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Gotowa bibliografia na temat „PV BASED MICRO GRID”

Autor: Grafiati

Data publikacji: 11 września 2023

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Artykuły w czasopismach na temat "PV BASED MICRO GRID"

Zhao, Hui, Han Wang, Hong Jun Wang i You Jun Yue. "Grid-Connection Control of PV Power Generation in Micro-Grid". Applied Mechanics and Materials 391 (wrzesień 2013): 311–14. http://dx.doi.org/10.4028/www.scientific.net/amm.391.311.

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In the analysis of PV cells mathematical model based on the use of the admittance incremental method with constant voltage integrated maximum power point tracking (MPPT) method. In the micro-grid, PV power generation using the constant power (PQ) control, to achieve active and reactive power control. Matlab / Simulink simulation environment model of PV cells and an integrated method for maximum power point tracking, simulation results show that the synthesis method faster track to the maximum power point of the PV installations. Established PQ control model of micro-grid which based on the SVPWM, PV installations connected to the grid after the LCL filter, simulations show that the tracking of active and reactive power through the PQ control.

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Premkumar, Manoharan, Kanagarathinam Karthick i Rayichandran Sowmya. "A Review on Solar PV Based Grid Connected Microinverter Control Schemes and Topologies". International Journal of Renewable Energy Development 7, nr 2 (10.07.2018): 171–82. http://dx.doi.org/10.14710/ijred.7.2.171-182.

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From the last decade, there is an increase in the demand of electricity, this will causing depletion in the fossil fuels which results increase in cost. So the focus is shifted to use of renewable energy sources along with the only utility grid but it is not sufficient to supply the power different loads. To overcome these problems, micro-grid (MG) is introduced and it is powered by renewable distributed generation (DG) systems, such as, micro turbines, fuel cells, PV and wind generation due to the limited fossil fuel. Out of the above sources, solar energy provides extraordinary benefits including environmental friendly, surplus availability and low installation cost due to the advanced technology and mass production. The solar grid connected micro inverters gain lot of intention in past few years due to its simple construction, reliability and endurability. Moreover, the grid connected micro inverter has high reliability and it can operate in abnormal conditions also like variations in voltage and current. The micro-inverter has attracted recent market success due to unique features such as lower installation cost, improved energy harvesting, and improved system efficiency. This article gives detailed review on different topologies for grid connected solar PV micro-inverter and suggests the reliable, suitable and efficient topology for micro-inverter.Article History: Received Dec 16th 2017; Received in revised form May 14th 2018; Accepted June 1st 2018; Available onlineHow to Cite This Article: Premkumar, M., Karthick, K and Sowmya, R. (2018) A Review on Solar PV Based Grid Connected Microinverter Control Schemes and Topologies. Int. Journal of Renewable Energy Development, 7(2), 171-182.https://doi.org/10.14710/ijred.7.2.171-182

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Xue, Lei, Li Bin Wang, Zhi Gang Wang i Shu Ying Li. "Energy Management System Research for Wind-PV-ES Hybrid Microgrid Based on Storage Battery". Advanced Materials Research 660 (luty 2013): 139–45. http://dx.doi.org/10.4028/www.scientific.net/amr.660.139.

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Energy management strategy is important to keep microgrid stable. In this paper, energy management strategy of Wind-PV-ES hybrid microgrid is proposed. Due to the power output of wind and PV are unknown quantities, the key point of Wind-PV-ES hybrid energy management lies in the energy management of storage battery. The flow charts of energy management strategy are given in detail and Wind-PV-ES microgrid model is built with DigSILENT/PowerFactory. Then the transition state simulation as to the micro-grid mode switching process is carried out. The result shows that the proposed energy management strategy could keep connected bus voltage and micro-grid frequency stable in grid-connected mode, islanding mode and during micro-grid mode switching.

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Gbadega, Peter Anuoluwapo, i Olufunke Abolaji Balogun. "Active and Reactive Power Droop Controller Design for Reliable and Optimal Control of Renewable-Based Micro-Grid". Advanced Engineering Forum 41 (7.07.2021): 111–36. http://dx.doi.org/10.4028/www.scientific.net/aef.41.111.

