Gotowe bibliografie tematyczne / PV ARRAY TOPOLOGIES

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Gotowa bibliografia na temat „PV ARRAY TOPOLOGIES”

Autor: Grafiati

Data publikacji: 11 września 2023

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Artykuły w czasopismach na temat "PV ARRAY TOPOLOGIES"

Raju Pendem, Suneel, Suresh Mikkili, Shriram S. Rangarajan, Sudhakar Avv, Randolph E. Collins i Tomonobu Senjyu. "Optimal Hybrid PV Array Topologies to Maximize the Power Output by Reducing the Effect of Non-Uniform Operating Conditions". Electronics 10, nr 23 (2.12.2021): 3014. http://dx.doi.org/10.3390/electronics10233014.

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The photovoltaic (PV) system center inverter architecture comprises various conventional array topologies such as simple-series (S-S), parallel (P), series-parallel (S-P), total-cross-tied (T-C-T), bridge-linked (B-L), and honey-comb (H-C). The conventional PV array topologies under non-uniform operating conditions (NUOCs) produce a higher amount of mismatching power loss and represent multiple maximum-power-points (M-P-Ps) in the output characteristics. The performance of T-C-T topology is found superior among the conventional topologies under NUOCs. However, T-C-T topology’s main limitations are higher redundancy, more number of electrical connections, higher cabling loss, poor performance during row-wise shading patterns, and more number of switches and sensors for the re-configuration of PV modules. This paper proposes the various optimal hybrid PV array topologies to overcome the limitations of conventional T-C-T array topology. The proposed hybrid topologies are such as series-parallel-cross-tied (S-P-C-T), bridge-link-cross-tied (B-L-C-T), honey-comb-cross-tied (H-C-C-T), series-parallel-total-cross-tied (S-P-T-C-T), bridge-link-total-cross-tied (B-L-T-C-T), honey-comb-total-cross-tied (H-C-T-C-T), and bridge-link-honey-comb (B-L-H-C). The proposed hybrid topologies performance is evaluated and compared with the conventional topologies under various NUOCs. The parameters used for the comparative study are open-circuit voltage, short-circuit current, global-maximum-power-point (GMPP), local-maximum-power-point (LMPP), number of LMPPs, and fill factor (FF). Furthermore, the mismatched power loss and the conversion efficiency of conventional and hybrid array topologies are also determined. Based on the results, it is found that the hybrid array topologies maximize the power output by mitigating the effect of NUOCs and reducing the number of LMPPs.

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Premkumar, Manoharan, Umashankar Subramaniam, Thanikanti Sudhakar Babu, Rajvikram Madurai Elavarasan i Lucian Mihet-Popa. "Evaluation of Mathematical Model to Characterize the Performance of Conventional and Hybrid PV Array Topologies under Static and Dynamic Shading Patterns". Energies 13, nr 12 (20.06.2020): 3216. http://dx.doi.org/10.3390/en13123216.

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The analysis and the assessment of interconnected photovoltaic (PV) modules under different shading conditions and various shading patterns are presented in this paper. The partial shading conditions (PSCs) due to the various factors reduce the power output of PV arrays, and its characteristics have multiple peaks due to the mismatching losses between PV panels. The principal objective of this paper is to model, analyze, simulate and evaluate the performance of PV array topologies such as series-parallel (SP), honey-comb (HC), total-cross-tied (TCT), ladder (LD) and bridge-linked (BL) under different shading patterns to produce the maximum power by reducing the mismatching losses (MLs). Along with the conventional PV array topologies, this paper also discusses the hybrid PV array topologies such as bridge-linked honey-comb (BLHC), bridge-linked total-cross-tied (BLTCT) and series-parallel total-cross-tied (SPTCT). The performance analysis of the traditional PV array topologies along with the hybrid topologies is carried out during static and dynamic shading patterns by comparing the various parameters such as the global peak (GP), local peaks (LPs), corresponding voltage and current at GP and LPs, fill factor (FF) and ML. In addition, the voltage and current equations of the HC configuration under two shading conditions are derived, which represents one of the novelties of this paper. The various parameters of the SPR-200-BLK-U PV module are used for PV modeling and simulation in MATLAB/Simulink software. Thus, the obtained results provide useful information to the researchers for healthy operation and power maximization of PV systems.

