Practical Implementation of the Backstepping Sliding Mode Controller MPPT for a PV-Storage Application

Bjaoui, Marwen; Khiari, Brahim; Benadli, Ridha; Memni, Mouad; Sellami, Anis

doi:10.3390/en12183539

Cited by 25 publications

(17 citation statements)

References 37 publications

(66 reference statements)

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“…IQBC-based SPVPCS uses proven and simple Perturb and Observe (P&O) algorithm to track the maximum power. 20 The ability of P&O algorithm on IQBC is analysed in section 4. Section 5 validates the stability of the system using a state space model, and section 6 presents the methods to design the passive components.…”

Section: Proprsed Solar Pv Power Conversion System (Spvpcs)mentioning

confidence: 99%

“…The converters connected to solar PV unit must be capable to track the PV array's maximum output continuously based on impedance matching. 20 Impedance matching is the process of matching the intermittent input impedance of the converter to its output impedance, so that the output side gets the maximum power. 22 This impedance matching is carried out by varying the duty ratio of the switching pulse of IQBC.…”

Section: Modelling and Steady State Analysis Of Solar Pv Fed Improvmentioning

confidence: 99%

“…The paper's remaining part is organised as follows: The mathematical modelling and steady state analysis of IQBC‐based SPVPCS are explained in section 3. IQBC‐based SPVPCS uses proven and simple Perturb and Observe (P&O) algorithm to track the maximum power 20 . The ability of P&O algorithm on IQBC is analysed in section 4.…”

Section: Proprsed Solar Pv Power Conversion System (Spvpcs)mentioning

confidence: 99%

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Performance improvement of solar PV power conversion system through low duty cycle DC‐DC converter

Alagu¹,

Prem²,

Sivaraman³

et al. 2020

Circuit Theory & Apps

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Characteristics like reliability and modularity of solar photovoltaic (SPV) units makes them one of the apt options for generating electric power. However, the input intermittency is their major lacuna, and power electronic circuits are being used to nullify this effect. A solar photovoltaic power conversion process includes a DC-DC converter in the plant side to deliver a fixed DC voltage and a DC-AC converter in the grid side for converting DC voltage in to grid compatible AC voltage. The high duty ratio of typical DC-DC boost converters limits the switching frequency and efficiency. In this article, a way to enhance the performance of a SPV unit using an improved quadratic boost converter (IQBC) is analysed. It can deliver a higher output voltage at lower duty ratio with Perturb and Observe (P&O) algorithm-based Maximum Power Point Tracking (MPPT). A 250 W prototype of IQBC-based Solar PV power conversion system (SPVPCS) is developed, and its performance is compared against conventional and quadratic boost converters and found that the IQBC-based solar power conversion system is efficient and the results are presented. K E Y W O R D S boost converter, duty ratio, improved quadratic boost converter, solar PV conversion, system, voltage gain 1 | INTRODUCTION Renewable energy resources are getting much importance nowadays due to wider exploitation of fossil fuels. 1 Even though there are several renewable energy sources available, wind and solar energy are gaining an edge over the other resources due to their reliability and ability to deliver higher power levels. But it does have a limitation; that is, the input for solar PV system is highly intermittent. This effect of input intermittency can be nullified using power converters. 2,3 DC-DC converters are used to nullify these fluctuations through step up/step down of DC voltage from solar PV panel. Even though higher voltage can be obtained by connecting panels in series, losses due to partial shading and cost will be the drawbacks. 4-6 To achieve voltage boost, a boost converter have to be operated at high duty ratio. While operating the converter in higher duty ratio, issues like high switching voltage stress, limited switching frequency, reverse recovery problem and electromagnetic interference may occur, and also, it affects the efficiency of the converter. 7 As a remedy to the above setbacks, many DC-DC boost converter topologies are proposed recently. 8 Cascaded boost converter gives an opportunity of obtaining high output voltage with less duty ratio. 9,10 Even though it offers individual panel level MPPT, its cascaded structure raises the cost of overall system. 11 SEPIC converter embedded with the MPPT

