Optimization of stand-alone photovoltaic system by implementing fuzzy logic MPPT controller
A photovoltaic (PV) generator is a nonlinear device having insolation-dependent volt-ampere characteristics. Since the maximum-power point varies with solar insolation, it is difficult to achieve an optimum matching that is valid for all insolation levels. Thus, Maximum power point tracking (MPPT...
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| Format: | Thesis |
| Language: | English English English |
| Published: |
2013
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| Subjects: | |
| Online Access: | http://eprints.uthm.edu.my/6704/1/24p%20MOKHTAR%20HASHIM.pdf http://eprints.uthm.edu.my/6704/2/MOKHTAR%20HASHIM%20COPYRIGHT%20DECLARATION.pdf http://eprints.uthm.edu.my/6704/3/MOKHTAR%20HASHIM%20WATERMARK.pdf http://eprints.uthm.edu.my/6704/ |
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| Institution: | Universiti Tun Hussein Onn Malaysia |
| Language: | English English English |
| Summary: | A photovoltaic (PV) generator is a nonlinear device having insolation-dependent
volt-ampere characteristics. Since the maximum-power point varies with solar
insolation, it is difficult to achieve an optimum matching that is valid for all
insolation levels. Thus, Maximum power point tracking (MPPT) plays an
important roles in photovoltaic (PV) power systems because it maximize the
power output from a PV system for a given set of condition, and therefore
maximize their array efficiency. This project presents a maximum power point
tracker (MPPT) using Fuzzy Logic theory for a PV system. The work is focused
on a comparative study between most conventional controller namely Perturb and
Observe (P&O) algorithm and is compared to a design fuzzy logic controller
(FLC). The introduction of fuzzy controller has given very good performance on
whatever the parametric variation of the system. |
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