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Singh, Santosh Kumar, Anurag Singh Yadav, Ashutosh Srivastava i Amarjeet Singh. "Power Enhancement from Solar PV Array Topologies under Partial Shading Condition". SAMRIDDHI : A Journal of Physical Sciences, Engineering and Technology 10, nr 01 (25.07.2018): 33–40. http://dx.doi.org/10.18090/samriddhi.v10i01.5.

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In this paper, a detailed study is carried out on the solar photovoltaic (PV) array topologies under various shading patterns. The aim of this study is to investigate the mismatch effect losses in PV modules for non uniform irradiations. The shading causes not only power losses, but also non-linearity of P-V characteristics. Under partial shaded conditions, the P-V and I-V characteristics exhibit extreme non-linearity along with multiple load maxima. In this paper, the investigations of the optimal layout of PV modules in a PV array are worked out to provide maximum output power under various shaded conditions. Three type of solar PV array topologies e.g. Series-parallel (SP), Total cross tied (TCT) and Bridge link (BL) are considered for various typesof shaded patterns. The modeling of solar PV array for various types of topologies is done in MATLAB/Simulink environment. The extensive results have been taken on these topologies for partial shading patterns and analyzed, which proves the TCT topology performance is better as compared to other topologies for most of the shading patterns.

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Ye, Cheng-En, Cheng-Chi Tai i Yu-Pei Huang. "Disperse Partial Shading Effect of Photovoltaic Array by Means of the Modified Complementary SuDoKu Puzzle Topology". Energies 16, nr 13 (24.06.2023): 4910. http://dx.doi.org/10.3390/en16134910.

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This paper presents a novel modified Complementary SuDoKu puzzle (MC-SDKP) topology for the static reconfiguration of photovoltaic (PV) arrays. It was developed with the aim of enhancing the power output of a PV array which is exposed to partially shaded conditions (PSCs). To disperse patterns of both center shading and corner shading, the MC-SDKP technique modified and combined the Optimal SDKP and the Complementary SDKP (C-SDKP) topologies. An 8 × 8 PV array configured with the MC-SDKP topology was exposed to nine different shading patterns, and its performance was compared with that of the other four topologies. The results of the performance evaluation confirmed that, when configured according to the MC-SDKP, the PV array produced the highest average power output among all five topologies, with a 15.07% higher output on average than the total-cross tied. The PV array with the MC-SDKP topology also exhibited the lowest average power loss (1.34%). This study clearly established the effectiveness of the MC-SDKP topology at mitigating the effects of both center and corner shading. The advantages of the MC-SDKP reconfiguration technique are: an increase in extracted power, a reduction in current mismatch losses, an improvement in shade dispersion under conditions of center shading, and good scalability.

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Mansur, AA, MAU Haq, Md H. Maruf, ASM Shihavuddin, Md R. Amin i KK Islam. "Experimental Investigation of PV Array Interconnection Topologies at Nonuniform Aging Condition for Power Maximization". GUB Journal of Science and Engineering 6, nr 1 (13.10.2020): 39–45. http://dx.doi.org/10.3329/gubjse.v6i1.52049.

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In vast Photovoltaic (PV) power plant the output power production decreases significantly due to the fact of non-uniform aging of PV modules. The non-uniform aging of PV modules increases current-voltage (I-V) mismatch among the array modules and causes mismatch power loss (MPL). There are different interconnection topologies of the PV module in an array to minimize MPL and thus maximize the array output power. This paper investigates four different interconnection topologies experimentally on a 4×4 nonuniformly aged PV array. Three different patterns of PV module rearrangement are used to investigate the performance of each interconnection topology in terms of array output power and MPL. The experimental results show that the proposed interconnection topology is yields about 3.28% (average) higher output power than that of the most commonly used series-parallel array topology. GUB JOURNAL OF SCIENCE AND ENGINEERING, Vol 6(1), Dec 2019 P 39-45

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Pareek, Smita, i Ratna Dahiya. "Output Power Comparison of TCT & SP Topologies for Easy-to-Predict Partial Shadow on a 4×4 PV Field". Applied Mechanics and Materials 612 (sierpień 2014): 71–76. http://dx.doi.org/10.4028/www.scientific.net/amm.612.71.

