2022
DOI: 10.3390/en15041549
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An Improved Partial Shading Detection Strategy Based on Chimp Optimization Algorithm to Find Global Maximum Power Point of Solar Array System

Abstract: A PV system’s operation highly depends on weather conditions. In case of varying irradiances or load changes, there is a power mismatch between various modules of the PV array. This power mismatch causes instability in the output of the PV system and deteriorates the overall system efficiency. To overcome instability and lower efficiency problems, and to extract maximum power from the PV system, various maximum power point tracking (MPPT) techniques are employed. The success of these techniques depends on the … Show more

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Cited by 12 publications
(9 citation statements)
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“…The GMPP tracked values of voltage, current, and power during PSC‐1, PSC‐2, and PSC‐3 are 768 V, 6.06 A, and 4649 W; 657 V, 5.15 A, and 3390 W; and 680 V, 5.35 A, and 3625 W, respectively. The same scenario has been considered to compare the proposed algorithm results in Figure 7 with the results of GMPP tracked by the falcon optimization algorithm (FOA), 28 enhanced gray wolf optimization algorithm (EGWO), 29 multidimensional cuckoo search algorithm (MDC), 31 and chimp optimization algorithm (ChOA) 46 in Figure 8. It is clear from Figure 8 that all algorithms take more time for tracking GMPP with large initial fluctuations causing more power loss.…”
Section: Simulation and Resultsmentioning
confidence: 99%
See 3 more Smart Citations
“…The GMPP tracked values of voltage, current, and power during PSC‐1, PSC‐2, and PSC‐3 are 768 V, 6.06 A, and 4649 W; 657 V, 5.15 A, and 3390 W; and 680 V, 5.35 A, and 3625 W, respectively. The same scenario has been considered to compare the proposed algorithm results in Figure 7 with the results of GMPP tracked by the falcon optimization algorithm (FOA), 28 enhanced gray wolf optimization algorithm (EGWO), 29 multidimensional cuckoo search algorithm (MDC), 31 and chimp optimization algorithm (ChOA) 46 in Figure 8. It is clear from Figure 8 that all algorithms take more time for tracking GMPP with large initial fluctuations causing more power loss.…”
Section: Simulation and Resultsmentioning
confidence: 99%
“…The searching agents, tuning parameters, and their specific goals have been discussed in the literature. 46,47 The main chimp variables and their position update are given in (7) and (8) as follows:…”
Section: Chimp Optimization Algorithm (Choa) Formulationmentioning
confidence: 99%
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“…An MPPT technique is proposed in [7], where the InC method is used to improve the convergence speed and the particle swarm optimization (PSO) algorithm is used to reduce ripples in the output power of a PV system. A hybrid technique for MPPT that combines a modified version of P&O and the chimp optimization algorithm (ChOA) is proposed in [8]. The Owl search algorithm is used together with the InC method to reduce the convergence time to the maximum power point and mitigate the inherent limitations of the conventional InC method in [9].…”
Section: Introductionmentioning
confidence: 99%