Papers by Keyword: PV Module

Paper TitlePage

Authors: Kang Wen Sun, Chun Yang Liu, Gao Ming Liang, Ming Zhu
Abstract: The simulation model of PV module, which is based on Simulink software, the mathematical model and the equivalent circuit of PV module, is established in this paper. This PV module model can be used to show the output characteristics of PV module under different irradiations and temperatures. Moreover, this model can be extended to various parameters of PV modules and used to study parallel and serial characteristics of PV module. The output characteristics of PV module, which is affected greatly by light irradiation and ambient temperature, has obvious non-linear features. Therefore, a maximum power point tracker (MPPT) is needed. Compared with perturbation and observation (P&Q) control method and other MPPT control methods, incremental conductance (IncCond) method may be unease to be adopted because it needs a high-performance controller which is costliness. However, as IncCond method is suitable for the irradiation situation of both rapid and slow changes, it has important research meanings. Meanwhile, aiming at the disadvantage of a fixed tracking step size, a improved control method is put forward and simulated in this paper. Finally the simuliation results verify the accuracy and superiority of the improved IncCond method.
Authors: Xue Song Zhou, Xue Bo Shen, You Jie Ma
Abstract: Existing model of solar cells is not suitable for partial shading condition, which makes output current-voltage (I-V) curve of photovoltaic (PV) array staid-stepping. Furthermore, Power-Voltage (P-V) characteristics may exist more than two local peak value in partially shading which bring interferences to maximum power point tracking (MPPT). Based on modified engineering model of solar cells, an accurate model of array was proposed considering variation of shadows. And the I-V characteristic, P-V characteristic and yield of PV modules were analyzed. At last, the optimum output power with different shadows arrangement was discussed.
Authors: Nicoleta Irina Tatu, Cătălin Alexandru
Abstract: This paper presents the virtual prototype of the mono-axis tracking system used for improving the efficiency of a string of photovoltaic modules. The solar tracker simultaneously changes the daily position of the modules, using a linear actuator that drives a rack-pinion mechanism. The key in optimizing the tracking system is to maximize the received solar radiation and to minimize the energy consumption for tracking. The virtual prototype is developed using a digital platform which integrates the following software solutions: CATIA - for the solid modeling of the components, ADAMS - for developing the mechanical model in MBS (Multi-Body Systems) concept, and MATLAB/Simulink - for the control system design.
Authors: Tajudeen H. Sikiru, Olorunfemi Ojo, Boyi Jimoh
Abstract: Manufacturers usually specify photovoltaic (PV) modules at standard test conditions of and , which may not be attainable anywhere in the world. Therefore, to determine the performance of PV modules at naturally occurring irradiance and ambient temperature, this paper proposes a theoretical methodology. This method could be used to predict the performance of PV modules given the irradiance and the ambient temperature at the site of installation. A novel technique that is based on the current-voltage characteristic model is used, it accounts for the variability in the environmental parameters. The irradiance and the ambient temperature of Zaria, Nigeria were used as an illustrative example, which showed the effects of the environmental conditions on the performance of PV modules.
Authors: Yan Zhang, Meng Chao Ma, Shi Tao Wang, Yi Shu Zhao
Abstract: In order to meet the needs of experiments, teaching and training on output characteristics of PV solar panel, this paper designed and produced a real-time training experimental box to test the output characteristics of the PV module, basing on the principle and characteristics of the PV generation .The partial function of the experimental box is designed according to the operational principle of the PV streetlight. So it may be used combining with PV module or PV streetlight. It is a teaching and training tool to carry out appropriate experiments. The photovoltaic output characteristics have been verified by the test results on the equipment.
Authors: Paisit Luangjok, Somchai Maneewan, Atthakorn Thongtha
Abstract: Effects of shading and blocking of solar radiation intensity through Fresnel lens onto solar cell were investigated in this work. Fresnel lens was made of polyvinyl chloride to concentrate the solar radiation onto the polycrystalline silicon solar cell with the 0.767 m x 0.670 m in size and no cooling under the solar panels. The temperature and efficiency comparisons between solar module with and without Fresnel lens were observed. The performance of the two modules overtime is assessed by monitoring the characteristic I-V and P-V curves. The maximum efficiency of the solar panels with Fresnel lens and without Fresnel lens in each hour was approximately 5-6.7% and 8.8-11.5%, respectively. This lower efficiency of PV module with Fresnel lens was a result of unsuitable distance of Fresnel lens that operated with the PV module.
Authors: Shaikh Mohammad Fahim, Maruf Ahmed, Ahmed Rayhan Mahbub
Abstract: On the verge of exhausting fossil fuels, solar energy is the one of best options for the primary source of energy as it is renewable, eco-friendly and safe to use. An intelligent solar tracker will attempt to navigate to the best angle of exposure of the sun ensuring that the maximum amount of sunlight strikes the panel throughout the day. The main reason for pursuing this paper is to establish the idea that a tracker aided array of PV modules produces more power over a longer time than a stationary array with the same number of modules.
Authors: Soliman Mahmoud, Mejd Alsari, Esra Reda, Ruqiya Alhammadi
Abstract: In this paper a modeling method is investigated that finds the non-linear equation parameters of a photovoltaic (PV) module in order to obtain the desired PV model using any circuit simulator. This modeling method adjusts the I-V curve at three remarkable points: the open circuit voltage, the short circuit current, and the maximum power point [1]. Three models are realized using this technique namely, the single-diode model, the two-diode model, and the three-diode model. The evaluation study of the accuracy of these three models showed relative errors ranging from 32% to 50%. Further, this technique is improved by adjusting the I-V curve at more than three points depending on the number of unknowns to be found for each model, which showed a reduction in the relative error ranging from 0.37% to 38%.
Authors: Jin Yu Wang, Li Bing Sun, Jun Hai Shi, Jin Dong Zhao
Abstract: This paper researched the power generation characteristics of PV module by a variety of environmental factors through building a simulation model. Based on this module, it analyzed the effect of environmental factors, such as temperature, light intensity, dust deposition and other factors when the PV module operating respectively. Then, author compared the simulation data with the distributed PV system operating data in Shanghai to verify the reliability of the model. On the analysis of these data, this paper deeply researched the PV module output power and the variation of the attenuation characteristics.
Authors: M. Stojanović, S. Stanković, Dj. Vukić, P. Osmokrović, P. Vasić, A. Vasić
Showing 1 to 10 of 14 Paper Titles