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The power generated by solar photovoltaic system depends on insolation, temperature and shading situation etc. These days’ solar PV arrays are mainly building integrated. Therefore PV array are often under partial shadow. The feature of these shadows can be either easy-to-predict (like neighbour’s chimney, nearby tree or neighbouring buildings) or difficult-to-predict (passing clouds, birds litter).Thus output power obtained by PV arrays decreases in a considerable manner. In this paper, output powers, currents and voltages for SP & TCT topologies are calculated for different patterns of easy-to-predict partial shading conditions on a 4×4 PV field.

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Mas'ud, Abdullahi Abubakar. "The Combined Effect of Current Boosting and Power Loss on Photovoltaic Arrays under Partial Shading Conditions". Engineering, Technology & Applied Science Research 13, nr 1 (5.02.2023): 9932–40. http://dx.doi.org/10.48084/etasr.5369.

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This study proposes a novel technique for improving the performance of photovoltaic (PV) arrays under Partial Shading Conditions (PSCs). A 4×4 solar PV array with 16 panels was considered. Bridge-Linked (BL), Total Cross-Tied (TCT), Honey Comp (HC), One Cross-Link (OCL), and Two Cross-Link (TCL) were among the topologies of interest. First, the combined effect of connecting switches and partial shading on the PV array was studied. Then, the power loss/gain caused by reconfiguring the PV array structure from Series-Parallel (SP) to other schemes was investigated. Finally, a method of boosting current into the PV array is proposed to reduce PSCs-related power losses in the connecting switches. The results show that the number of connecting switches in the topology plays an important role in determining power gain or loss at different partial shading levels. TCT and HC outperformed the others in terms of power improvement when PSCs were considered without current boosting. This is true for different levels of solar irradiation exposure. The SP topology is optimal when the solar irradiation level is greater than 900W/m2 or less than 200W/m2. TCT outperformed the others when the current was boosted in the PV array, with a power improvement of 108%, for certain PSCs.

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Ishak, Mohammad Syahir Bin, Rahmatul Hidayah Salimin, Ismail Musirin i Zulkiffli Abdul Hamid. "Development of PV array configuration under different partial shading condition". International Journal of Power Electronics and Drive Systems (IJPEDS) 10, nr 3 (1.09.2019): 1263. http://dx.doi.org/10.11591/ijpeds.v10.i3.pp1263-1269.

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This paper investigates the performances of different photovoltaic (PV) array under several shading condition. Four types of photovoltaic array configuration scheme which are ‘Series’ (S), Series-Parallel’ (SP), Total-Cross-Tied’ (TCT), and ‘Bridge-Link’ (BL) array topologies were tested by applying a 6x6 PV array under 6 different shading scenarios. The modeling is developed using Matlab/Simulink. The performances and output characteristics of photovoltaic array are compared and analyzed. System engineer can use the detailed characteristics of different array configuration to approximate the outcome power and pick the best configuration of the system by concerning the current natural condition to enhance the overall efficiency.

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Singh, Neha, i Prof Govind Prasad Pandiya. "Interpretation of MPPT Techniques in Grid Connected Solar PV Array System". IJOSTHE 5, nr 6 (12.02.2019): 5. http://dx.doi.org/10.24113/ojssports.v5i6.96.

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Solar energy is one of the most used and readily available renewable energy sources among the other energy sources. The power generated by PV systems is dependent on solar irradiance and temperature parameters. In the literature, many researchers and studies are interested in estimating true maximum efficiency point for the PV systems. Due to that fact, MPPT applications and techniques become an important issue for PV systems under both uniform and non uniform conditions. Although, PV system under uniform environment has only one maxima point on P-V curve which is simple to estimate correctly by conventional MPPT techniques, it is not as simple as under non-uniform condition such as partial shading and mismatch effects. To overcome the drawbacks of the conventional MPPTs under non uniform condition, researchers has been investigated new soft computing MPPTs, PV array configurations, system architectures and topologies.

