Experimental investigation on the abasement of operating temperature in solar photovoltaic panel using PCM and aluminium

Rajvikram, M.; Leoponraj, S.; Ramkumar, Sriram Poyyapakkam; Akshaya, H; Dheeraj, Ajay

doi:10.1016/j.solener.2019.05.067

Cited by 112 publications

(12 citation statements)

References 30 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Liquid specific heat capacity was not effective for storing the thermal energy such as latent heat of fusion (mushy state). Secondly, in this experiment, PCM failed to discharge the stored thermal energy during sunshine hours, because thermal conductivity of the PCM was low, increasing the thermal conduction resistance within the liquid PCM, and the PCM back sheet (tin combined with aluminium) was not an effective thermal dissipater as compared to pure aluminium [39]. Increasing the thickness of PCM enhanced the heat transfer between the PV module and the PCM [58][59][60].…”

Section: Temperature Profile Of Pv Modulementioning

confidence: 94%

See 1 more Smart Citation

Experimental Investigations Conducted for the Characteristic Study of OM29 Phase Change Material and Its Incorporation in Photovoltaic Panel

Elavarasan¹,

Velmurugan

Subramaniam

et al. 2020

Energies

View full text Add to dashboard Cite

The solar photovoltaic (PV) system is emerging energetically in meeting the present energy demands. A rise in PV module temperature reduces the electrical efficiency, which fails to meet the expected energy demand. The main objective of this research was to study the nature of OM29, which is an organic phase change material (PCM) used for PV module cooling during the summer season. A heat transfer network was developed to minimize the experimental difficulties and represent the working model as an electrical resistance circuit. Most existing PV module temperature (TPV) reduction technology fails to achieve the effective heat transfer from the PV module to PCM because there is an intermediate layer between the PV module and PCM. In this proposed method, liquid PCM is filled directly on the back surface of the PV module to overcome the conduction barrier and PCM attains the thermal energy directly from the PV module. Further, the rear side of the PCM is enclosed by tin combined with aluminium to avoid any leakages during phase change. Experimental results show that the PV module temperature decreased by a maximum of 1.2 °C using OM29 until 08:30. However, after 09:00, the OM29 PCM was unable to lower the TPV because OM29 is not capable of maintaining the latent heat property for a longer time and total amount of the PCM experimented in this study was not sufficient to store the PV module generated thermal energy for an entire day. The inability of the presented PCM to lower the temperature of the PV panel was attributed to the lower melting point of OM29. PCM back sheet was incapable of dissipating the stored PCM’s thermal energy to the ambient, and this makes the experimented PCM unsuitable for the selected location during summer.

show abstract

Section: Temperature Profile Of Pv Modulementioning

confidence: 94%

“…To prevent this contact loss and physical damage, PCM is filled on the back surface of the PV module directly [39]. Nada et al used 10-cm PCM and its rear side was sealed using a 5-mm galvanized sheet to prevent leaks [40].…”

Section: Introductionmentioning

confidence: 99%

Experimental Investigations Conducted for the Characteristic Study of OM29 Phase Change Material and Its Incorporation in Photovoltaic Panel

Elavarasan¹,

Velmurugan

Subramaniam

et al. 2020

Energies

View full text Add to dashboard Cite

show abstract

“…To make the model more accurate, a series resistor is usually added to the circuit. 28 When the solar cell is exposed to temperature changes (especially at high temperatures), it loses a lot of precision. For this purpose, a parallel resistor is added to the circuit to increase model accuracy at high temperatures.…”

Section: Pv Panelmentioning

confidence: 99%

“…In different working conditions of solar cells (sunrise, noon, sunset), the panels have a certain instantaneous power, which is the voltage of the panels multiplying the current of the panels. 28 Now, if we divide the voltage over the current, the internal resistance of the panels at that moment will be obtained for a certain amount of sunlight. According to the basic power calculation rules, the maximum load power must be equal to the resistance of the other parts of the circuit (RL = Rth).…”

Section: Buck Convertermentioning

confidence: 99%

“…Because of the great parasitic capacitors in the PV panel's ground point, the leakage current of the PV connected non-isolated network is an important issue. 27,28 PWM control algorithms and topologies on the converter side can be used in order to decrease this current. Multi-level boost converters have suggested to reduce the voltage stresses on the power switch and generate the higher DC voltages.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Sliding mode controller‐based e‐bike charging station for photovoltaic applications

Huang

Feng

Ghaderi

2020

Int Trans Electr Energ Syst

View full text Add to dashboard Cite

Summary PV‐based and wired type of the electrical bicycles (e‐bike) battery charging stations widely is spreading because of the resonant network limitations and low efficiency of the wireless mode for these stations. The generated voltage of many of the PV panels such as JIYANGYIN HR‐200 W‐24 V at the maximum power point is around 36VDC. So, a step‐down converter with a PID controller for Maximum Power Point Tracking (MPPT) of the PV panels is considered between PV panels and boost converter in order to decrease this voltage and enhance the current values for the load side. A sliding mode controller (SMC) equipped with a non‐isolated DC‐DC boost converter with reduced voltage stresses on the power switch is presented. The step‐up converter increases the voltage to the utility level of the e‐bike with around 360 Wh amount of energy. The main concerns about the converters are the efficiency, voltage, and current stresses, number of active or passive components in the converter topology and simplicity. In comparison with a conventional step‐up converter, the selected converter has a lower dynamic loss in the input inductor that can give a proper efficiency by considering its higher voltage gain. The average state‐space model for the SMC is used and the main advantage of the controller is its independency to the inductor current or the amount of the load. The proposed SMC is compared with PID and Fuzzy Logic Controller (FLC) methods and based on the results, the robustness, overshoot, and damping factor of the controller are at an acceptable and better level. All mathematical, simulation and comparison results are presented. A 720 Wh circuit has been implemented for charging all types of the Li‐Ion or Li‐Polymer batteries with 36VDC and 10 Ah specifications.

show abstract

Research Progress of Photovoltaic Cooling Systems Based on Phase Change Materials: An Overview

Liu,

Zhang,

Hua

et al. 2024

Energy Tech

View full text Add to dashboard Cite

Photovoltaic technology plays a crucial role in harnessing renewable energy. While photovoltaic panels directly convert solar energy into electricity, more than 50% of solar radiation is lost as waste heat, diminishing the overall efficiency of the panels. This study reviews various cooling technologies for photovoltaic systems, focusing on the use of phase change materials for cooling in photovoltaic systems. Phase change materials, known for their high latent heat capacity, are extensively used in thermal energy storage applications. Incorporating phase change materials in photovoltaic systems can increase thermal storage potential by 30–50% compared to conventional systems, leading to a 70% extension in heat storage duration and various levels of enhanced power output. The main purpose of the article is to review the advantages and disadvantages of various technologies, determine the research direction of phase change materials for cooling systems in photovoltaics, and ensure the reliability of this technology.

show abstract

Experimental investigation on the abasement of operating temperature in solar photovoltaic panel using PCM and aluminium

Cited by 112 publications

References 30 publications

Experimental Investigations Conducted for the Characteristic Study of OM29 Phase Change Material and Its Incorporation in Photovoltaic Panel

Experimental Investigations Conducted for the Characteristic Study of OM29 Phase Change Material and Its Incorporation in Photovoltaic Panel

Sliding mode controller‐based e‐bike charging station for photovoltaic applications

Research Progress of Photovoltaic Cooling Systems Based on Phase Change Materials: An Overview

Contact Info

Product

Resources

About