Abstract
For an efficient energy harvesting by the PV/thermoelectric system, the maximum power point tracking (MPPT) principle is targeted, aiming to operate the system close to peak power point. Under a uniform distribution of the solar irradiance, there is only one maximum power point (MPP), which easily can be efficiently determined by any traditional MPPT method, such as the incremental conductance (INC). A different situation will occur for the non-uniform distribution of solar irradiance, where more than one MPP will exist on the power versus voltage plot of the PV/thermoelectric system. The determination of the global MPP cannot be achieved by conventional methods. To deal with this issue the application of soft computing techniques based on optimization algorithms is used. However, MPPT based on optimization algorithms is very tedious and time consuming, especially under normal conditions. To solve this dilemma, this research examines a hybrid MPPT method, consisting of an incremental conductance (INC) approach and a moth-flame optimizer (MFO), referred to as (INC-MFO) procedure, to reach high adaptability at different environmental conditions. In this way, the combination of the two different algorithms facilitates the utilization of the advantages of the two methods, thereby resulting in a faster speed tracking with uniform radiation distribution and a high accuracy in the case of a non-uniform distribution. It is very important to mention that the INC method is used to track the maximum power point under normal conditions, whereas the MFO optimizer is most relevant for the global search under partial shading. The obtained results revealed that the proposed strategy performed best in both of the dynamic and the steady-state conditions at uniform and non-uniform radiation.
Highlights
IntroductionA rapid rapid increase increase of of utilized utilized fossil fossil fuels fuels and and the the limitation limitation on on producing producing this this fuel fuel in in aa largeA number of countries around the world has led to the depletion of fossil fuel, increasing the price and and number of countries around to the depletion of fossil fuel, increasing the price causing environment problems such as acid rain, air pollution and global warming [1,2]
Improving integration is presented in this paper
This is achieved by capturing the waste heat and using it integration is presented in this paper
Summary
A number of countries around the world has led to the depletion of fossil fuel, increasing the price and and number of countries around to the depletion of fossil fuel, increasing the price causing environment problems such as acid rain, air pollution and global warming [1,2]. Photovoltaic causing (PV) system system is considered considered an an effective way to capture solar irradiance irradiance and and directly directly converts converts it it to to (PV). PV systems are employed in different applications such as water electricity [3,4]. PV systems are employed in different applications such as water batteries [5,6,7]. PV solar conversion efficiency is considered relatively pumping and andcharging chargingvehicle vehicle batteries [5,6,7].
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