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Technical concerns about micro-grid dynamics, particularly in autonomous (island) mode necessitate revision of current paradigms in control of energy systems. Advanced control techniques are imperative segments for micro-grid realization. In general, micro-grids and the integration of distributed energy resources (DER) units introduce a number of operational challenges that required to be addressed in the control design and protection systems such that the reliability and stability levels are not affected significantly and subsequently ensured that the distributed generations (DGs) potential benefits are wholly harnessed. In this paper, the micro-grid coordination strategy was investigated by simply analysing the present micro-grid situation and various control strategies. More so, active-reactive power (P/Q) and droop controller based on proportional-integral (PI) and model predictive control (MPC) were designed to control the inverter output of the micro-sources. A micro-grid model, which has two photovoltaic (PV) and one wind turbine (WT) blocks, were built in MATLAB/Simulink to simulate the following three cases in this study. The three cases are as follows, the switching of operation mode between the grid connected and islanded mode, increasing and decreasing of loads in islanded mode and the disconnection of one PV system at a certain time in islanded mode. Therefore, through the simulation analyses, the MPC controller utilized in this micro-grid as compared to the PI controller, achieved desirable efficiency of the inverter’s power control and shared the load power effectively.

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Rajanna, B. V., SVNL Lalitha, Ganta Joga Rao i S. K. Shrivastava. "Solar Photovoltaic Generators with MPPT and Battery Storage in Microgrids". International Journal of Power Electronics and Drive Systems (IJPEDS) 7, nr 3 (1.09.2016): 701. http://dx.doi.org/10.11591/ijpeds.v7.i3.pp701-712.

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Maximum power point tracking (MPPT) of a photo voltaic system with different temperature and insolation conditions used for Micro grids can be explained in this paper. The different steps of the design of this controller are presented together with its simulation and the feasibility of control methods to be adopted for the operation of a micro grid when it becomes isolated. Normally, the micro grid operates in interconnected mode with the medium voltage network; however, scheduled or forced isolation can take place. In such conditions, the micro grid must have the ability to operate stably and autonomously. An evaluation of the need of storage devices and load to take off strategies is included in this paper. Solar photovoltaic (PV) energy has witnessed double-digit growth in the past decade. The penetration of PV systems as distributed generators in low-voltage grids has also seen significant attention. In addition, the need for higher overall grid efficiency and reliability has boosted the interest in the microgrid concept. High-efficiency PV-based microgrids require maximum power point tracking (MPPT) controllers to maximize the harvested energy due to the nonlinearity in PV module characteristics. This paper proposes an approach of coordinated and integrated control of solar PV generators with the maximum power point tracking (MPPT) control and battery storage control to provide voltage and frequency (V-f) support to an islanded microgrid. The simulation studies are carried out with the IEEE 13-bus feeder test system in grid connected and islanded microgrid modes. The MPPT of a Photovoltaic System for Micro Grid operation is successfully designed and simulated by using MATLAB/Simulink Software in this paper.

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Wang, Xiaobin, i Hairong Zou. "A coordinated control strategy based on Photovoltaic-hybrid energy storage system". E3S Web of Conferences 261 (2021): 01012. http://dx.doi.org/10.1051/e3sconf/202126101012.

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Photovoltaic power generation is changing day by day, but its system has drawbacks. To compensate for the shortcomings of PV power generation system, the micro-grid system of PV power generation with HES is constructed by using the complementary characteristics of battery and supercapacitor. On the basis of this, we introduce a fuzzy control to realize the fast response of hybrid energy system. A micro-grid model is built based on Matlab/Simulink to verify the feasibility and rationality of the proposed control strategy.

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Nishrina, A. G. Abdullah, A. Risdiyanto i ABD Nandiyanto. "Hybrid Energy System Design of Micro Hydro-PV-biogas Based Micro-grid". IOP Conference Series: Materials Science and Engineering 180 (marzec 2017): 012080. http://dx.doi.org/10.1088/1757-899x/180/1/012080.

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Bhanja, Archan, Anil Kumar i Anshuman Gupta. "Solar Equipment Based Micro Grid in Hilly Terrains of Rural India - A Broad Perspective". International Journal of Innovative Technology and Exploring Engineering 10, nr 2 (10.12.2020): 26–35. http://dx.doi.org/10.35940/ijitee.b8241.1210220.

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Rural electrification is an essential requirement for improving the lives of people residing in rural areas and improving their image among the international community. To install Photo Voltaic (PV) panels in isolated regions as per government plans and regulations, solar-based micro grids are needed for Efficiency in the Energy Sector. There are many components required for installing and operating a micro grid. In addition, the location of the micro grid also plays a vital role in the installation. To analyze the difficulties and challenges, especially in hilly terrains, a detailed review of the factors involved in installation of solar-based micro grid is carried out. The general challenges involving the technical difficulties such as the stability, reliability, power imbalance, control and operation are presented in this paper. Stand-alone models of micro grids are described along with its advantages. The government initiatives like subsidies and funding for rural electrification is discussed. As a case study, two micro grids in India, one at Ladakh and one at west Bengal are presented. These case studies bring out the problems and issues faced during the rural electrification and recommendations were given for the future scope.