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Alves, Tiago, João Paulo N. Torres, Ricardo A. Marques Lameirinhas i Carlos A. F. Fernandes. "Different Techniques to Mitigate Partial Shading in Photovoltaic Panels". Energies 14, nr 13 (27.06.2021): 3863. http://dx.doi.org/10.3390/en14133863.

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The effect of partial shading in photovoltaic (PV) panels is one of the biggest problems regarding power losses in PV systems. When the irradiance pattern throughout a PV panel is inequal, some cells with the possibility of higher power production will produce less and start to deteriorate. The objective of this research work is to present, test and discuss different techniques to help mitigate partial shading in PV panels, observing and commenting the advantages and disadvantages for different PV technologies under different operating conditions. The motivation is to contribute with research, simulation, and experimental work. Several state-of-the-artsolutions to the problem will be presented: different topologies in the interconnection of the panels; different PV system architectures, and also introducing new solution hypotheses, such as different cell interconnections topologies. Alongside, benefits and limitations will be discussed. To obtain actual results, the simulation work was conducted by creating MATLAB/Simulink models for each different technique tested, all centered around the 1M5P PV cell model. The several techniques tested will also take into account different patterns and sizes of partial shading, different PV panel technologies, different values of source irradiation, and different PV array sizes. The results will be discussed and validated by experimental tests.

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Rozprawy doktorskie na temat "PV ARRAY TOPOLOGIES"

PALAWAT, KARNI PRATAP. "ANALYTICAL INVESTIGATION OF PV ARRAY TOPOLOGIES UNDER VARIOUS PARTIAL SHADING CONDITIONS". Thesis, 2020. http://dspace.dtu.ac.in:8080/jspui/handle/repository/18028.

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As solar energy has become, a crucial part of human life as well as renewable in nature leading to clean and green in nature. It is been observed that this is future viable source of energy generation. Many researcher and policy makers are advocating for this. As in near future taking slight shift towards solar energy. Before that we have to address some of the peculiar issues associated with solar PV modules. For that in this work author has tried to address some of the issues related to modules such as maximum power output during partial shading condition, hotspot, reduction in temperature rise. For this analysis we have used MATLAB/Simulink@ for modeling of PV array (User defined) as per our requirement. And three topologies are simulated, further the same has been done using hardware 3*3 PV array is formed using EXIDE INDIA LIMITED (EIL-40) modules each have capacity of 40 W. Further tried to replicate five partial shading conditions and results are formed and compared and best suited topology is advised for particular shading pattern. As in experiment author has tried to relate and compare the simulation and hardware analysis which has good experience altogether. Comparison is done mostly based upon fill factor, performance ratio, maximum power etc.

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"A Simulator for Solar Array Monitoring". Master's thesis, 2016. http://hdl.handle.net/2286/R.I.39460.

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abstract: Utility scale solar energy is generated by photovoltaic (PV) cell arrays, which are often deployed in remote areas. A PV array monitoring system is considered where smart sensors are attached to the PV modules and transmit data to a monitoring station through wireless links. These smart monitoring devices may be used for fault detection and management of connection topologies. In this thesis, a compact hardware simulator of the smart PV array monitoring system is described. The voltage, current, irradiance, and temperature of each PV module are monitored and the status of each panel along with all data is transmitted to a mobile device. LabVIEW and Arduino board programs have been developed to display and visualize the monitoring data from all sensors. All data is saved on servers and mobile devices and desktops can easily access analytics from anywhere. Various PV array conditions including shading, faults, and loading are simulated and demonstrated. Additionally, Electrical mismatch between modules in a PV array due to partial shading causes energy losses beyond the shaded module, as unshaded modules are forced to operate away from their maximum power point in order to compensate for the shading. An irradiance estimation algorithm is presented for use in a mismatch mitigation system. Irradiance is estimated using measurements of module voltage, current, and back surface temperature. These estimates may be used to optimize an array’s electrical configuration and reduce the mismatch losses caused by partial shading. Propagation of error in the estimation is examined; it is found that accuracy is sufficient for use in the proposed mismatch mitigation application.
Dissertation/Thesis
Masters Thesis Electrical Engineering 2016

