loads. A closed-loop capacitor voltage balancing method is used to stabilize the voltage of the support capacitor [33], but the voltage sags were still not suitably mitigated because of the timescale mismatch of generator speed regulation with pulse loads.…”

Section: Literature Surveymentioning

confidence: 99%

“…The existing research mainly focusses on constant-speed propulsion scenario and rarely considers the uncertainties in ship propulsion [9,10,[16][17][18][19]21]. (2) A coordinated framework between the main generators/ auxiliary generators and the HESS is applied in this work, and the proposed three-layer dynamic power allocation strategy solves the problems of multiple power resources balance, the voltage sags, and HESS health operation caused by uncertain propulsion scenarios that are rarely considered in existing research [28,29,[32][33][34][35].…”

Section: Main Contributionsmentioning

confidence: 99%

“…A coordinated framework between the main generators/auxiliary generators and the HESS is applied in this work, and the proposed three‐layer dynamic power allocation strategy solves the problems of multiple power resources balance, the voltage sags, and HESS health operation caused by uncertain propulsion scenarios that are rarely considered in existing research [28, 29, 32–35].…”

Section: Introductionmentioning

confidence: 99%

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Dynamic power management for all‐electric ships based on data‐driven propulsion power modelling

Luo

Fang

Niu

et al. 2023

IET Electric Power Appl

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Among all types of onboard load demands in all‐electric ships (AESs), the propulsion power predominates (usually >70%), and a large‐scale hybrid energy storage system (HESS) tends to be installed to provide multi‐timescale flexibility. A two‐part dynamic power management method is therefore proposed consisting of a novel multi‐scenario propulsion power model, which models the impacts of floating conditions separately from other uncertain factors, and a three‐layer dynamic allocation strategy based on feedforward control to coordinate the main/auxiliary generators and the HESS. Three case studies are adopted to verify the validity of the proposed method, including a real‐time simulation experiment in RT‐Lab. The proposed method has three advantages: (1) the proposed multi‐scenario propulsion power model accounts for power fluctuations brought by floating conditions, which greatly alleviates the required regulating flexibility for AESs; (2) the proposed three‐layer dynamic power allocation strategy better shares the power demand on the main/auxiliary generators and the HESS, which reduces battery power fluctuations and prevents the overdischarging/overcharging of HESS; and (3) the RT‐Lab experiment proves that the proposed method can be used in real‐time applications for AESs.

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“…In recent years, high-voltage direct current (HVDC) has been adopted by large wind farms for grid connection, especially offshore remote wind farms [2,3]. Therefore, the exploration of double-voltage-source-converter DFIG (double-VSC DFIG) that can be connected to a DC-grid holds immense practical significance [4][5][6]. Its structure is shown in Fig.…”

Section: Introductionmentioning

confidence: 99%

Single-Loop Robust Decoupling Control Base on Perturbation Estimation for DC-Based DFIG

Sun,

Yang,

Zhang

2024

IEEE Access

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This paper presents a perturbation observer based single-loop robust decoupling control scheme (RDC-PO) for DC-based DFIG with dual voltage source converters to enhance maximum power point tracking (MPPT) and improve fault-ride-through (FRT) capability. The unknown nonlinear effects caused by aerodynamic and modeling uncertainties are aggregated into a perturbation term, which is estimated by a sliding-mode perturbation observer. Then, a single-loop linear feedback controller with no intermediate link is designed to quickly compensate disturbance estimation in real time. Furthermore, the control algorithm does not necessitate a precise DFIG model. Additionally, the incorporation of nonlinear robust control compensates for the inherent limitations of linear control, thereby endowing the proposed control algorithm with the advantages of facile implementation akin to traditional linear control and global consistency characteristic of nonlinear robust control. Simulation results show that RDC-PO has superior transient and steady-state performance compared with double-loop feedback controller (DFC) and single-loop feedback control (SFC) in MPPT and FRT. Finally, Experiment verifies the practical operability of the proposed strategy. INDEX TERMS DC-based DFIG, perturbation observer, single-loop controller, MPPT, FRT

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Various Control Strategies Performance Assessment of the DFIG wind turbine connected to a DC grid

Cited by 6 publications

References 28 publications

Hardware-in-the-Loop Techniques for Complex Systems Analysis: Bibliometric Analysis of Available Literature

Hardware-in-the-Loop Techniques for Complex Systems Analysis: Bibliometric Analysis of Available Literature

Dynamic power management for all‐electric ships based on data‐driven propulsion power modelling

Single-Loop Robust Decoupling Control Base on Perturbation Estimation for DC-Based DFIG

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