A new perturb and observe based higher order sliding mode MPPT control of wind turbines eliminating the rotor inertial effect

Karabacak, Murat

doi:10.1016/j.renene.2018.10.079

Cited by 68 publications

(31 citation statements)

References 64 publications

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“…Perturbation and observation (P&O) 0.04-0.08 [16,42] Last but not least, the mathematical results are not precise, but the essence of our conclusions on maximum localizations remains correct and close to real conditions. More importantly, the tracking time can be diminished by up to 0.12-0.17 s by the optimal design of the current controller.…”

Section: Conventional Searching Algorithmsmentioning

confidence: 81%

“…Generally, the current is a preferable choice as a regulating parameter because of the relative ease of control than that of voltage [6,7]. Previously, different types of modifications and embodiments of the MPPT system in the form of sequential search and by artificial control techniques are proposed and discussed [8][9][10][11][12][13][14][15][16][17][18][19]. The first group includes perturbation-observation algorithms (P&O), incremental conductance algorithms, sliding mode controllers, and many others [9][10][11][12][13][14][15][16].…”

Section: Introductionmentioning

confidence: 99%

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An Approval of MPPT Based on PV Cell’s Simplified Equivalent Circuit During Fast-Shading Conditions

et al. 2019

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The partial shading conditions significantly affect the functionality of solar power plants despite the presence of multiple maximum power point tracking systems. The primary cause of this problem is the presence of local maxima in the power–current and/or power–voltage characteristic curves that restrict the functionality of the conventional maximum power point tracking systems. The present article proposes a modified algorithm based on the simplified equivalent circuit of solar cells to improve the functionality of traditional maximum power point tracking systems. This algorithm provides a method for regularly monitoring the photo-current of each solar module. The upper and lower boundaries of the regulating parameter such as current or voltage are decided very precisely, which is helpful to find the location of the global maximum. During a sequential search, the control system accurately determines the lower and upper boundaries of the global maximum. Simultaneously, the maximum power point tracking system increases the photovoltaic current up to one of these boundaries and applies one of the conventional algorithms. Additionally, the control system regularly monitors the photovoltaic characteristics and changes the limits of regulating parameter concerning any change in global maximum location. This proposed method is fast and precise to locate the global maximum boundaries and to track global maximum even under fast-changing partial shading conditions. The improved performance and overall efficiency are validated by simulation study for variable solar irradiance.

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Section: Conventional Searching Algorithmsmentioning

confidence: 81%

Section: Introductionmentioning

confidence: 99%

An Approval of MPPT Based on PV Cell’s Simplified Equivalent Circuit During Fast-Shading Conditions

et al. 2019

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“…Based Based on the maximization of harnessed power, the MPPT algorithms are generally classified in indirect power controller (IdPC) as well as direct power controller (DirPC) [5]. where is the generator efficiency and is the converter efficiency whichchangeswith the change in rotor speed.…”

Section: Proposed Methodologymentioning

confidence: 99%

Development of MPPT Algorithm and Wind Rose Model for Wind Farm in Maharashtra

Jadhav¹,

Thosar²

2020

IJEAT

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 Abstract: This work focuses on enhancements of the maximum power point tracking for wind energy village. This work also targeted on numerous variables like air density, wind speed and impression of other geographical regions specific ecological elements. The Incremental Conductance along with Fractional open Circuit Voltage algorithms are usually is much less fruitful and still has problem in determining perfect step-size. To eliminate such drawbacks we recommended Hybrid execution of MPPT algorithms for maximum power point tracking to achieve the best possible power operation. The algorithms are presented by using Matlab simulation. This paper also delivers results for wind farm for various climate conditions in Maharashtra region with wind rose analysis. The outcomes attained are ideal for equivalent weather conditions based on air density variations and Hybrid Algorithm execution can be applied to draw out maximum power point. Results shows that recommended method is more efficient maximum power point tracking method with less execution time for any renewable energy resources.

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“…However, the proposed algorithm requires many calculations that increase system complexity [38]. A novel inertial powerbased P&O algorithm is proposed for high inertia WT, which a priori knowledge of WT inertia is required [39].…”

Section: Introductionmentioning

confidence: 99%

Modified P&O MPPT algorithm for optimal power extraction of five-phase PMSG based wind generation system

2019

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In this study, the maximum power point tracking (MPPT) performance is investigated based on variable-speed wind energy conversion system below the rated wind speed. The proposed modified perturb and observe (MPO) MPPT enhances the initial speed-tracking accuracy and eliminates the oscillations level. The MPO employs four sectors operation using a variable-speed step sizes by comparing the new suggesting curve with the P-ω curve. The system is described as a large-scale five-phase permanent magnet synchronous generator (PMSG) which is grid connected through a backto-back converter (BTBC) and Dc-link capacitor. The field-oriented control (FOC) is applied in the machine-side converter (MSC) to extract the optimal generated power using the proposed MPPT algorithm. Moreover, the voltage-oriented control (VOC) is applied in the grid-side converter (GSC) to regulate the Dc-link voltage and inject active power with unity power factor. The simulation results depict the superior performance of the MPO over the conventional P&O. The performance of the proposed control scheme is validated using MATLAB/SIMULINK program.

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A new perturb and observe based higher order sliding mode MPPT control of wind turbines eliminating the rotor inertial effect

Cited by 68 publications

References 64 publications

An Approval of MPPT Based on PV Cell’s Simplified Equivalent Circuit During Fast-Shading Conditions

An Approval of MPPT Based on PV Cell’s Simplified Equivalent Circuit During Fast-Shading Conditions

Development of MPPT Algorithm and Wind Rose Model for Wind Farm in Maharashtra

Modified P&O MPPT algorithm for optimal power extraction of five-phase PMSG based wind generation system

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