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Iksan, Nur, Purwanto i Heri Sutanto. "Smart Micro Grid Architecture for Realtime Monitoring of Solar Photovoltaic Based on Internet of Things". IOP Conference Series: Earth and Environmental Science 1203, nr 1 (1.06.2023): 012042. http://dx.doi.org/10.1088/1755-1315/1203/1/012042.

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Abstract The use of PV solar energy as an alternative renewable energy source has increased worldwide. The smart grid monitoring system is applied on a micro scale for the fulfilment of household electricity needs or Smart Home Micro Grid (SHMG) using Artificial Intelligent (AI) and Internet of Things (IoT) approaches. Problems in solar PV systems include uncertainty and non-linearity which have an impact on the increasingly complex structure of the energy data generated and accelerate control and decision making. The forecasting process carried out using the AI approach is indispensable for the utilization of PV systems, especially for distributed residential PV that is operated and maintained independently. Furthermore, the use of IoT technology is also important to accelerate information processing and improve performance in the monitoring system. The purpose of this research is to develop a solar PV monitoring system framework at SHMG to optimize the performance of the electricity supply sourced from solar PV basen on IoT.

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Madhu, G. N. "Grid Integration using ANFIS for Hybrid DG and Storage Units to Control and Manage Power". International Journal for Research in Applied Science and Engineering Technology 9, nr 10 (31.10.2021): 782–91. http://dx.doi.org/10.22214/ijraset.2021.38497.

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Abstract: The significant role in the DC micro grid is renewable sources like hydrogen energy, Photovoltaic (PV), and wind systems. However, the difficult task in the DC micro grid is to balance the power generation and load demand due to the continuous changes in sustainable sources. In this study, focused on the power control and stabilize the power at different dynamic conditions with power management approaches. In this paper, fuel cell (FC), lithium-ion based batteries and super capacitors (SC) are proposed with PV based DC micro grid system for improving the system performance. Furthermore, adaptive neuro-fuzzy inference system (ANFIS) is suggested in this system for mitigating the deviations in PV plant due to variations in temperature. The suggested system has been designed on the MATLAB environment. The simulation results reveal that the suggested approaches give better improvement in various operating conditions with ANFIS approach. Keywords: PV system, Fuel cell, supercapacitor, ANFIS, DC Microgrid.

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Rozprawy doktorskie na temat "PV BASED MICRO GRID"

Xu, Yize. "Reference model based power smoothing for stand-alone hybrid PV-diesel micro grid". Thesis, University of British Columbia, 2013. http://hdl.handle.net/2429/45654.

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Photovoltaic (PV) generator generates clean energy but also brings active power fluctuation to the network. The thesis investigates the frequency stability issue of a MW level stand-alone hybrid micro grid which contains PV generator, diesel generator, storage unit and loads. The PV generator can only generate as much power as the sun provides. The resulting power mismatch between PV generation and load demand needs to be compensated. The slow responding diesel generator is designed to compensate for the steady state power mismatch. The battery, as the fast responding storage unit, is set to reject the power transients. A battery control method based on the micro grid frequency feedback and PV output feed-forward is presented to satisfy the requirement of active power compensation in transients. It will be shown that the method keeps the stand - alone micro grid frequency within a specified region and provides the diesel generators more margin of time to adjust their output for better diesel efficiency.

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Tian, Feng. "SOLAR-BASED SINGLE-STAGE HIGH-EFFICIENCY GRID-CONNECTED INVERTER". Master's thesis, University of Central Florida, 2005. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3503.

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Renewable energy source plays an important role in the energy cogeneration and distribution. Traditional solar-based inverter system is two stages in cascaded, which has a simpler controller but low efficiency. A new solar-based single-stage grid-connected inverter system can achieve higher efficiency by reducing the power semiconductor switching loss and output stable and synchronized sinusoid current into the utility grid. Controlled by the digital signal processor, the inverter can also draw maximum power from the solar array, thereby maximizing the utilization of the solar array. In Chapter 1, a comparison between the traditional two-stage inverter and the single-stage inverter is made. To increase the ability of power processing and enhance the efficiency further, a full-bridge topology is chosen, which applies the phase-shift technique to achieve zero-voltage transition. In Chapter 2, average-mode and switch-mode Pspice simulations are applied. All the features of the inverter system are verified, such as stability, zero voltage transition and feed-forward compensation, etc. All these simulation results provide useful design tips for prototyping. In Chapter 3, a phase-shift controller is designed based on UCC3895. Also, a detailed design procedure is given, including key components selection, transformer and inductor design and driver circuits design. In Chapter 4, experimental results of a prototype DC/DC converter are presented and analyzed. By optimization of the circuit, the problems of the prototype are solved and the prototype is working stably. The thesis' conclusion is given in Chapter 5.
M.S.E.E.
Department of Electrical and Computer Engineering
Engineering and Computer Science
Electrical Engineering

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Fuad, Syed Ahmed. "Consensus Based Distributed Control in Micro-Grid Clusters". Thesis, Michigan Technological University, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10267526.

