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Journal articles on the topic 'Grid-connected Applications'

Author: Grafiati

Published: 4 June 2021

Last updated: 10 March 2023

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1

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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2

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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3

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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4

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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5

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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6

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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7

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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10

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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11

Vijayakumari, A., A. T. Devarajan, and N. Devarajan. "Decoupled control of grid connected inverter with dynamic online grid impedance measurements for micro grid applications." International Journal of Electrical Power & Energy Systems 68 (June 2015): 1–14. http://dx.doi.org/10.1016/j.ijepes.2014.12.015.

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12

Han, Jingang, Xiong Zhou, Song Lu, and Pinxuan Zhao. "A Three-Phase Bidirectional Grid-Connected AC/DC Converter for V2G Applications." Journal of Control Science and Engineering 2020 (September 7, 2020): 1–12. http://dx.doi.org/10.1155/2020/8844073.

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The smart grid and electric vehicles (EVs) are widely used all over the world. As the key role, the Vehicle-to-Grid (V2G) has been attracting increasing attention. The bidirectional grid-connected AC/DC converter is one of the indispensable parts in the V2G system, which can realize bidirectional power flow and meet the power quality requirements for grid. A three-phase bidirectional grid-connected AC/DC converter is presented in this paper for V2G systems. It can be used to achieve the bidirectional power flow between EVs and grid, supply reactive power compensation, and smooth the power grid fluctuation. Firstly, the configuration of V2G systems is introduced, and the mathematical model of the AC/DC converter is built. Then, for bidirectional AC/DC converters, the grid voltage feedforward decoupling scheme is applied, and the analysis of PI control strategy is proposed and the controller is designed. The system simulation model is established based on MATLAB/Simulink, and the experiment platform of the bidirectional grid-connected converter for V2G is designed in lab. The simulation and experiment results are shown, and the results evaluate the effectiveness of the model and the performance of the applied control strategy.

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13

Trivedi, T. A., R. Jadeja, and P. Bhatt. "A Review on Direct Power Control for Applications to Grid Connected PWM Converters." Engineering, Technology & Applied Science Research 5, no. 4 (2015): 841–49. http://dx.doi.org/10.48084/etasr.544.

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The Direct Power Control strategy has become popular as an alternative to the conventional vector oriented control strategy for grid connected PWM converters. In this paper, Direct Power Control as applied to various applications of grid connected converters is reviewed. The Direct Power Control for PWM rectifiers, Grid Connected DC/AC inverters applications such as renewable energy sources interface, Active Power Filters, Doubly Fed Induction Generators and AC-DC-AC converters are discussed. Control strategies such as Look-Up table based control, predictive control, Virtual Flux DPC, Model based DPC and DPC-Space Vector Modulation are critically reviewed. The effects of various key parameters such as selection of switching vector, sampling time, hysteresis band and grid interfacing on performance of direct power controlled converters are presented.

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14

Yu, Wei, Ruiyang Ma, Darui Xu, Lei Huang, and Shixiang Wang. "A Novel Multiport Hybrid Wave Energy System for Grid-Connected and Off-Grid Applications." Sustainability 15, no. 3 (2023): 2175. http://dx.doi.org/10.3390/su15032175.

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Direct drive wave energy converters (DDWECs) have gradually become the mainstream of wave energy converters (WECs). In order to make better use of wave energy, energy storage devices and other renewable energy sources are often used to suppress power fluctuation in DDWECs. However, the addition of other energy sources will increase the complexity of the converter system and the number of power switches. Considering the flexibility of nine-switch converters (NSCs), this paper proposes a novel nine-switch grid-connected/off-grid multiport hybrid wave energy system (HWES). First, the system structure and modulation principle are described. Then, a model for a generator, a grid and energy storage are built, including a control strategy of each part. Finally, a simulation for the grid-connected/off-grid application and an experiment on the off-grid HWES are carried out. The results show that the multiport wave energy system can achieve the objective of stable and reliable power transmission by reducing power devices.

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15

Das, Soumya Ranjan, Prakash K. Ray, Arun K. Sahoo, Krishna Kant Singh, Gaurav Dhiman, and Akansha Singh. "Artificial intelligence based grid connected inverters for power quality improvement in smart grid applications." Computers & Electrical Engineering 93 (July 2021): 107208. http://dx.doi.org/10.1016/j.compeleceng.2021.107208.

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16

Bai, Xue Feng, Shi Qiu, and Pei Li. "Photovoltaic Grid-Connected Generation Gnalog Device Gesign." Applied Mechanics and Materials 577 (July 2014): 494–97. http://dx.doi.org/10.4028/www.scientific.net/amm.577.494.

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With the reduction of non-renewable energy resources, energy conservation and development of new energy has become an important strategic plan around the world. Photovoltaic technology is also developing rapidly with more and more applications of solar energy. The project designed a set of solar photovoltaic grid-connected power generation analog devices. In this paper, the maximum power point tracking, DC-AC inverter technology, SPWM control technology related to single-phase grid-connected PV system have been studied, a comprehensive theoretical has been analyzed and to develop the relevant control scheme and design a set of simulator based on MSP430F169 microcontroller. The experimental results have met the target and achieved the desired effect.

