Relevant bibliographies by topics / Grid-connected Applications

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Grid-connected Applications'

Author: Grafiati
Published: 4 June 2021
Last updated: 10 March 2023

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Journal articles on the topic "Grid-connected Applications"

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Wang, Yi Wang, Bo Zhang, Cao Kai, and Zhang Shuai. "Design and Application of a Medium/Low-Power Stand-Alone/Grid-Connected Dual-Mode Inverter for Solar Photovoltaic System." Applied Mechanics and Materials 672-674 (October 2014): 131–34. http://dx.doi.org/10.4028/www.scientific.net/amm.672-674.131.

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The application of solar photovoltaic poer genernation usually has stand-alone and grid-connected modes,but most of the existing solar photovoltaic inverter has only a single function of off-grid or grid-connected,the suitability of system is relatively poor, difficult to meet the needs of the particular application. A medium and low-power stand-alone/grid-connected dual-mode inverter for solar photovoltaic system was designed,the composition, working principle and implementation of the inverter were introduced and developed.The designed inverter with a variety of functions,which can meet stand-alone or grid-connected and other solar photovoltaic applications, and can be used in different solar occasions.
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Mustafa, Mohd, and Dr G. Anandha Kumar. "Energy Management Technique of Hybrid Renewable Energy Sources for Inter-connected Grid Applications." Journal of Advanced Research in Dynamical and Control Systems 11, no. 11 (2019): 310–15. http://dx.doi.org/10.5373/jardcs/v11i11/20193201.

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Mahalakshmi, R., and K. C. Sindhu Thampatty. "Grid Connected Multilevel Inverter for Renewable Energy Applications." Procedia Technology 21 (2015): 636–42. http://dx.doi.org/10.1016/j.protcy.2015.10.076.

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Sergi, F., G. Brunaccini, A. Stassi, et al. "PEM fuel cells analysis for grid connected applications." International Journal of Hydrogen Energy 36, no. 17 (2011): 10908–16. http://dx.doi.org/10.1016/j.ijhydene.2011.05.161.

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Hui, Nanmu, Haixiang Xu, and Yingying Feng. "A high performance grid synchronization method for renewable energy grid-connected applications." Energy Reports 7 (November 2021): 388–94. http://dx.doi.org/10.1016/j.egyr.2021.08.034.

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Gonzalez-Cajigas, Adrian, Javier Roldan-Perez, and Emilio Jose Bueno. "Design and Analysis of Parallel-Connected Grid-Forming Virtual Synchronous Machines for Island and Grid-Connected Applications." IEEE Transactions on Power Electronics 37, no. 5 (2022): 5107–21. http://dx.doi.org/10.1109/tpel.2021.3127463.

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Li, Shen Qing, Tian Jun Xu, Bin Zhang, and Jun Yang. "Hierarchical Control System for PV Microgrid Applications." Applied Mechanics and Materials 644-650 (September 2014): 224–29. http://dx.doi.org/10.4028/www.scientific.net/amm.644-650.224.

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DC microgrid can effectively play to the value and benefits of the distributed power supply, communication than micro grid-connected have the ability to stronger more flexible refactoring and therefore become a new trend micro grid-connected technology research. Based on photovoltaic DC microgrid as example, this paper aimed at the DC microgrid voltage stability problem, proposes a layered coordination control DC bus voltage, the method is based on the detection and control of DC bus voltage variation to coordinate photovoltaic battery energy storage interface, net side interface and the interface converter works, ensure that under different conditions can keep the grid-connected in active power balance. Using Matlab/Simulink simulation and experimental verification, the results verified the effectiveness and feasibility of the method.
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Mostaghimi, Omid, Nicholas G. Wright, and Alton B. Horsfall. "Silicon Carbide Multilevel Converters for Grid-Connected PV Applications." Materials Science Forum 740-742 (January 2013): 1073–76. http://dx.doi.org/10.4028/www.scientific.net/msf.740-742.1073.

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To fulfill the space and weight requirements of the photovoltaic systems, an all-SiC transformer less dc-dc multilevel converter based on the Cockcroft-Walton voltage multiplier capable of providing high voltage conversion ratios without an extremely high duty cycle has been realised. The evaluation of converter performance utilising SiC devices have been detailed and presented. The converter offers self-balancing which maintains the same output at all output levels, reducing the complexity of the control strategy. SiC Schottky diodes were used to achive lowest reverse recovery and fast switching while evaluating the high voltage and high frequency performance of the SiC MOSFET in the multilevel boost converter.
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di Benedetto, Marco, Alessandro Lidozzi, Luca Solero, Fabio Crescimbini, and Petar J. Grbovic. "Five-Level E-Type Inverter for Grid-Connected Applications." IEEE Transactions on Industry Applications 54, no. 5 (2018): 5536–48. http://dx.doi.org/10.1109/tia.2018.2859040.