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With the increasing trend of utilizing renewable energy generators such as photovoltaic (PV) cells and wind turbines, power systems are transforming from a centralized power grid structure to a cluster of smart micro-grids with more autonomous power sharing capabilities. Even though the decentralized control of power systems is a reliable and cost effective solution, due to the inherent heterogeneous nature of micro-grids, optimal and efficient power sharing among distributed generators (DG’s) is a major issue which calls for advanced control techniques for voltage stabilization of the entire micro-grid cluster. The proposed consensus based algorithm in this thesis is a solution to overcome these control challenges, which only requires each DG to exchange information with its directly connected neighboring DG’s, in order to maintain the power balance and voltage stability of the entire micro-grid cluster. The proposed method in this thesis is simulated in PSCAD and its effectiveness is demonstrated using several realistic and practical cases including micro-grid topology changes, communication delays, and load changes.

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Kronebrant, Mattias. "Cost comparison of solar home systems and PV micro-grid : The influence of inter-class diversity". Thesis, Högskolan i Halmstad, Akademin för ekonomi, teknik och naturvetenskap, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-33997.

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Nearly one fifth of the global population lacks access to electricity and electricity access is essential for economic growth and human well-being. SHSs and micro-grids both have the possibility of increasing the electricity access in developing countries. The decision to choose either SHSs or micro-grids for rural electrification is a complex task that must consider both the technological factors that separate these two systems and the non-technological factors. Separate times of peak load between households (inter-class diversity) has shown to be one major advantage for the use of micro-grids. Studies have shown that the diversity factor present in micro-grids can scale down the necessary capacity of PV modules and energy storage of up to 80%, in comparison to stand-alone systems (e.g. SHSs). These reductions are nevertheless based on assumed diversity factors, not using real load profiles and the necessary capacities are calculated using intuitive methods (known to be inexact). From interviews in a rural community of Nicaragua, the author generated load profiles and determined the diversity factor of the community. The load profiles were generated with a specially designed software to formulate realistic load profiles for off-grid consumers in rural areas. These load profiles were later used in the software HOMER where the diversity’s influence on required capacity and NPC were determined by comparing SHSs to a PV based micro-grid. The study showed that the required capacity and NPC of the inverter and charge controller are clearly decreased as an influence of inter-class diversity. The required PV and battery capacity are also decreased when a micro-grid is utilized, but these reductions are most likely a result from the limited nominal power per component considered in HOMER.
Nästan en femtedel av världens befolkning saknar tillgång till elektricitet. Nicaragua är ett av de länder där en stor del av befolkningen saknar eltillgång och det gäller speciellt hushållen på landsbygden. Utbyggnader av elnätet till dessa områden är ofta låg-prioriterade på grund av höga kostnader för att tillgodose ett många gånger lågt energi och effektbehov. En alternativ lösning för att ge dessa hushåll tillgång till elektricitet är att använda off-grid system, system frikopplade från det nationella elnätet. Två vanligt förekommande off-grid system är solar home systems (SHSs) och micro-grids. Det faktum att flera hushåll ofta använder sin toppeffekt vid olika tillfällen (sammanlagring av effekt) har visat sig vara till stor fördel för micro-grids. Tidigare studier har visat att sammanlagringsfaktorn i ett micro-grid kan reducera nödvändig kapacitet av solceller och energilager upp till 80%, i jämförelse med enskilda system (t.ex. SHSs). Dessa studier bygger dock på antagna sammanlagringsfaktorer, overkliga lastprofiler och nödvändig kapacitet beräknas med intuitiva metoder. Med data från intervjuer i ett landsbygdssamhälle i Nicaragua skapas lastprofiler och en sammanlagringsfaktor beräknas för samhället. Lastprofilerna skapas i en programvara utvecklad för att formulera realistiska lastprofiler för off-grid konsumenter i landsbygdsområden. Lastprofilerna används senare i programvaran HOMER där sammanlagringens påverkan på nödvändig kapacitet och kostnad undersöks genom en jämförelse mellan SHSs och ett solcellsdrivet micro-grid. Studien visar att nödvändig kapacitet och nuvärdeskostnad för växelriktare och laddningsregulator tydligt minskar till följd av sammanlagring. Nödvändig kapacitet på solceller och batterier minskar också när ett micro-grid används. Dock beror detta med stor sannolikhet inte på sammanlagring utan är ett resultat från de begränsade märkeffekter på komponenter som användes i HOMER.

