Enhancing the performance of wind energy conversion systems using unified power flow controller

Mosaad, Mohamed I.; Alenany, Ahmed; Abu-Siada, A.

doi:10.1049/iet-gtd.2019.1112

Cited by 47 publications

(36 citation statements)

References 42 publications

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“…The series part provides the regulation of active and reactive powers while shunt part ensures the voltage support at PCC by regulating voltage at DC link of UPFC [138]. Dynamic performance of a DFIG based OWPP under wind gusts and disturbances is proposed in [139] using an adaptive model-free controller for UPFC. Uncertainties like voltage sag, voltage swell, wind gust and LVRT capability of the system significantly improved when suggested UPFC based adaptive controller is compared to conventional PI controller.…”

Section: B Facts Based Active Power Filter Techniquesmentioning

confidence: 99%

Offshore Wind Farm-Grid Integration: A Review on Infrastructure, Challenges, and Grid Solutions

et al. 2021

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Recently, the penetration of renewable energy sources (RESs) into electrical power systems is witnessing a large attention due to their inexhaustibility, environmental benefits, storage capabilities, lower maintenance and stronger economy, etc. Among these RESs, offshore wind power plants (OWPP) are ones of the most widespread power plants that have emerged with regard to being competitive with other energy technologies. However, the application of power electronic converters (PECs), offshore transmission lines and large substation transformers result in considerable power quality (PQ) issues in grid connected OWPP. Moreover, due to the installation of filters for each OWPP, some other challenges such as voltage and frequency stability arise. In this regard, various customs power devices along with integration control methodologies have been implemented to deal with stated issues. Furthermore, for a smooth and reliable operation of the system, each country established various grid codes. Although various mitigation schemes and related standards for OWPP are documented separately, a comprehensive review covering these aspects has not yet addressed in the literature. The objective of this study is to compare and relate prior as well as latest developments on PQ and stability challenges and their solutions. Low voltage ride through (LVRT) schemes and associated grid codes prevalent for the interconnection of OWPP based power grid have been deliberated. In addition, various PQ issues and mitigation options such as FACTS based filters, DFIG based adaptive and conventional control algorithms, ESS based methods and LVRT requirements have been summarized and compared. Finally, recommendations and future trends for PQ improvement are highlighted at the end.INDEX TERMS Frequency control, Grid codes, harmonics, LVRT, offshore wind energy, power quality, stability, voltage control.

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Section: B Facts Based Active Power Filter Techniquesmentioning

confidence: 99%

Offshore Wind Farm-Grid Integration: A Review on Infrastructure, Challenges, and Grid Solutions

et al. 2021

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“…DFIGs are not sensitive to wind speed variations and can operate at wide speed ranges. However, DFIGs have high faulty sensitivity and need continuous maintenance due to the rotor slip-ring structure [8]. Owing to their advantages, SRGs are commonly used in many WECS applications.…”

Section: Introductionmentioning

confidence: 99%

Near-Optimal PI Controllers of STATCOM for Efficient Hybrid Renewable Power System

et al. 2021

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Connecting different renewable energy sources (RESs) to the electrical grids is presently being urged to fulfill the enormous need for electric power and to decrease traditional sources' ecological related issues, the so-called hybrid systems. Unfortunately, these hybrid systems suffer from the possible negative environmental impacts of the wind gusts in wind energy conversion systems (WECSs) that may degrade the overall system performance. Additionally, various severe faults may disconnect some RESs from the hybrid system, like three-phase faults. In this paper, the static synchronous compensator (STATCOM) is considered for both improving the performance of a hybrid system, contains WECS and photovoltaics (PVs) against wind gusts and maintaining the continuous operations of RESs during three-phase fault occur at the point of common coupling (PCC) between the RESs and the grid. The STATCOM is stimulated by two PI controllers regulating the reactive power flow between the STATCOM and the hybrid system at PCC and, consequently, regulating the voltage at PCC. A metaheuristic optimizer optimally schedules these two PI controllers based on whale optimization algorithm

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“…The DFIG is most commonly used in WECS. This is because of its low converter rating, cost and also it has the ability of operating under variable speed [9]. Figure 1 depicts a simplified illustration of DFIG based WECS.…”

Section: Introductionmentioning

confidence: 99%

Controller design for DFIG‐based WT using gravitational search algorithm for wind power generation

Bharti

Sarita

Vardhan³

et al. 2021

IET Renewable Power Gen

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This paper describes the controller design aspects of DFIG-based wind turbine system (WTS) using gravitational search algorithm (GSA). The appropriate control schemes are required for efficient and reliable functioning of the DFIG-based wind energy conversion system (WECS). The control algorithms are implemented in converters which are placed in the rotor end and grid side of the WECS. The controller design schemes are optimized for accurate, reliable and stable operations of WECS using GSA. The most commonly used other design techniques are bacterial foraging optimization (BFO), and particle swarm optimization (PSO). Moreover, the transfer function modeling of DFIG is also described in this paper. The results show that the proposed GSA technique with sixths order transfer function model of DFIG improves the transient performance including time of rising the response to 90%, settling time, and amplitude of peak overshoot. The proposed GSA technique is compared with the techniques already implemented in the previous research works including PSO and BFO. The DFIG-based WTS's output waveforms of voltage at dc-link, reactive power, and active power are improved using GSA based design technique. Finally, it is concluded that the GSA technique gives better results as compared with the PSO and BFO techniques.This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Enhancing the performance of wind energy conversion systems using unified power flow controller

Cited by 47 publications

References 42 publications

Offshore Wind Farm-Grid Integration: A Review on Infrastructure, Challenges, and Grid Solutions

Offshore Wind Farm-Grid Integration: A Review on Infrastructure, Challenges, and Grid Solutions

Near-Optimal PI Controllers of STATCOM for Efficient Hybrid Renewable Power System

Controller design for DFIG‐based WT using gravitational search algorithm for wind power generation

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