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Części książek na temat "PV ARRAY TOPOLOGIES"

Palawat, Karni Pratap, Vinod Kumar Yadav, R. L. Meena i Santosh Ghosh. "Experimental Investigation of Performance of PV Array Topologies under Simulated PSCs". W Applied Soft Computing and Embedded System Applications in Solar Energy, 47–64. First edition. | Boca Raton, FL : CRC Press, 2021. |: CRC Press, 2021. http://dx.doi.org/10.1201/9781003121237-3.

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Palawat, Karni P., Vinod K. Yadav, Ramjee L. Meena i Santosh Ghosh. "Comparative Performance of Different PV Array Topologies Under Partial Shading Condition". W Lecture Notes in Electrical Engineering, 367–80. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-0749-3_27.

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Ebrahimi, Reza, Hossein Madadi Kojabadi i Liuchen Chang. "Application of DC-DC Converters at Renewable Energy". W Nanogenerators and Self-Powered Systems [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.108210.

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Photovoltaics usually produce low voltage at their outputs. So, in order to inject their power into utility grids, the output voltage of solar panels should be increased to grid voltage level. Usually, the boost DC-DC converters will be connected between solar panels and grid-connected inverters to boost the panels\' output voltage to more than 320 V (for 380/220 utilities). Various DC-DC converter topologies have been proposed in the past three decades to boost the photovoltaic panels\' output voltage which will be discussed in this proposal. In order to increase the life span of photovoltaic panels, the DC-DC converts should absorb continuous low ripple current from solar panels. Maximum power point tracking (MPPT) is an algorithm implemented in photovoltaic (PV) inverters by DC-DC technology to continuously adjust the impedance seen by the solar array to keep the PV system operating at, or close to, the peak power point of the PV panel under varying conditions, like changing solar irradiance, temperature, and humidity. In this research work, various topologies of DC-DC converters that are suitable for renewable energy applications along with the advantages and disadvantages of control methods and the stability of converters with related control methods are discussed.

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Kumar, Vulisi Narendra, Gayadhar Panda i Bonu Ramesh Naidu. "Seamless Control and Unified Dynamic Energy Management in a Renewable/Clean Energy Integrated Self-Reliant DC Microgrid". W Handbook of Research on Power and Energy System Optimization, 511–51. IGI Global, 2018. http://dx.doi.org/10.4018/978-1-5225-3935-3.ch015.

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The growing demand for electrical energy calls for the assimilation of renewable energy sources to the main utility grid. Multiple renewable energy sources (RESs) like solar PV array, wind turbine, micro-hydro plant, etc. can be combined and controlled to form a microgrid. In spite of the availability of different microgrid topologies, DC microgrid largely facilitates the injection of DC power from various renewable energy sources into the stabilised DC power pool. The requirement for a minimal number of conversion stages, simple structure, economic operation, and numerous localised applications are driving factors for the DC microgrid technology. The mettle of the DC microgrid technology lies in choosing the appropriate microgrid participants for energy interchange and the suitable supervisory control to tap power from the microgrid partakers even after respecting their operating constraints. The use of high gain DC-DC converters is inevitable in DC microgrid due to the low terminal voltage levels of different RESs.

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Kumar, Vulisi Narendra, Gayadhar Panda i Bonu Ramesh Naidu. "Seamless Control and Unified Dynamic Energy Management in a Renewable/Clean Energy Integrated Self-Reliant DC Microgrid". W Research Anthology on Clean Energy Management and Solutions, 1083–122. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-9152-9.ch047.

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Kumar, Vulisi Narendra, Gayadhar Panda i Bonu Ramesh Naidu. "Seamless Control and Unified Dynamic Energy Management in a Renewable/Clean Energy Integrated Self-Reliant DC Microgrid". W Research Anthology on Smart Grid and Microgrid Development, 253–92. IGI Global, 2022. http://dx.doi.org/10.4018/978-1-6684-3666-0.ch013.