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Gaptia, Maï Moussa Lawan. "Gestion optimale d'énergie électrique à partir des sources d'énergies renouvelables dédiées aux sites isolés Power control for decentralized energy production system based on the renewable energies — using battery to compensate the wind/load/PV power fluctuations Three level Neutral-Point-Clamped Inverter Control Strategy using SVPWM for Multi-Source System Applications Wind turbine and Batteries with Variable Speed Diesel Generator for Micro-grid Applications". Thesis, Normandie, 2019. http://www.theses.fr/2019NORMLH28.

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Les travaux de thèse s’inscrivent dans les problématiques des travaux de recherche de l’équipe thématique : Maitrise des Energies Renouvelables et systèmes de Stockage (MERS) du laboratoire GREAH-EA3220. Ils englobent le dimensionnement des éléments constitutifs du système et la gestion optimale de l’énergie électrique pour un système hybride (Diesel à vitesse variable, Eolien, PV et Batteries) dédié aux sites isolés. Les sources de production d'énergie alimentent des charges par le biais de convertisseurs multi-niveaux d’électronique de puissance. Le groupe électrogène comportant un moteur diesel à vitesse variable est considéré comme la principale source d’énergie utilisée pour contrôler la tension continue du point de couplage. Ce type de groupe électrogène est choisi pour optimiser la consommation du carburant. Il est sollicité pour délivrer une puissance électrique compatible avec le régime du moteur qui supporte mal les variations fréquentes et rapides. Les sources d’énergie renouvelables dont on cherche à augmenter la part d’énergie pour satisfaire la demande sont pilotées de manière à extraire instantanément le maximum de puissances disponible par les ressources (ensoleillement, vent). Celles-ci imposent ainsi leurs dynamiques et leurs intermittences au point de couplage. Le pack des batteries sert à compenser les fluctuations rapides de l’énergie provenant des sources d’énergie renouvelables par rapport à une évolution plus lente prise en charge par le groupe électrogène. La gestion des interactions au sein du système électrique hybride résultant est assurée au moyen de convertisseurs statiques multi-niveaux (AC / DC, DC / DC et DC / AC). Une approche de gestion d’énergie électrique fondée sur la répartition fréquentielle des perturbations induites au point de couplage par les sources renouvelables. Une plateforme expérimentale à échelle réduite (1/22) a été développée pour valider expérimentalement les approches théoriques et les simulations. Les résultats de simulations obtenus dans l’environnement logiciel Matlab/Simulink/SimPowerSystems et ceux issus du dispositif expérimental réalisé et piloté par dSPACE-1104 prouvent l’adéquation des méthodes de contrôle proposées
The thesis works are part of the research work of the thematic team: Mastery of Renewable Energies and Storage Systems (MERS) of the GREAH-EA3220 laboratory. They include the dimensioning of the constituent elements of the system and the optimal management of electrical energy for a hybrid system (Variable speed Diesel, Wind, PV and Batteries) dedicated to isolated sites. Power sources supply loads through multi-level converters of power electronics. The generator set with a variable speed diesel engine is considered to be the main source of energy used to control the DC voltage at the coupling point. This type of generator is chosen to optimize fuel consumption. It is used to deliver an electrical power compatible with the engine speed which does not tolerate frequent and rapid variations. Renewable energy sources whose share of energy is sought to meet demand are managed so as to instantly extract the maximum power available from resources (sunshine, wind). These thus impose their dynamics and their intermittences at the coupling point. The battery pack is used to compensate for rapid fluctuations in energy from renewable energy sources compared to a slower evolution supported by the generator. Interactions within the resulting hybrid electrical system are managed by means of multi-level static converters (AC / DC, DC / DC and DC / AC). An electrical energy management approach based on the frequency distribution of disturbances induced at the coupling point by renewable sources. An experimental platform on a reduced scale (1/22) has been developed to experimentally validate theoretical approaches and simulations. The results of simulations obtained in the Matlab / Simulink / SimPowerSystems software environment and those from the experimental device produced and piloted by dSPACE-1104 prove the adequacy of the proposed control methods

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Løtveit, Marte Wiig. "System Design and Configuration of a Stand-Alone PV-Biomass Micro Grid : An Application for Wawashang, Nicaragua". Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for elkraftteknikk, 2014. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-27157.

