Comparison between maximum power point tracking algorithms for dc/dc power converters

Garbarino, Matías; Morales, Rodrigo; Henriquez, Pablo; Cuevas, Saul; Rohten, Jaime; Rubio, Angel David Martín; Wernekinck, Eugenio; Melín, Pedro

doi:10.1109/chilecon.2017.8229543

Cited by 5 publications

(1 citation statement)

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“…Maximum power point tracking (MPPT) traces the operational intersection of voltage and current at which maximum power yield is ensured. A comprehensive assessment of various MPPT techniques has been conducted by the authors of [4][5][6], detailing their advantages and limitations. The analysis reveals that the fixed step perturbs and observe (FSPnO) MPPT approach demands minimal computational resources; however, it may be vulnerable as it has slow response and convergence, output oscillation, and is problematic in tracking local maxima during partial shading conditions (PSC), even with optimal parameter settings.…”

Section: Introductionmentioning

confidence: 99%

Progressive Step Maximum Power Tracker for Cascaded Inverter Induction Motor Drive

GHOSH,

SAHA

2024

RRST-EE

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This paper presents the idea of an isolated photovoltaic (PV) based cascaded two-level inverter (CTLI), driving squirrel cage induction motor (SCIM). The connected non-linear load approximately represents a centrifugal pump. The control system of this drive is based on a motor control system along with a progressive step perturb and observe (PSPnO) maximum power point tracking (MPPT) technique for the PV sources towards better utilization of the source. This PSPnO MPPT system intends to operate the SCIM so that the energy developed by PV is utilized entirely through variation of the dc-link voltages of the CTLI under both uncertain variances of non-linear load torque and unpredictable solar irradiance. This PSPnO MPPT algorithm has been engaged in the control scheme for generating reference dc-link voltage. This motor control system is designed to operate in a rotor-flux-oriented rotating reference frame. As for generating CTLI’s switching pulses, the space vector pulse width modulation (SVPWM) technique has been used for its good dynamic response. The whole system is designed to be deployable on a low-computation device. The simulations conducted by Simulink and the results are furnished considering various operational conditions.

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Section: Introductionmentioning

confidence: 99%