Investigation of solar hybrid system with concentrating Fresnel lens, photovoltaic and thermoelectric generators

Willars-Rodríguez, F.J.; Chávez-Urbiola, Edgar Arturo; Vorobiev, P.; Vorobiev, Yu. V.

doi:10.1002/er.3614

Cited by 52 publications

(31 citation statements)

References 27 publications

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“…For a single TEM, its internal resistance (denoted Rm) can be expressed as follows [30]: (1) where lp, σp, Ap are the leg length (m), electricity resistivity (Ωm) and cross-sectional area (m 2 ) of a ptype semiconductor galvanic arm, respectively, n is the semiconductor pairs number, while ln, σn, An are the leg length, electricity resistivity and cross-sectional area of an n-type semiconductor galvanic arm, respectively. σp and σn can be treated as constants during a long time when the working condition is stable.…”

Section: Influence Of Temperature Uniformitymentioning

confidence: 99%

“…Owing to several advantages such as having little vibration, being highly reliable and durable, and having no moving parts, there have been considerable emphases on the development of thermoelectric modules (TEMs) for a variety of photovoltaic, automotive, military and aerospace applications over the past years [1][2][3][4]. With the rapid development of economy and society, automobiles have become a necessity.…”

Section: Introductionmentioning

confidence: 99%

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Performance Investigation of an Exhaust Thermoelectric Generator for Military SUV Application

et al. 2018

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Abstract:To analyze the thermoelectric power generation for sports utility vehicle (SUV) application, a novel thermoelectric generator (TEG) based on low-temperature Bi 2 Te 3 thermoelectric modules (TEMs) and a chaos-shaped brass heat exchanger is constructed. The temperature distribution of the TEG is analyzed based on an experimental setup, and the temperature uniformity optimization method is performed by chipping peak off and filling valley is taken to validate the improved output power. An automobile exhaust thermoelectric generator (AETEG) using four TEGs connected thermally in parallel and electrically in series is assembled into a prototype military SUV, its temperature distribution, output voltage, output power, system efficiency, inner resistance, and backpressure is analyzed, and several important influencing factors such as vehicle speed, clamping pressure, engine coolant flow rate, and ambient temperature on its output performance are tested. Experimental results demonstrate that higher vehicle speed, larger clamping pressure, faster engine coolant flow rate and lower ambient temperature can enhance the overall output performance, but the ambient temperature and coolant flow rate are less significant. The maximum output power of AETEG is 646.26 W, the corresponding conversion efficiency is 1.03%, and the increased backpressure changes from 1681 Pa to 1807 Pa when the highest vehicle speed is 125 km/h.

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Section: Influence Of Temperature Uniformitymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Performance Investigation of an Exhaust Thermoelectric Generator for Military SUV Application

et al. 2018

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“…[95][96][97][98] On the other hand, high temperature causes to reduce the generated power because of increasing internal resistance of solar cells. [95][96][97][98] On the other hand, high temperature causes to reduce the generated power because of increasing internal resistance of solar cells.…”

Section: Square Cells Circular Solar Imagementioning

confidence: 99%

Generation and combination of the solar cells: A current model review

Khatibi

Astaraei

Ahmadi

2019

Energy Science & Engineering

101

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Generally, first and second generations of photovoltaic (PV) cells are including mono‐crystalline silicon, amorphous silicon, and dye‐synthesized solar cells. Investigating the electrical current behavior of these sorts of PV cells shows that a modified multi‐ or single diode(s) model with shunt and series resistance can use as a good choice in a specific range of the current. For other constructions such as multi‐junction PV cells that consist of the third generation, the network models are the best choice. Also, the network models can be used for the first and second generations to improve the validity of model in the wider range of current. In addition to existing generations, PV array and modules, which are serial and parallel arrays of PV cells, will lead to a higher current or voltage. The main disadvantage of using these sorts of systems is their more space occupation. This problem can be solved by using the concentrated PV (CPV) systems that focus the received irradiation on a smaller surface. By considering the generated current, voltage, power, temperature effect, and financial analysis, it seems third‐generation PV systems are more efficient among all the generations. Finally, by considering the ratio of generated current on the occupied space, the CPV systems will be a better choice.

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“…They combined the Monte Carlo method and the finite difference time domain method to analyse the solar irradiance distributions on the upper surface of the PV‐TE. Willars‐Rodríguez et al descripted a hybrid module consisting of concentrating Fresnel lens, PV modules, Thermoelectric generator (TEG) module, and heat absorbing element. The experimental results show that this system can generate the eclectic power of 7.0 W and the thermal power of 30.0 W with the input solar radiation power of 120 W. Pang et al evaluated the thermal behaviours and the cooling characteristic of a PV‐TE system with an optimized TE–heat sink (HS) integrating structure.…”

Section: Introductionmentioning

confidence: 99%

Simulation and experiment of a PV‐MCHP‐TE system and ambient parameters impacts

Zhou

Liu

2020

Int J Energy Res

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Summary Combining the photovoltaic (PV) with the thermoelectric (TE) can obtain higher electrical outputs, because the thermal energy produced by the PV cells can be used to produce more electricity by the TE device. This paper built the mathematical model on the energy flow of the PV–microchannel heat pipe (MCHP)–TE system then verified the correctness of the model via the experiment. In addition, the impacts of the different wind speed, different solar radiation, and different ambient temperature on the PV‐MCHP‐TE system have been analysed. The result shows that the maximum difference value of the power output between the simulation and experiment is 0.16 W, so the simulated values and experimental values are in good agreement. At the same time, within the scope of the ambient parameters set in the simulation, when the solar radiation raises, the electrical efficiency of the PV‐MCHP‐TE system decreases, but when the wind speed raises, the electrical efficiency of this system will decrease more and more slowly. This work will lay the foundation for the performance forecasting of the system throughout the year.

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Investigation of solar hybrid system with concentrating Fresnel lens, photovoltaic and thermoelectric generators

Cited by 52 publications

References 27 publications

Performance Investigation of an Exhaust Thermoelectric Generator for Military SUV Application

Performance Investigation of an Exhaust Thermoelectric Generator for Military SUV Application

Generation and combination of the solar cells: A current model review

Simulation and experiment of a PV‐MCHP‐TE system and ambient parameters impacts

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