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Femia, N., D. Granozio, G. Petrone, G. Spagnuolo, and M. Vitelli. "Optimized one-cycle control in photovoltaic grid connected applications." IEEE Transactions on Aerospace and Electronic Systems 42, no. 3 (2006): 954–72. http://dx.doi.org/10.1109/taes.2006.248205.

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Dissertations / Theses on the topic "Grid-connected Applications"

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SERGI, FRANCESCO. "PEM fuel cell system analysis for grid connected applications." Doctoral thesis, Università degli Studi di Roma "Tor Vergata", 2010. http://hdl.handle.net/2108/1298.

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L'incremento delle sorgenti ad energia rinnovabile porterà  un grande cambiamento sulla rete elettrica nazionale, la quale dovrà operare in modo intelligente per gestire la fornitura di molti produttori di energia distribuita e per compensare l'imprevedibilità delle rinnovabili. Tuttavia, per poter far ciò, le reti elettriche del futuro necessitano di generatori distribuiti capaci di assicurare servizi quali l'inseguimento del carico, l'accumulo di energia, la compensazione dei disturbi e che abbiano un effetto mitigante sui picchi di carico e/o di generazione. I sistemi a celle a combustibile, specialmente quelli alimentati ad idrogeno, hanno raggiunto considerevoli target in termini di prestazioni in condizioni di laboratorio. Combinando alta efficienza ed un comportamento dinamico veloce (disponibilità  di potenza immediata su richiesta), anche a carichi parziali e con piccole taglie, i sistemi a cella a combustibile di tipo PEM sono sempre di più analizzati nell'ottica del loro impiego nelle nascenti reti di potenza. Lo scopo di questo lavoro è mostrare le attuali performance delle fuel cell, il loro comportamento durante il funzionamento con la rete elettrica ed, in particolare, i fenomeni relativi alla degradazione dei materiali che possono verificarsi in questo tipo di applicazioni. Dapprima l'attività di ricerca è stata indirizzata allo sviluppo di un sistema da 5 kW di tipo PEM, considerando le procedure di start up e di warm up, l'analisi del comportamento dinamico in funzione della variazione della temperatura e del carico elettrico. Conseguentemente, alcuni test sono stati condotti sia su sistemi che su monocella in modo da poter confrontare le prestazioni in caso di carichi in corrente continua ed alternata. Infatti, la potenza in reti monofase contiene una fluttuazione sinusoidale a bassa frequenza che procura un ripple sulla corrente di uscita dello stack. I test hanno mostrato la degradazione del materiale del catalizzatore dovuta a questo tipo di dinamica.<br>An increase in renewable energy sources (RWE) will bring about a great change in the national electric grid, which will operate intelligently (smart grid) in order to manage the supply of several energy producers and to cover the unpredictability of RWE [1]. Nevertheless, in order to become smart, the future electrical networks need active distributed units able to assure services like load following, back-up power, power quality disturbance compensation and peak shaving. Fuel cell systems, especially those fed with hydrogen, have reached considerable performance targets in laboratory conditions. Combining high efficiency and fast regulating behaviour (power on demand), even at partial loads and on small size units, PEM fuel cell systems are more and more investigated as components of the incoming power networks. The aim of this work is to highlight the fuel cells actual performances, their behaviour during grid connected operation and, particularly, the phenomena of materials degradation that can appear in these applications. At first, the research activity was addressed to the investigation on a developed 5 kW PEM fuel cell system, including the start-up and warm up procedure, the analysis of the dynamic behaviour linked to temperature and load variations. Accordingly, tests were conducted both on fuel cell systems and single cells in order to compare the performances evaluated with dc and ac loads. In fact, power drawn by single phase grids contains a low frequency sinusoidal fluctuation that brings a large ripple on the stack output current. The tests on single cells have determined the degradation occurred on catalyst material due to the effect of this kind of dynamic loads.
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Berba, Farag Hussein Bahri. "Minimisation of output DC current component in grid-connected inverters for solar power applications." Thesis, University of Newcastle Upon Tyne, 2012. http://hdl.handle.net/10443/1548.

