2006
DOI: 10.1109/tpel.2006.880242
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Dynamic maximum power point tracking of photovoltaic arrays using ripple correlation control

Abstract: A dynamically rapid method used for tracking the maximum power point of photovoltaic arrays, known as ripple correlation control, is presented and verified against experiment. The technique takes advantage of the signal ripple, which is automatically present in power converters. The ripple is interpreted as a perturbation from which a gradient ascent optimization can be realized. The technique converges asymptotically at maximum speed to the maximum power point without the benefit of any array parameters or me… Show more

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Cited by 467 publications
(160 citation statements)
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“…The switching ripple caused by the power transistor is used in [16], whereas [17] relies on the oscillation of the instantaneous power transferred to the grid. Yet, the level of this inherent ripple may not suffice, as it depends on characteristics of the inverter, such as the switching frequency and the size of the filter capacitors [16], [17]. For this reason, standard MPPT algorithms, like P&O and INC, perturb the converter duty cycle to introduce additional variation of the operating point [18].…”
Section: Ripple Control Modulementioning
confidence: 99%
“…The switching ripple caused by the power transistor is used in [16], whereas [17] relies on the oscillation of the instantaneous power transferred to the grid. Yet, the level of this inherent ripple may not suffice, as it depends on characteristics of the inverter, such as the switching frequency and the size of the filter capacitors [16], [17]. For this reason, standard MPPT algorithms, like P&O and INC, perturb the converter duty cycle to introduce additional variation of the operating point [18].…”
Section: Ripple Control Modulementioning
confidence: 99%
“…The MPP can be tracked through different MPPT algorithms that control the switching converter in order to obtain the maximum power under all conditions [4][5][6][7][8][9][10][11][12][13][14][15]. There are various methods, some of them are based on the well-known principle of perturb and observe (P&O) [7][8], on sliding mode control method [9][10], Ripple Correlation Control (RCC) [11], artificial neuronal networks or fuzzy based algorithms [12][13][14], amongst others.…”
Section: Fig 1 Structure Of the Grid-connected Pv Systemmentioning
confidence: 99%
“…There are various methods, some of them are based on the well-known principle of perturb and observe (P&O) [7][8], on sliding mode control method [9][10], Ripple Correlation Control (RCC) [11], artificial neuronal networks or fuzzy based algorithms [12][13][14], amongst others.…”
Section: Fig 1 Structure Of the Grid-connected Pv Systemmentioning
confidence: 99%
“…Tey and Mekhilef improved this algorithm by modulating the duty cycle of the dc-dc converter to accelerate the MPP process [12]. Other popular approaches include Parasitic Capacitance, Voltage based peak power tracking (VMPPT), Current based peak power tracking (CMPPT), fuzzy logic controller, Neural network, and Ripple correlation control (RCC) [13], [14], [15], [16]. They, however, have their own limitations that require further investigation, e.g, fuzzy-based controllers perform well under varying atmospheric conditions, but their effectiveness depends on the expert knowledge; VMPP and CMPP trackers are fast to reach the MPP, but the output power is influenced by load characteristics, environmental factors (insulation and temperature), and the type of tracker used.…”
Section: Introductionmentioning
confidence: 99%