Strategic Modulation of Thermal to Electrical Energy Ratio Produced From Pv/T Module

Abstract

Several strategies have been developed to enhance the performance of a solar photovoltaicthermal (PV/T) system in buildings. However, these systems are limited by the cost, complex structure and power consumed by the pump. This paper proposes an optimisation method conversion strategy that modulates the ratio of thermal to electrical energy from the photovoltaic (PV) cell, to increase the PV/T system’s performance. The design and modelling of a PV cell was developed in MATLAB/Simulink to validate the heat transfer occurring in the PV cell model, which converts the radiation (solar) into heat and electricity. A linear regression equation curve was used to define the ratio of thermal to electrical energy technique, and the behavioural patterns of various types of power (thermal and electrical) as a function of extrinsic cell resistance (Rse). The simulation results show an effective balance of the thermal and electrical power when adjusting the Rse. The strategy to modulate the ratio of thermal to electrical energy from the PV cell may optimise the PV/T system’s performance. A change of Rse might be an effective method of controlling the amount of thermal and electrical energy from the PV cell to support the PV/T system temporally, based on the energy need. The optimisation technique of the PV/T system using the PV cell is particularly useful for households since they require electricity, heating, and cooling. Applying this technique demonstrates the ability of the PV/T system to balance the energy ( thermal and electrical) produced based on the weather conditions and the user’s energy demands.

Design and performance evaluation of selective energy optimization of PV/T system

“…Photovoltaic cell power dissipation as a function of R se . The performance evaluation of the PV cell composed of the diode, R si and R pi based on the influence of varying R se was conducted in an exciting study (Moussavou et al, 2021). Figure 5 illustrates the increase of the total power dissipated (P d ) by (990-3490 W) as R se increases.…”

“…Comparing the electrical power of the PV cell to PV/T cell, respectively in Figure 8 and Figure 16, the average electrical power of the PV/T cell in Figure 16 was 3.16, 1.67 and 0.36 kW when R se was set to 0, 10, and 50 Ω, respectively. While in Figure 8, the average electrical power of the PV cell was 2.84, 1.43 and 0.30 kW when R se was set to 0, 10 and 50 Ω, separately (Moussavou et al , 2021). It was found that the electrical power efficiency increased by 11.6% in the PV/T system when R se is 0 Ω.…”