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In grid-connected photovoltaic applications, a supply-frequency output transformer is normally used to isolate the inverter from the supply. This transformer is heavy, costly and adds to the overall power loss. However removal of the output transformer can result in unwanted DC components appearing in the inverter output current. Excessive DC current injection into the distribution network can affect distribution components as well as other loads connected to the network. There are various circuits which can be used to for grid connection without the use of an output transformer. These include the 2-level half-bridge and the H-bridge inverters. These circuits have the disadvantage of the requirement for higher rated power devices or increased EMI problems due to high frequency switching of the DC-link relative to earth. To overcome these problems, a three-level half-bridge inverter circuit is used, where the DC-link voltage can be twice the device voltage rating allowing the use low rated switching devices. The neutral conductor is connected to the mid-point of a split rail supply from PV array, and therefore the DC-link voltage is not switching relative to earth. The aim of this research is to minimise the DC current component in the output of a grid-connected inverter when a supply-frequency output transformer is not used. A three-level diode-clamped half-bridge inverter is proposed to interface the PV panel directly to the utility grid. The main contribution of this research lies in the development of an auto-calibration technique for the DC-link current sensors in the multi-level inverter. Combined with a current feedback control scheme this technique allows the minimisation of DC current offset drift in the Hall-Effect current sensors. Auto-calibrated DC-link current sensors in turn allow the inverter output current controller to minimise the output DC current component in spite of sensor drift and other disturbances. A comprehensive review on the different types of grid-connected PV systems, the problems caused by DC current injection into the grid, and up-to-date techniques to overcome this problem is included. The performance of the auto-calibration technique is investigated using both computer simulation and an experimental test rig.
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Pogaku, Nagaraju. "Analysis, control and testing of inverter-based distributed generation in standalone and grid-connected applications." Thesis, Imperial College London, 2006. http://hdl.handle.net/10044/1/7798.

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Ohn, Sungjae. "Circuits and Modulation Schemes to Achieve High Power-Density in SiC Grid-connected Converters." Diss., Virginia Tech, 2019. http://hdl.handle.net/10919/89550.