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In this thesis, an evaluation of a stand-alone hybrid micro grid for the Wawashang Complex is presented. A solution for a new electricity supply and distribution system for the complex is proposed with a focus on optimal configuration of the system. A field trip to Wawashang was conducted in April 2014 in order to collect data regarding biomass potential for electricity production and information for a possible distribution system design. The demand to be covered is divided into two systems; the micro grid, which denotes all buildings excluding the carpentry workshop and is the system for which the distribution system is designed, and the carpentry workshop. A single-phase/three-wire (split-phase) solution is suggested for the distribution system configuration, presenting the advantage of considerably smaller conductor size requirements than single-phase/two-wire systems for the same voltage drop and power loss. The total power loss of the distribution system is 896 kWh/year or 2.4 % of the demand. The production system for the micro grid consists of a PV array and a battery bank, and for the carpentry workshop a diesel generator. Additionally, a biomass based generator is available for both systems according to a defined schedule. The simulation software HOMER is used to run simulations for the two systems simultaneously, with the intention of obtaining optimal operation of the biomass generator. Two cases are evaluated on both technical and economical aspects. In Case I, the high frequency AC power output from the biomass generator is rectified to DC power and then connected to the single-phase AC bus of the micro grid through a DC-AC converter and similarly to the three-phase AC loads of the carpentry workshop. In Case II, the output from the biomass generator is connected to the DC bus of the micro grid after rectification. The simulation results shows that the optimal solution in both cases is to operate the biomass generator as much as possible in the carpentry workshop with the diesel generator available to cover peak loads. In Case I, the biomass generator is operated with a load following strategy, while in Case II a cycle charging strategy is applied, resulting in a higher exploitation of the available biomass resource in the latter. Both cases present advantages and disadvantages and are similar in reliability and cost. Case II is evaluated as the optimal solution for the Wawashang Complex, as it is the overall least expensive, most reliable and least unbalanced system when it comes to seasonal variations. The system consists of a 9 kW converter, a PV array with a global power of 30 kWp, producing a total of 37 254 kWh/year and a battery bank with a nominal capacity of 294 kWh (for the micro grid), a 15 kW biomass generator producing a total of 38 477 kWh/year divided between the micro grid (19.4 %) and the carpentry workshop (80.6 %) and a 15 kW diesel generator producing 5 400 kWh/year for the carpentry workshop. Total excess electricity is 6.3 % and unmet load is 0.21 %. Total NPC is US$ 311 224 and levelized COE is US$ 0.285/kWh.

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Bastholm, Caroline. "Micro-grids supplied by renewable energy : Improving technical and social feasibility". Licentiate thesis, Uppsala universitet, Fasta tillståndets fysik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-375499.

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Universal access to electricity stands high on the global agenda and is regarded as essential for positive development in sectors such as health care, education, poverty reduction, food production and climate change. Decentralized, off-grid electrification is deemed an important complement to centralized grid extension. By utilizing a renewable energy source, solar technology for the generation of electricity, photovoltaics (PV) is being considered as a way forward to minimize the environmental problems related to energy use. This thesis aims to contribute to improving the technical and social feasibility of PV and PV-diesel hybrid micro-grids for the purpose of providing access to electricity to people in rural areas of countries with low level access to electricity. In line with these general aims, the focus has been to address three questions related to challenges in three phases of rural electrification. The work has a multi-disciplinary approach, addressing mainly technical and social aspects of long-term sustainability of micro-grids, in a local context, and the changes these are intended to generate. One specific micro-grid in Tanzania has been used as a major case study. The thesis is developed through three papers, all presenting methodologies or aspects for investigation in rural electrification projects and studies in general, and for PV-diesel hybrid micro-grids in particular. Paper I puts forward a methodology to facilitate non-social scientific researchers to take social aspects increasingly into consideration. Paper II is a guideline to support system users to increasingly apply an evaluation based system operation. Paper III specifically highlights the importance to consider blackouts when investigating how an existing off-grid PV-diesel hybrid system shall be utilized when a national grid becomes available.

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Saghaleini, Mahdi. "Switching Patterns and Steady-State Analysis of Grid-Connected and Stand-Alone Single-Stage Boost-Inverters for PV Applications". FIU Digital Commons, 2012. http://digitalcommons.fiu.edu/etd/796.

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Renewable or sustainable energy (SE) sources have attracted the attention of many countries because the power generated is environmentally friendly, and the sources are not subject to the instability of price and availability. This dissertation presents new trends in the DC-AC converters (inverters) used in renewable energy sources, particularly for photovoltaic (PV) energy systems. A review of the existing technologies is performed for both single-phase and three-phase systems, and the pros and cons of the best candidates are investigated. In many modern energy conversion systems, a DC voltage, which is provided from a SE source or energy storage device, must be boosted and converted to an AC voltage with a fixed amplitude and frequency. A novel switching pattern based on the concept of the conventional space-vector pulse-width-modulated (SVPWM) technique is developed for single-stage, boost-inverters using the topology of current source inverters (CSI). The six main switching states, and two zeros, with three switches conducting at any given instant in conventional SVPWM techniques are modified herein into three charging states and six discharging states with only two switches conducting at any given instant. The charging states are necessary in order to boost the DC input voltage. It is demonstrated that the CSI topology in conjunction with the developed switching pattern is capable of providing the required residential AC voltage from a low DC voltage of one PV panel at its rated power for both linear and nonlinear loads. In a micro-grid, the active and reactive power control and consequently voltage regulation is one of the main requirements. Therefore, the capability of the single-stage boost-inverter in controlling the active power and providing the reactive power is investigated. It is demonstrated that the injected active and reactive power can be independently controlled through two modulation indices introduced in the proposed switching algorithm. The system is capable of injecting a desirable level of reactive power, while the maximum power point tracking (MPPT) dictates the desirable active power. The developed switching pattern is experimentally verified through a laboratory scaled three-phase 200W boost-inverter for both grid-connected and stand-alone cases and the results are presented.