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Streszczenia konferencji na temat "PV ARRAY TOPOLOGIES"

Yadav, Anurag Singh, Vinod K. Yadav i Shilpa Choudhary. "Power Enhancement from Solar PV Array Topologies under Partial Shading Condition". W 2018 International Conference on Power Energy, Environment and Intelligent Control (PEEIC). IEEE, 2018. http://dx.doi.org/10.1109/peeic.2018.8665461.

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A., Gbadega Peter, i A. K. Saha. "Effects and Performance Indicators Evaluation of PV Array Topologies on PV Systems Operation Under Partial Shading Conditions". W 2019 Southern African Universities Power Engineering Conference/Robotics and Mechatronics/Pattern Recognition Association of South Africa (SAUPEC/RobMech/PRASA). IEEE, 2019. http://dx.doi.org/10.1109/robomech.2019.8704823.

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Agrawal, Niti, i Avinashi Kapoor. "Power loss mitigation in partially shaded solar PV array through different interconnection topologies". W INTERNATIONAL CONFERENCE ON PHOTONICS, METAMATERIALS & PLASMONICS: PMP-2019. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5120926.

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Zhang, Jianmin, Yukuan Wang, Chao Gong, Yongzhen Li, Yi Cui i Tianli Jiao. "Generic Fault Cell Model and Cell-based Characteristic Fault Topologies of PV Array". W 2021 International Conference on Power System Technology (POWERCON). IEEE, 2021. http://dx.doi.org/10.1109/powercon53785.2021.9697598.

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R. R, Ramya, i Banumathi J. "ANFIS Based Routing For the Efficient Transfer of Photovoltaic Parameters". W The International Conference on scientific innovations in Science, Technology, and Management. International Journal of Advanced Trends in Engineering and Management, 2023. http://dx.doi.org/10.59544/ujkg9812/ngcesi23p50.

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An accurate performance assessment approach is extremely useful for researching the electrical properties of PV production systems because of the high cost of PV modules. The nonlinear exponential coefficients that are typically used in conventional analytical PV models must have a significant number of unidentified properties discovered before they can be used. Voltage and current are the two separate inputs of the suggested ANFIS, and the outcome is the power output of each arrangement. The recommended model’s capability to analytically define current-voltage (I-V) and the conventional techniques for ANFIS-based routing ensure that the data is properly saved in the cloud. The ANFIS networks is trained using evaluation information from various PV array topologies. Results from simulations and experiments support the suggested techniques viability and efficacy.

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Mishra, Partha P., i Hosam K. Fathy. "Can Photovoltaic Battery Energy Storage Systems Be Self-Balancing?" W ASME 2016 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/dscc2016-9754.

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This paper proposes a novel approach for integrating battery storage into photovoltaic (PV) arrays. The approach relies on the integration of PV arrays with individual batteries to form “hybrid cells” that are then assembled into series strings. We use Lyapunov analysis to show that the proposed hybrid strings are globally asymptotically self-balancing, meaning that initial variations in state of charge (SOC), no matter how large, converge to zero. The PV subsystem serves as a negative feedback path that guarantees self-balancing without requiring dedicated balancing circuits. This significantly reduces the cost of the power electronics needed for integrating batteries into PV farms, compared to typical integration topologies. The paper uses local linearization to approximate the balancing rate, thereby highlighting its independence of battery pack length and elucidating its dependence on subsystem sizing. Finally, a simulation study validates the paper’s theoretical insights regarding self-balancing, and examines its sensitivity to parameter heterogeneities.

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Abolhasani, Mohammad Amin, Reza Rezaii, Reza Beiranvand i Ali Yazdian Varjani. "A comparison between buck and boost topologies as module integrated converters to mitigate partial shading effects on PV arrays". W 2016 7th Power Electronics and Drive Systems Technologies Conference (PEDSTC). IEEE, 2016. http://dx.doi.org/10.1109/pedstc.2016.7556889.

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