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The emergence of silicon-carbide (SiC) devices has been a 'game changer' in the field of power electronics. With desirable material properties such as low-loss characteristics, high blocking voltage, and high junction temperature operation, they are expected to drastically increase the power density of power electronics systems. Recent state-of-the-art designs show the power density over 17 ; however, certain factors limit the power density to increase beyond this limit. In this dissertation, three key factors are selected to increase the power density of SiC-based grid-connected three-phase converters. Throughout this dissertation, the techniques and strategies to increase the power density of SiC three-phase converters were investigated. Firstly, a magnetic integration method was introduced for the coupled inductors in the interleaved three-phase converters. Due to limited current-capacity compared to the silicon insulated-gate bipolar transistors (Si-IGBTs), discrete SiC devices or SiC modules, operate in parallel to handle a large current. When three-phase inverters are paralleled, interleaving can be used, and coupled inductors are employed to limit the circulating current. In Chapter 2, the conventional integration method was extended to integrate three coupled inductors into two; one for differential-mode circulating current and the other for common-mode circulating current. By comparing with prior research work, a 20% reduction in size and weight is demonstrated. From Chapter 3 to Chapter 5, a full-SiC uninterruptible power supply (UPS) was investigated. With the high switching frequency and fast switching dynamics of SiC devices, strategies on electromagnetic inference become more important, compared to Si-IGBT based inverters. Chapter 3 focuses on a common-mode equivalent circuit model for a topology and pulse width modulation (PWM) scheme selection, to set a noise mitigation strategy in the design phase. A three terminal common-mode electromagnetic interference (EMI) model is proposed, which predicts the impact of the dc-dc stage and a large battery-rack on the output CM noise. Based on the model, severe deterioration of noise by the dc-dc stage and battery-rack can be predicted. Special attention was paid on the selection of the dc-dc stage's topology and the PWM scheme to minimize the impact. With the mitigation strategy, a maximum 16 dB reduction on CM EMI can be achieved for a wide frequency range. In Chapter 4, an active PWM scheme for a full-SiC three-level back-to-back converter was proposed. The PWM scheme targets the size reduction of two key components: dc-link capacitors and a common-mode EMI filter. The increase in switching frequency calls for a large common-mode EMI filter, and dc-link capacitors in the three-level topology may take a considerable portion in the total volume. To reduce the common-mode noise emission, different combinations of the voltage vectors are investigated to generate center-aligned single pulse common-mode voltage. By such an alignment of common-mode voltage with different vector combinations, noise cancellation between the rectifier and the inverter can be maximally utilized, while the balancing of neutral point voltage can be achieved by the transition between the combinations. Also, to reduce the size of the dc-link capacitor for the three-level back-to-back converter, a compensation algorithm for neutral point voltage unbalance was developed for both differential-mode voltage and the common-mode voltage of the ac-ac stage. The experimental results show a 4 dB reduction on CM EMI, which leads to a 30% reduction on the required CM inductance value. When a 10% variation of neutral point voltage can be handled, the dc-link capacitance can be reduced by 56%. In Chapter 5, a 20 kW full-SiC UPS prototype was built to demonstrate a possible size-reduction with the proposed PWM scheme, as well as a selection of topologies and PWM schemes based on the model. The power density and efficiency are compared with the state-of-the-art Si-IGBT based UPSs. Chapter 6 seeks to improve power density by a change in a modulation method. Triangular conduction mode (TCM) operation of the three-level full-SiC inverter was investigated. The switching loss of SiC devices is reported to be concentrated on the turn-on instant. With zero-voltage turn-on of all switches, the switching frequency of a three-level three-phase SiC inverter can be drastically increased, compared to the hard-switching operation. This contributes to the size-reduction of the filter inductors and EMI filters. Based on the design to achieve a 99% peak efficiency, a comparison was made with a full-SiC three-level inverter, operating in continuous conduction mode (CCM), to verify the benefit of the soft switching scheme on the power density. A design procedure for an LCL filter of paralleled TCM inverters was developed. With 3.5 times high switching frequency, the total weight of the filter stage of the TCM inverter can be reduced by 15%, compared to that of the CCM inverter. Throughout this dissertation, techniques for size reduction of key components are introduced, including coupled inductors in parallel inverters, an EMI filter, dc-link capacitors, and the main boost inductor. From Chapter 2 to 5, the physical size or required value of these key components could be reduced by 20% to 56% by different schemes such as magnetic integration, EMI mitigation strategy through modeling, and an active PWM scheme. An optimization result for a full-SiC UPS showed a 40% decrease in the total volume, compared to the state-of-the-art Si-IGBT solution. Soft-switching modulation for SiC-based three-phase inverters can bring a significant increase in the switching frequency and has the potential to enhance power-density notably. A three-level three-phase full-SiC 40 kW PV inverter with TCM operation contributed to a 15% reduction on the filter weight.<br>Doctor of Philosophy<br>The power density of a power electronics system is regarded as an indicator of technological advances. The higher the power density of the power supply, the more power it can generate with the given volume and weight. The size requirement on power electronics has been driven towards tighter limits, as the dependency on electric energy increases with the electrification of transportation and the emergence of grid-connected renewable energy sources. However, the efficiency of a power electronics system is an essential factor and is regarded as a trade-off with the power density. The size of power electronics systems is largely impacted by its magnetic components for filtering, as well as its cooling system, such as a heatsink. Once the switching frequency of power semiconductors is increased to lower the burden on filtering, more loss is generated from filters and semiconductors, thus enlarging the size of the cooling system. Therefore, considering the efficiency has to be maintained at a reasonable value, the power density of Si-based converters appears to be saturated. With the emergence of wide-bandgap devices such as silicon carbide (SiC) or gallium nitride (GaN), the switching frequency of power devices can be significantly increased. This is a result of superior material properties, compared to Si-based power semiconductors. For grid-connected applications, SiC devices are adopted, due to the limitations of voltage ratings in GaN devices. Before commercial SiC devices were available, the power density of SiC- based three-phase inverters was expected to go over 20 𝑘𝑊 𝑑𝑚3 ⁄ . However, the state-of-the art designs shows the power density around 3 ~ 4 𝑘𝑊 𝑑𝑚3 ⁄ , and at most 17 𝑘𝑊 𝑑𝑚3 ⁄ . The SiC devices could increase the power density, but they have not reached the level expected. The adoption of SiC devices with faster switching was not a panacea for power density improvement. This dissertation starts with an analysis of the factors that prevent power density improvement of SiC-based, grid-connected, three-phase inverters. Three factors were identified: a limited increase in the switching frequency, large high-frequency noise generation to be filtered, and smaller but still significant magnetic components. Using a generic design procedure for three-phase inverters, each chapter seeks to frame a strategy and develop techniques to enhance the power density. For smaller magnetic components, a magnetic integration scheme is proposed for paralleled ac-dc converters. To reduce the size of the noise filter, an accurate modeling approach was taken to predict the noise phenomena during the design phase. Also, a modulation scheme to minimize the noise generation of the ac-ac stage is proposed. The validity of the proposed technique was verified by a full-SiC three-phase uninterruptible power supply with optimized hardware design. Lastly, the benefit of soft-switching modulation, which leads to a significant increase in switching frequency, was analyzed. The hardware optimization procedure was developed and compared to hard-switched three-phase inverters.
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Schilla, Thomas Johann. "Development of a network model of a PV array and electrical system for grid-connected applications." Thesis, Northumbria University, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.275735.