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Kumar, Shailendra. "Design, control and implementation of grid interactive solar PV array and battery energy storage based microgrids". Thesis, IIT Delhi, 2019. http://eprint.iitd.ac.in:80//handle/2074/8123.

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Alramlawi, Mansour [Verfasser], Georg Akademischer Betreuer] Frey, Peter [Akademischer Betreuer] [Bretschneider i Pu [Gutachter] Li. "Model-based optimization of PV-based microgrids considering grid blackout and battery lifetime / Mansour Alramlawi ; Gutachter: Pu Li ; Georg Frey, Peter Bretschneider". Ilmenau : TU Ilmenau, 2021. http://d-nb.info/1239050178/34.

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Książki na temat "PV BASED MICRO GRID"

Mubarak, Ali. Designing of a PV/Wind/Diesel Hybrid Energy System: By the Aid of the Micro-Grid Modelling Software HOMER Pro of NREL. Independently Published, 2017.

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Designing of a PV/Wind Diesel Hybrid Energy System: By the Aid of the Micro-Grid Modelling Software HOMER Pro® of NREL. Independently Published, 2017.

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Części książek na temat "PV BASED MICRO GRID"

Satapathy, Lalit Mohan, Amaresh Gantayet, Alok Kumar Mishra, Akshaya Kumar Patra i Santanu Kumar Sahoo. "Title Performance Analysis of Various DC–DC Converters in PV-Based Micro Grid Environment". W Lecture Notes in Mechanical Engineering, 447–58. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-4795-3_41.

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Zhao, Qiqi, Yu Fang, Zhibin Wang i Yong Xie. "Small-Signal Model and Control of PV Grid-Connected Micro Inverter Based on Interleaved Parallel Flyback Converter". W Lecture Notes in Electrical Engineering, 595–602. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-38460-8_66.

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Al-Shammari, Zaidoon W. J., Safaa Kother, Ihsan Ahmed Taha, H. Enawi Hayder, M. Almukhtar Hussam, Ali Hadi, M. M. Azizan i A. S. F. Rahman. "Green Micro-grid Based on PV/WT Hybrid System for Remote and Rural Population in Iraq: A Case Study". W Lecture Notes in Mechanical Engineering, 1081–93. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-0866-7_96.

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Kuhada, Ravindra B., Bharti B. Parmar i Mahesh H. Pandya. "CPG-UVT-Based Grid-Connected PV System". W Lecture Notes in Electrical Engineering, 123–33. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-15-0226-2_10.

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Rana, T. K., i S. Chakraborty. "Micro-grid for Village Empowerment Using Solar PV-Operated Micro-hydel Power Plant". W Lecture Notes in Electrical Engineering, 191–202. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-4286-7_19.

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Khare, Cheshta Jain, Vikas Khare i H. K. Verma. "Artificial Intelligence and IOT-Based Electric Grid: Future of Micro Grid". W Convergence of Deep Learning and Artificial Intelligence in Internet of Things, 265–80. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003355960-18.

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Hamrouni, N. "Control of a double-stage-grid connected PV generator under grid faults". W Innovative and Intelligent Technology-Based Services for Smart Environments – Smart Sensing and Artificial Intelligence, 201–9. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781003181545-29.

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Satish Reddy, Dodda, Suman Kumar, Bonala Anil Kumar i Sandepudi Srinivasa Rao. "Bipolar DC Micro-Grid Based Wind Energy Systems". W Proceedings of the 7th International Conference on Advances in Energy Research, 1403–13. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-5955-6_133.

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Trabelsi, Mohamed, i Haitham Abu-Rub. "Grid Integration of Quasi-Z Source Based PV Multilevel Inverter". W Impedance Source Power Electronic Converters, 362–89. Chichester, UK: John Wiley & Sons, Ltd, 2016. http://dx.doi.org/10.1002/9781119037088.ch19.

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Wang, Chaofan, Jie Lou, Xiaohan Shi, Yuanyuan Sun i Kejun Li. "Evaluation of Power Grid Flexibility Based on PV Output Characteristics". W Lecture Notes in Electrical Engineering, 319–26. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-1922-0_25.

