Abstract
Experimental measurements were done for characterizing current-voltage and power-voltage of two types of photovoltaic (PV) solar modules; monocrystalline silicon (mc-Si) and copper indium gallium di-selenide (CIGS). The conversion efficiency depends on many factors, such as irradiation and temperature. The assembling measures as a rule cause contrast in electrical boundaries, even in cells of a similar kind. Additionally, if the misfortunes because of cell associations in a module are considered, it is hard to track down two indistinguishable photovoltaic modules. This way, just the I-V, and P-V bends' trial estimation permit knowing the electrical boundaries of a photovoltaic gadget with accuracy. This measure gives extremely significant data to the plan, establishment, and upkeep of PV frameworks. Three methods, simplified explicit, slope, and iterative, are used to compute two solar models' parameters using MATLAB code. The percentage maximum power errors at (600 and 1000) W/m2 for both current-voltage and power-voltage values with the corresponding measured ones using the slope method are 0.5% and 3% for monocrystalline silicon copper indium gallium di-selenide, respectively. The iterative method is 5 % and 10% for monocrystalline silicon and copper indium gallium di-selenide. Finally, for the simplified explicit 8% and 9%, for monocrystalline silicon and copper indium gallium di-selenide, respectively. The slope method gives more close results with the corresponding measured values than the other two methods for the two PV solar modules used. Consequently, the slope method is less influenced by the meteorological condition.
Highlights
استخراج العوامل الكهربائية الاربعة للوح الشمسي سيليكون أحادي البلورية والنحاس الإنديوم الغاليوم ثنائي سيلينيد باستخدام طرق مختلفة
INTRUDUCTION Recently, the world is moving towards the use of alternative energy systems. This led to an increase in the utilization of renewable energy where the solar station is one of the most prominent renewable power stations, On-Grid PV solar-type that is the lowest cost among the other types of hybrid and Off-Grid PV solar stations, as well as, the On-Grid need lease maintenance compared with others. (Obaid, et al, 2020)
A few boundary extraction techniques have been proposed lately, and some of the commitments are being evaluated here. These strategies can be classified into three categories such as analytic, iterative, and evolutionary computational methods (Subudhi et al, 2011).The aim of the present work is to compute 4-parameters of a solar model for two types of solar modules using three different computing methods; simplified explicit method, slope method, an iterative method, and these methods are simple and close accurate, to the experimental measurements
Summary
استخراج العوامل الكهربائية الاربعة للوح الشمسي سيليكون أحادي البلورية والنحاس الإنديوم الغاليوم ثنائي سيلينيد باستخدام طرق مختلفة. (Ahmad, et al, 2016) introduced a correlation between the twofold diode model and single-diode model of photovoltaic (PV) module to ascertain the exactness of PV cell for various variable boundaries. From this time forward, the two models were performing Mat lab code by changing the model's boundaries with comparable setups. In any case, (Chen, et al, 2020) proposed a broadening upgraded Harris falcon's improvement (HHO) in light of the disorderly floats roughly the best specialist and a resistance-based exploratory system This was directed to distinguish obscure boundaries of photovoltaic model modules proficiently. The model of four-parameter supposes that shunt resistance of infinite value and can obtain from the basic equation of output current of the PV module (Khezzar, 2009): I
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