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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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Moiteaux, Addis. "ANALYSIS OF GRID-CONNECTED BATTERY ENERGY STORAGE AND PHOTOVOLTAIC SYSTEMS FOR BEHIND-THE-METER APPLICATIONS : Case Study for a commercial building in Sweden." Thesis, KTH, Energiteknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-200799.

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Lithium-ion battery enables major changes to current electricity consumption patterns and can finally transform renewable and local, but intermittent, energy production into systems for secure and stable energy supply. However, battery brings several challenges. Notably regarding how it should be utilized to maximize its value generation and lifetime. Batteries can be used for different purposes like photovoltaic surplus utilization, peak-shaving, price arbitrage and other services for the electric grid. The utilization management, i.e. when and how to charge and discharge them in various situations, needs to be optimized. This thesis aims to design different modelings in order to dimension and analyze the behavior of lithium-ion batteries for different strategies from self-consumption, peak-shaving to price arbitrage management. The developed models are implemented in Matlab and simulations run on real data from a Swedish commercial center. Simulation results based on data from 2015 implies that current market price for batteries is too high to allow the investigated revenue streams to make battery investments economically feasible. However, the available data does not reflect all interesting dynamics and characteristics for a commercial center which might influence the obtained economic result of the analysis. This thesis was thus focused on the modeling processes in order to dimension and analyze the behavior of any battery-photovoltaic system for a wide range of loads such as: residential buildings, commercial buildings and industries.<br>Litium-ion batterier möjliggör stora förändringar mot nuvarande elförbrukningsmönster och kan på sikt erbjuda transformation av variabel förnybar och lokal energiproduktion till system för säker och stabil energitillförsel. Men batterier medför också en mängd utmaningar, inte minst gällande hur de ska användas för att maximera både dess värdeskapande och livslängd. Batterier kan användas för olika ändamål så som för; att utnyttja överskott från solceller, kapning av effekttoppar, prisarbitrage samt en rad andra tjänster för elnätet. Deras metodik för användning, alltså när och hur de ska laddas i och ur i olika situationer, behöver optimeras för att möjliggöra multipel tjänsteleverans med en rimlig trade-off mellan värdeskapande och livslängd. Denna avhandling syftar till att utforma olika modeller för att dimensionera och analysera beteendet hos litium-ion batterier för olika strategier för att utnyttja överskott från solceller, kapning av effekttoppar, prisarbitrage. De utvecklade modellerna är implementerade i Matlab och simuleringar genomförs med verklig data från ett svenskt köpcentrum. Simuleringsresultat för data från 2015 visar att det aktuella marknadspriset för batteri är för högt för att de möjliga inkomsterna ska göra en batteriinvestering finansiellt gångbar. Den tillgängliga datan speglar dock inte alla intressanta dynamiker och egenskaper för ett köpcentrum och kan därmed påverka det erhållna ekonomiska resultatet från analysen. Denna avhandling är dock inriktad på modelleringsprocessen vilken kan användas för att dimensionera och analysera beteendet hos ett batteri-system kombinerat med solceller för flertalet typer av laster som exempelvis: bostäder, kommersiella fastigheter eller industrier.
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Algarny, Khalil Saad A. "The development of three-phase cascaded h-bridge multilevel inverter with DC-side sensor-less control for applications of independent MPPT photovoltaic and battery grid-connected systems." Thesis, Queensland University of Technology, 2021. https://eprints.qut.edu.au/207283/1/Khalil%20Saad%20A_Algarny_Thesis.pdf.

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The utilization of solar energy has grown exponentially in the past years mainly due to environmental concerns. Finding ways to reduce the cost of solar energy systems and their complexity are of great importance. Among the key achievements of this project are, designing an efficient and economical photovoltaic system architecture, introducing DC-link voltage estimation to the three-phase PV system based multilevel-inverter, introducing PV current estimation to the three-phase PV system based multilevel-inverter, achieving phase balancing by injecting zero-sequence voltage utilizing the estimated values and achieving battery SOC balancing using the estimation algorithm. The proposed methods were justified using simulations.
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Isaksson, Maja, and Ellen Stjerngren. "Opportunities, Barriers and Preconditions for Battery Energy Storage in Sweden : A Study Investigating the Possibilities of Grid Connected Lithium-Ion Battery Energy Storage Systems in the Swedish Electricity Market." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-264270.