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Streszczenia konferencji na temat "PV BASED MICRO GRID"

Senapati, Manoj Kumar, i Chittaranjan Pradhan. "Fault Detection in Photovoltaic (PV) Based Low-Voltage DC Micro-Grid". W 2020 International Conference on Computational Intelligence for Smart Power System and Sustainable Energy (CISPSSE). IEEE, 2020. http://dx.doi.org/10.1109/cispsse49931.2020.9212201.

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Zhao Dongmei, Zhang Nan i Liu Yanhua. "Micro-grid connected/islanding operation based on wind and PV hybrid power system". W 2012 IEEE Innovative Smart Grid Technologies - Asia (ISGT Asia). IEEE, 2012. http://dx.doi.org/10.1109/isgt-asia.2012.6303168.

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Chatterjee, Anirban, Sindhunil Bhaumik, Anisha Naskar, Nikhil Mondal, Debashis Chatterjee i Susanta Ray. "A Transformer-less Grid Interactive Converter Topology for PV based Micro Generator". W 2020 IEEE Calcutta Conference (CALCON). IEEE, 2020. http://dx.doi.org/10.1109/calcon49167.2020.9106472.

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Causo, Alberto, Andrea Salati, Emilio Lorenzani, Fabio Immovilli i Claudio Bianchini. "Power losses analysis in interleaved flyback based PV grid connected micro-inverters". W IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society. IEEE, 2013. http://dx.doi.org/10.1109/iecon.2013.6699410.

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Chang, Jiaming, Yang Du, Xiaoyang Chen, Eng Gee Lim i Ke Yan. "Forecasting Based Virtual Inertia Control of PV Systems for Islanded Micro-Grid". W 2019 29th Australasian Universities Power Engineering Conference (AUPEC). IEEE, 2019. http://dx.doi.org/10.1109/aupec48547.2019.211843.

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Patil, Pratibha, i Rushikesh Todkar. "Grid Connected Micro-inverter Based Solar PV System for Rural School Application". W 2019 4th International Conference on Recent Trends on Electronics, Information, Communication & Technology (RTEICT). IEEE, 2019. http://dx.doi.org/10.1109/rteict46194.2019.9016954.

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Shatakshi, Ikhlaq, Bhim Singh i Sukumar Mishra. "A synchronous generator based diesel-PV hybric micro-grid with power quality controller". W 2017 IEEE 26th International Symposium on Industrial Electronics (ISIE). IEEE, 2017. http://dx.doi.org/10.1109/isie.2017.8001374.

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Chandran, Vineet P., Seema Kewat i Bhim Singh. "Reconfigurable Two-Stage Solar PV -Battery Supported– Small Hydro System Based Micro-Grid". W 2020 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES). IEEE, 2020. http://dx.doi.org/10.1109/pedes49360.2020.9379336.

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Li, Qiang, Libin Yang, Liangyu Ma, Weiliang Liu i Yinsong Wang. "Modeling and Control of Wind/PV/Battery Micro-grid Based on Matlab/Simulink". W 4th International Conference on Information Technology and Management Innovation. Paris, France: Atlantis Press, 2015. http://dx.doi.org/10.2991/icitmi-15.2015.150.

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Chandran, Vineet P., Shadab Murshid i Bhim Singh. "Third Order Sinusoidal Integrator Control of PV-Hydro-BES Based Isolated Micro-grid". W 2018 2nd IEEE International Conference on Power Electronics, Intelligent Control and Energy Systems (ICPEICES). IEEE, 2018. http://dx.doi.org/10.1109/icpeices.2018.8897494.

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Raporty organizacyjne na temat "PV BASED MICRO GRID"

Dr. Mohammad S. Alam. Smart Energy Management and Control for Fuel Cell Based Micro-Grid Connected Neighborhoods. Office of Scientific and Technical Information (OSTI), marzec 2006. http://dx.doi.org/10.2172/885435.

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Reno, Matthew, Logan Blakely, Rodrigo Trevizan, Bethany Pena, Matthew Lave, Joseph Azzolini, Jubair Yusuf i in. IMoFi - Intelligent Model Fidelity: Physics-Based Data-Driven Grid Modeling to Accelerate Accurate PV Integration Final Report. Office of Scientific and Technical Information (OSTI), styczeń 2022. http://dx.doi.org/10.2172/1855058.

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Reno, Matthew, Logan Blakely, Rodrigo Trevizan, Bethany Pena, Matthew Lave, Joseph Azzolini, jubair yusuf i in. IMoFi (Intelligent Model Fidelity): Physics-Based Data-Driven Grid Modeling to Accelerate Accurate PV Integration Updated Accomplishments. Office of Scientific and Technical Information (OSTI), wrzesień 2022. http://dx.doi.org/10.2172/1888157.

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