Evaluation of Shunt Model for Simulating Photovoltaic Modules

The complete single-diode model contains one current source, one diode, series, and shunt resistors, which is the most commonly used equivalent circuit for modeling photovoltaic (PV) cell or modules. Simplified models have been developed by eliminating either the shunt resistance or both resistances...

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Bibliographic Details
Published in:IEEE journal of photovoltaics 2018-11, Vol.8 (6), p.1818-1823
Main Authors: Mahmoud, Yousef, Xiao, Weidong
Format: Article
Language:English
Subjects:
Computational efficiency
Computer simulation
Computing time
Current sources
Equivalent circuits
Mathematical model
Maximum power point trackers
Maximum power point tracking
Model accuracy
Modules
photovoltaic
Photovoltaic cells
photovoltaic power systems
Photovoltaic systems
Resistors
Shunt resistance
Solar cells
Solar energy
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Summary:The complete single-diode model contains one current source, one diode, series, and shunt resistors, which is the most commonly used equivalent circuit for modeling photovoltaic (PV) cell or modules. Simplified models have been developed by eliminating either the shunt resistance or both resistances forming the simplified PV model and the ideal PV model, respectively. While these models have been thoroughly investigated and their pros and cons are well understood in the variety of applications, other simplified formation has not yet comprehensively been investigated or used. This paper investigates the characteristics of the shunt PV model and reveals the feasibility to be utilized for accurately modeling PV modules. A set of equations is derived to parameterize the model relying solely on the information available in manufacturer's datasheets. The model accuracy and its computational time are tested and compared to those of the available models with respect to experimental measurements. The results demonstrate the advantages of the shunt model, which provides a balance between model accuracy and computational time.
ISSN:2156-3381
2156-3403
DOI:10.1109/JPHOTOV.2018.2869493