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The global energy system is under transformation. The energy transition from a centralized, fossil fuel based energy system to a more decentralized, renewable energy based system will challenge the balancing of electricity supply and demand. This stresses the importance of grid flexibility. In this challenge, energy storage will play a valuable role as it can provide flexibility and support the renewable energy integration. More specifically, lithium-ion battery energy storage systems (Li-ion BESS) demonstrate technological advantages and valuable application possibilities in the electricity grid. This thesis examines opportunities and barriers for deployment of grid-scale Li-ion BESS in the Swedish electricity market, and provides an overview of different perspectives of possibilities with BESS from several market actors. The purpose of the exploratory study is to gain an understanding of prospects for grid-scale BESS in Sweden. Through a comprehensive literature study and an empirical study, based on fourteen interviews with various actors in the electricity market, data was collected and analyzed. The analysis of the empirical findings resulted in two tables summarizing opportunities and barriers for implementation of BESS in Sweden. The opportunities and barriers are categorized into three hierarchical levels; contextual level, power system level and BESS level, referring to where in the system the benefits or hinders are localized. Also, key discussion points related to BESS (such as storage time perspective, ownership, grid services, cost, price signals and knowledge gap) are explored and evaluated. Furthermore, to understand the possibilities for grid-scale BESS in Sweden, a potential business setup for BESS is assessed and analyzed to identify preconditions for BESS to be attractive on the Swedish electricity market. The findings of the thesis indicate that grid flexibility is most likely going to be a considerable issue within 10-20 years. By the time of the potential nuclear phase out in Sweden, there will be major instabilities in the electricity grid if solutions are not in place. Therefore, keys to grid flexibility need to be evaluated and planned for well in advance, and the findings indicate that BESS could be a possible part of the solution. Until now, the regulatory framework has been perceived as rather unclear when it comes to energy storage, which has led to uncertainties among the market actors. These unclarities are about to be clarified with new laws and regulations, which will enable potential businesses for BESS. With the changes in the regulatory framework in place, we see an opportunity with new actors on the market. Our analysis shows that the BESS owner will most likely be a commercial actor, to enable utilization of a BESS for combined applications. An important factor, affecting the possibilities of implementing BESS on the Swedish electricity market, is the cost of BESS. We consider the cost aspect as vital for the likelihood of deploying BESS in Sweden. Based on our main findings, we conclude several preconditions for the deployment of BESS in Sweden. These are; decreased costs of BESS, acceptance from market actors, increased knowledge, a trading platform for grid services provided by a BESS, coordination between markets and electricity load forecasts. We believe that if these preconditions are fulfilled, Li-ion BESS has a chance to affect and have an impact on the Swedish electricity market.<br>Dagens energisystem är under förändring. Det sker en omvandling där energisystemet går från att vara centraliserat och fossilbaserat till att bli mer decentraliserat och baserat på förnybar energi. Detta kommer att utmana balanseringen av elproduktion och elkonsumtion, vilket betonar vikten av flexibilitet i elnätet. I den stundande utmaningen kommer energilagring att spela en viktig roll eftersom det kan bidra med flexibilitet och samtidigt stödja integrationen av mer förnybar elproduktion. Mer specifikt har energilagersystem med litiumjon-batterier flertalet tekniska fördelar och värdefulla användningsområden i elnätet. Det här examensarbetet utforskar möjligheter och hinder för en framtida implementering av nätanslutna litiumjonbatterilager på den svenska elmarknaden och ger en överblick över perspektiv på utsikter för batterilager från flertalet marknadsaktörer. Syftet med den utforskande studien är att få en ökad förståelse för framtidsutsikterna för storskaliga batterilager i Sverige. Genom en omfattande litteraturstudie och en empirisk studie, baserad på fjorton intervjuer med olika aktörer på elmarknaden, samlades data in och analyserades. Analysen av de empiriska resultaten resulterade i två tabeller som sammanfattar möjligheter och hinder för implementering av batterilager i Sverige. Möjligheterna och hindren kategoriseras i tre hierarkiska nivåer; kontextuell nivå, kraftsystemnivå och batterilagersystemnivå, med hänvisning till var i systemet fördelarna eller barriärerna är lokaliserade. Dessutom utvärderas flera betydande diskussionsteman relaterade till batterilager (såsom lagringstid, ägande, nättjänster, kostnad, prissignaler och kunskapsluckor). För att förstå möjligheterna för att etablera batterilager i Sverige har en möjlig affärsuppställning utvärderats och analyserats. Detta för att identifiera förutsättningar för att batterilager ska vara attraktivt på den svenska elmarknaden. Examensarbetets resultat tyder på att nätflexibilitet sannolikt kommer att bli ett betydande problem inom 10-20 år. Den troliga avvecklingen av den svenska kärnkraften kommer att resultera i instabilitet i elnätet om inte lösningar finns på plats. Därför behöver lösningar för att uppnå flexibilitet i elnätet utvärderas och planeras i god tid och uppsatsens resultat visar på att batterilager kan vara en möjlig del av lösningen. Fram till nu har det funnits oklarheter i regelverket gällande energilagring, vilket har lett till osäkerheter hos marknadsaktörerna. Nya lagar och förordningar kommer att klargöra flertalet osäkerheter och möjliggöra potentiella affärer med batterilager. När det förändrade regelverket är på plats, ser vi potential för nya aktörer på marknaden. Vår analys visar på att batterilager med största sannolikhet kommer att ägas av kommersiella aktörer för att möjliggöra kombinerade användningsområden av batterilager. Möjligheterna till implementering av batterilager på den svenska elmarknaden påverkas i hög grad av kostnaden för batterilager. Vi anser att kostnadsaspekten är avgörande för sannolikheten att utnyttja batterilager i Sverige. Vår slutsats är att det finns flertalet förutsättningar för att batterilager ska bli attraktivt och lönsamt i Sverige. Dessa är; minskade kostnader för batterilager, acceptans från marknadsaktörer, ökad kunskap, en handelsplattform för nättjänster som tillhandahålls av batterilager, samordning mellan marknader samt lastprognoser. Om dessa förutsättningar uppnås anser vi att litiumjon-batterilager har en chans att påverka den svenska elmarknaden.
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Dai, Min. "Control of power converters for distributed generation applications." Connect to resource, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1124329850.