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Section: Proprsed Solar Pv Power Conversion System (Spvpcs)mentioning

confidence: 99%

Section: Modelling and Steady State Analysis Of Solar Pv Fed Improvmentioning

confidence: 99%

Section: Proprsed Solar Pv Power Conversion System (Spvpcs)mentioning

confidence: 99%

See 1 more Smart Citation

Performance improvement of solar PV power conversion system through low duty cycle DC‐DC converter

Alagu¹,

Prem²,

Sivaraman³

et al. 2020

Circuit Theory & Apps

View full text Add to dashboard Cite

show abstract

“…A storage system associated with PV generators in smart homes and electrical vehicles, responsible for ensuring the supply at all times and for several days despite the intermittent nature of the production. The reduction of the system cost, requires the use of a controller for a thorough and careful search of the maximum power point (MPPT) in changing atmospheric conditions .In order to increase the productivity and efficiency of a PV system [4], [5]. This control system consists of a power converter inserted between the PV source and the load; the maximum power point tracking (MPPT) is achieved by the duty cycle of the converter.…”

Section: Introductionmentioning

confidence: 99%

Nonlinear backstepping control of a partially shaded photovoltaic storage system

Khadija

Ouadia

Farchi

2022

IJEECS

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Many power converter architectures and control approaches, both traditional and unconventional, have been developed, investigated, and adjusted to handle the challenge of tracking the maximum power points of a partially shaded photovoltaic (PV) system, which fluctuates with meteorological conditions (radiation and temperature). A DC-DC converter was used as the power conditioning unit to determine the system’s maximum efficiency. In this research, we focus on developing a nonlinear controller for a DC-DC converter to track the overall maximum power point in a PV storage system under partial shading situations. This study presents a combination of two MPP search algorithms with a backstepping controller. The particle swarm optimization (PSO) and variable step Perturb and Observe (P&O)with global scan (VSP&O/GS) algorithms supply the PV output reference voltage to the backstepping controller in order to recover the maximum power from photovoltaic (PV) systems. The simulation results of the methods compared to the proposed maximum power point (MPPT) algorithm are simulated and examined in the MATLAB/Simulink environment under non-uniform irradiation conditions. To demonstrate the performance and limits of each approach in tracking the maximum power point.

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“…Many studies have researched the MPPT control issue of the PV system in recent years [3][4][5][6][7][8][9][10][11][12]. The MPPT methods for the PV system are summarized and compared in [13].…”

Section: Introductionmentioning

confidence: 99%

Maximum Power Point Tracking and Voltage Regulation of Two-Stage Grid-Tied PV System Based on Model Predictive Control

Liu

Lee

2020

Energies

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This paper proposes a maximum power point tracking (MPPT) and voltage regulation method based on model predictive control (MPC) for the two-stage grid-tied photovoltaic (PV) system, which can achieve MPPT and output voltage regulation of a PV system simultaneously. The MPPT algorithm based on MPC is implemented in a DC-DC boost converter. The reference voltage at maximum power point is obtained by dual step Incremental Conductance (I&C) algorithm under the rapidly varying illumination intensity, and the MPPT controller only needs to minimize one cost function of PV current, without pulse width modulation (PWM) module. To inject the generated PV power into the grid with high quality, this paper designs voltage regulation controller based on MPC to maintain the output voltage of the PV system at the desired value. The MPC controller outputs the optimal duty signal with the input and state constraints in the inner loop, and the PI controller in the outer loop is designed to improve the dynamic performance. The proposed method based on MPC was demonstrated using the SimPower systems tool in MATLAB/Simulink. Analysis and simulation results for the PV system show possible improvements on the closed-loop performance such as fast response and low overshoot.

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Practical Implementation of the Backstepping Sliding Mode Controller MPPT for a PV-Storage Application

Cited by 25 publications

References 37 publications

Performance improvement of solar PV power conversion system through low duty cycle DC‐DC converter

Performance improvement of solar PV power conversion system through low duty cycle DC‐DC converter

Nonlinear backstepping control of a partially shaded photovoltaic storage system

Maximum Power Point Tracking and Voltage Regulation of Two-Stage Grid-Tied PV System Based on Model Predictive Control

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