A Direct Maximum Power Point Tracking Method for Single-Phase Grid-Connected PV Inverters

Faicel EL Aamri; Hattab Maker; Dezso Sera; Sergiu Spataru; Josep M. Guerrero; Azeddine Mouhsen

doi:10.1109/TPEL.2017.2780858

A Direct Maximum Power Point Tracking Method for Single-Phase Grid-Connected PV Inverters

Faicel EL Aamri, Hattab Maker, Dezso Sera, Sergiu Spataru, Josep M. Guerrero, Azeddine Mouhsen

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Abstract

A direct maximum power point tracking (MPPT) method for PV systems has been proposed in this work. This method solves two of the main drawbacks of the Perturb and Observe (P&O) MPPT, namely: i) the tradeoff between the speed and the oscillations in steady-state, ii) and the poor effectiveness in dynamic conditions, especially in low irradiance when the measurement of signals becomes more sensitive to noise. The proposed MPPT is designed for single-phase single-stage grid-connected PV inverters, and is based on estimating the instantaneous PV power and voltage ripples, using second-order generalized integrator-based quadrature signal generator (SOGI-QSG). We analyzed the global stability of the closed-loop control system and validated the proposed algorithm through simulation and experiments on an advanced test platform according to the EN 50530 standard. The experimental results confirm the performance of the proposed method in terms of both speed and tracking efficiency.

Original language	English
Journal	IEEE Transactions on Power Electronics
Volume	33
Issue number	10
Pages (from-to)	8961 - 8971
Number of pages	11
ISSN	0885-8993
DOIs	https://doi.org/10.1109/TPEL.2017.2780858
Publication status	Published - Oct 2018

Keywords

Single-stage PV Inverter
Lyapunov Stability
MPPT
P&O
EN 50530 standard

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title = "A Direct Maximum Power Point Tracking Method for Single-Phase Grid-Connected PV Inverters",

abstract = "A direct maximum power point tracking (MPPT) method for PV systems has been proposed in this work. This method solves two of the main drawbacks of the Perturb and Observe (P&O) MPPT, namely: i) the tradeoff between the speed and the oscillations in steady-state, ii) and the poor effectiveness in dynamic conditions, especially in low irradiance when the measurement of signals becomes more sensitive to noise. The proposed MPPT is designed for single-phase single-stage grid-connected PV inverters, and is based on estimating the instantaneous PV power and voltage ripples, using second-order generalized integrator-based quadrature signal generator (SOGI-QSG). We analyzed the global stability of the closed-loop control system and validated the proposed algorithm through simulation and experiments on an advanced test platform according to the EN 50530 standard. The experimental results confirm the performance of the proposed method in terms of both speed and tracking efficiency.",

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AU - Sera, Dezso

AU - Spataru, Sergiu

AU - Guerrero, Josep M.

AU - Mouhsen, Azeddine

PY - 2018/10

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N2 - A direct maximum power point tracking (MPPT) method for PV systems has been proposed in this work. This method solves two of the main drawbacks of the Perturb and Observe (P&O) MPPT, namely: i) the tradeoff between the speed and the oscillations in steady-state, ii) and the poor effectiveness in dynamic conditions, especially in low irradiance when the measurement of signals becomes more sensitive to noise. The proposed MPPT is designed for single-phase single-stage grid-connected PV inverters, and is based on estimating the instantaneous PV power and voltage ripples, using second-order generalized integrator-based quadrature signal generator (SOGI-QSG). We analyzed the global stability of the closed-loop control system and validated the proposed algorithm through simulation and experiments on an advanced test platform according to the EN 50530 standard. The experimental results confirm the performance of the proposed method in terms of both speed and tracking efficiency.

AB - A direct maximum power point tracking (MPPT) method for PV systems has been proposed in this work. This method solves two of the main drawbacks of the Perturb and Observe (P&O) MPPT, namely: i) the tradeoff between the speed and the oscillations in steady-state, ii) and the poor effectiveness in dynamic conditions, especially in low irradiance when the measurement of signals becomes more sensitive to noise. The proposed MPPT is designed for single-phase single-stage grid-connected PV inverters, and is based on estimating the instantaneous PV power and voltage ripples, using second-order generalized integrator-based quadrature signal generator (SOGI-QSG). We analyzed the global stability of the closed-loop control system and validated the proposed algorithm through simulation and experiments on an advanced test platform according to the EN 50530 standard. The experimental results confirm the performance of the proposed method in terms of both speed and tracking efficiency.

KW - Single-stage PV Inverter

KW - Lyapunov Stability

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JO - IEEE Transactions on Power Electronics

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A Direct Maximum Power Point Tracking Method for Single-Phase Grid-Connected PV Inverters

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Keywords

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