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Books on the topic "Grid-connected Applications"

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Schilla, Thomas Johann. Development of a network model of a PV array and electrical system for grid-connected applications. 2003.

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Boles, Melanie. AN1444, Grid-Connected Solar Microinverter Reference Design Application Note. Microchip Technology Incorporated, 2015.

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Book chapters on the topic "Grid-connected Applications"

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Milicua, Aritz, and Gonzalo Abad. "Control of grid-connected converters." In Power Electronics and Electric Drives for Traction Applications. John Wiley & Sons, Ltd, 2016. http://dx.doi.org/10.1002/9781118954454.ch4.

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Sun, Yao, Xiaochao Hou, Jinghang Lu, Zhangjie Liu, Mei Su, and Joseph M. Guerrero. "A Master–Slave Control in Grid-Connected Applications." In Series-Parallel Converter-Based Microgrids. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-91511-7_12.

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Nguyen, Ngoc-Tung, and Hong-Hee Lee. "Fuzzy PI Controller for Grid-Connected Inverters." In Advanced Intelligent Computing Theories and Applications. With Aspects of Artificial Intelligence. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-25944-9_39.

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Zhang, Weiyi, Lin Cheng, and Youming Wang. "Grid-Connected Power Converters with Synthetic Inertia for Grid Frequency Stabilization." In Proceedings of the Fifth Euro-China Conference on Intelligent Data Analysis and Applications. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-03766-6_33.

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Vetter, M., S. Lux, and J. Wüllner. "CHAPTER 10. Battery Storage for Grid Connected PV Applications." In Future Lithium-ion Batteries. Royal Society of Chemistry, 2019. http://dx.doi.org/10.1039/9781788016124-00251.

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Sudhakar, T. D., K. N. Srinivas, M. Mohana Krishnan, and R. Raja Prabu. "Design and Analysis of Grid Connected PV Generation System." In Proceedings of 2nd International Conference on Intelligent Computing and Applications. Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-1645-5_35.

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Gatla, Ranjith kumar, N. V. Prasad K, P. Sridhar, Jianghua Lu, and Devineni Gireesh kumar. "Overview on Reliability of PV Inverters in Grid-connected Applications." In Smart and Power Grid Systems – Design Challenges and Paradigms. River Publishers, 2023. http://dx.doi.org/10.1201/9781003339557-8.

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Ali, Mohd Hasan, and Naga Lakshmi Thotakura. "Smart Inverters and Controls for Grid-Connected Renewable Energy Sources." In Advances in Control Techniques for Smart Grid Applications. Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-16-9856-9_8.

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Ashok Kumar, L., Sheeba Babu, and V. Indragandhi. "Grid-Connected 5 kW Mono-crystalline Solar PV System." In Proceedings of International Conference on Artificial Intelligence, Smart Grid and Smart City Applications. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-24051-6_5.

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Lagouir, Marouane, Abdelmajid Badri, and Yassine Sayouti. "Coordinated Control and Optimization Dispatch of a Hybrid Microgrid in Grid Connected Mode." In Digital Technologies and Applications. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-73882-2_124.

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Conference papers on the topic "Grid-connected Applications"

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"Grid-connected or emergency applications." In 2012 XXth International Conference on Electrical Machines (ICEM). IEEE, 2012. http://dx.doi.org/10.1109/icelmach.2012.6350159.

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"Grid-connected or emergency applications." In 2015 IEEE International Electric Machines & Drives Conference (IEMDC). IEEE, 2015. http://dx.doi.org/10.1109/iemdc.2015.7409264.

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Thanh-Vu Tran, Tae-Won Chun, Hong-Hee Lee, Heung-Geun Kim, and Eui-Cheol Nho. "Control for grid-connected and stand-alone operations of three-phase grid-connected inverter." In 2012 International Conference on Renewable Energy Research and Applications (ICRERA). IEEE, 2012. http://dx.doi.org/10.1109/icrera.2012.6477348.

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"Grid-connected or emergency applications [breaker page]." In 2014 XXI International Conference on Electrical Machines (ICEM). IEEE, 2014. http://dx.doi.org/10.1109/icelmach.2014.6960409.

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Abdul Salam, Azuki, Ismail Adam, Fatimah Zaharah Hamidon, and Ahmed M. A. Haidar. "Behaviour of grid connected photovoltaic systems." In 2011 IEEE Symposium on Industrial Electronics and Applications (ISIEA 2011). IEEE, 2011. http://dx.doi.org/10.1109/isiea.2011.6108758.

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Himker, Niklas, Robin Strunk, and Axel Mertens. "Grid Impedance Estimation with Oversampling for Grid-Connected Converters." In 2020 22nd European Conference on Power Electronics and Applications (EPE'20 ECCE Europe). IEEE, 2020. http://dx.doi.org/10.23919/epe20ecceeurope43536.2020.9215603.

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Lori, L., P. Redi, and M. Ruzinsky. "Grid connected photovoltaic supply units for railway applications." In Conference Record of the Twenty Fifth IEEE Photovoltaic Specialists Conference - 1996. IEEE, 1996. http://dx.doi.org/10.1109/pvsc.1996.564415.

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Grandi, G., D. Ostojic, C. Rossi, and D. Casadei. "Multilevel power conditioner for grid-connected photovoltaic applications." In MELECON 2008 - 2008 IEEE Mediterranean Electrotechnical Conference. IEEE, 2008. http://dx.doi.org/10.1109/melcon.2008.4618496.

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Felicia, Tan Hui Ying, R. T. Naayagi, and Thillainathan Logenthiran. "Impedance source converter for grid-connected Photovoltaic applications." In TENCON 2016 - 2016 IEEE Region 10 Conference. IEEE, 2016. http://dx.doi.org/10.1109/tencon.2016.7848108.

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Ali, Asharaf, and Jayaram Nakka. "Grid connected nine-level inverter for photovoltaic applications." In 2016 IEEE 6th International Conference on Power Systems (ICPS). IEEE, 2016. http://dx.doi.org/10.1109/icpes.2016.7584090.

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Reports on the topic "Grid-connected Applications"

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Stern, M., G. Duran, G. Fourer, et al. Development of a low-cost integrated 20-kW-AC solar tracking subarray for grid-connected PV power system applications. Final technical report. Office of Scientific and Technical Information (OSTI), 1998. http://dx.doi.org/10.2172/656846.

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Cherniavskyi, Ruslan, Yaroslav Krainyk, and Anzhela Boiko. Modeling university environment: means and applications for university education. [б. в.], 2020. http://dx.doi.org/10.31812/123456789/3742.

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Abstract:
In the paper, we establish an investigation on the development of university 3D-model and its possible applications for educational and research fields. We assume that 3D-model of university can help in various scenarios and should be used to adopt modern immersing technologies into to university processes. Different means are employed for the development of the model. Bottom-up approach for using these means and their connection with each other are shown in the work. Then, details of the 3D-model design process are provided with peculiarities related to the university building location and corpuses positions. Finally, assembled models of university are shown in 3ds Max and Unity environments. In the final part of the paper, we suggest scenarios of model usage for educational and research fields. Universities can gain various benefits from integrating their research efforts to employ new technology and identify new development opportunities for both science and education in university. In case of the developed 3D-model, it is planned to use it in the projects connected with client-server applications, Internet-of-Things, Smart Grid, etc. In the educational process it will be a part of case-studies for learning 3D-modeling, development in Unity environment, training for emergency situations.
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Stern, M., R. West, G. Fourer, W. Whalen, M. Van Loo, and G. Duran. Development of a low-cost integrated 20-kW ac solar tracking sub- array for grid-connected PV power system applications. Phase 1, Annual technical report, 11 July 1995--31 July 1996. Office of Scientific and Technical Information (OSTI), 1997. http://dx.doi.org/10.2172/549670.

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