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17

Harb, Souhib, Mehran Mirjafari, and Robert S. Balog. "Ripple-Port Module-Integrated Inverter for Grid-Connected PV Applications." IEEE Transactions on Industry Applications 49, no. 6 (2013): 2692–98. http://dx.doi.org/10.1109/tia.2013.2263783.

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18

Zhang, Xing, Tao Zhao, Wang Mao, Don Tan, and Liuchen Chang. "Multilevel Inverters for Grid-Connected Photovoltaic Applications: Examining Emerging Trends." IEEE Power Electronics Magazine 5, no. 4 (2018): 32–41. http://dx.doi.org/10.1109/mpel.2018.2874509.

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19

Li, Lang, Yao Sun, Hua Han, Guangze Shi, Mei Su, and Minghui Zheng. "A Decentralized Control for Cascaded Inverters in Grid-Connected Applications." IEEE Transactions on Industrial Electronics 67, no. 9 (2020): 8064–71. http://dx.doi.org/10.1109/tie.2019.2945266.

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20

Grandi, G., C. Rossi, D. Ostojic, and D. Casadei. "A New Multilevel Conversion Structure for Grid-Connected PV Applications." IEEE Transactions on Industrial Electronics 56, no. 11 (2009): 4416–26. http://dx.doi.org/10.1109/tie.2009.2029587.

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21

Lo, Kuo-Yuan, and Yaow-Ming Chen. "Design of a Seamless Grid-Connected Inverter for Microgrid Applications." IEEE Transactions on Smart Grid 11, no. 1 (2020): 194–202. http://dx.doi.org/10.1109/tsg.2019.2919905.

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22

Ali, Ahmed Ismail M., Takaharu Takeshita, and Mahmoud A. Sayed. "Three-Phase PWM Inverter for Isolated Grid-Connected Renewable Energy Applications." Energies 14, no. 12 (2021): 3701. http://dx.doi.org/10.3390/en14123701.

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This paper proposes a three-phase isolated flyback inverter (IFBI) for single-stage grid-tied solar PV applications, considering a simple sinusoidal pulse-width modulation (SPWM) scheme. The proposed single-stage inverter employs a reduced passive elements count by considering three input-parallel output-differential (IPOD) flyback converter modules. Additionally, a single small size LC-input low-pass filter is utilized at the input paralleling point for ripple-free input current operation, which is essential in grid-connected renewable energy applications. In addition, a mathematical model of the IFBI is presented to confirm the existence of its low-order harmonic components. A simple PI controller-based control scheme, considering only two loops and five sensors, is used to control the proposed grid-tied IFBI. Continuous modulation scheme (CMS) combined with SPWM is used to diminish the low-frequency harmonic components. Moreover, a simple selective harmonic elimination (SHE) loop is used for second-order harmonic components (SOHC) elimination from grid-injected currents. The SHE has decreased the SOHC from 43% to 0.96%, which improves the grid current THD from 39% to 3.65%, to follow the IEEE harmonic standard limits. Additionally, the harmonic elimination technique decreases the circulating power between the inverter paralleled modules, which enhances the grid currents power factor. The proposed inverter is verified through a grid-connected 200 V, 1.6 kW, 60 Hz experimental prototype, and the switching frequency is 50 kHz. TMS-based DSP controller is used to control the grid-injected power to follow the reference power set-point.

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23

Mishra, Debani Prasad, Kshirod Kumar Rout, Sivkumar Mishra, Mandakurit Nivas, Rambilli Krishna Prasad Rao Naidu, and Surender Reddy Salkuti. "Power quality enhancement of grid-connected PV system." International Journal of Power Electronics and Drive Systems (IJPEDS) 14, no. 1 (2023): 369. http://dx.doi.org/10.11591/ijpeds.v14.i1.pp369-377.

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<span lang="EN-US">Solar photovoltaic (PV) power, for its multiple benefits, has adhered to prominent consideration in the electrical energy generation region. The double-stage triple-phase grid-connected solar PV (SPV) system is utilized to enhance the power quality by employing a lymphoblastoid cell lines LCL filter. In this method, a DC-DC converter and DC-AC converter make a feasible juncture of the PV systems to the electrical interface. For converting boosted DC into AC, A 3-phase DC-AC converter is used, which is supplied into the grid. A 3-phase voltage converter is employed in place of an inverter for interfacing amid the voltage generated by the PV system and the grid possessing an AC transmission line. An maximum power point tracking (MPPT) application is used in this proposal to amplify the effectiveness of the PV array in face of any unsteady climatic circumstances. Hence, the highest energy could be secured out of the solar PV array and interfaced with the grid. Enhancing power quality by employing an LCL filter is quantified by FFT analysis in MATLAB. The advised proposal has attained a very low total harmonic distortion (THD), proving its efficacy. Also, the outcomes ascertain the applications of the proposed system and extend future advances of renewable energy with a great power quality improvement.</span>

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24

Rajanna, B. V., and Malligunta Kiran Kumar. "Comparison study of lead-acid and lithium-ıon batteries for solar photovoltaic applications." International Journal of Power Electronics and Drive Systems (IJPEDS) 12, no. 2 (2021): 1069. http://dx.doi.org/10.11591/ijpeds.v12.i2.pp1069-1082.

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The battery energy storage systems are very essential for maintaining constant power supply when using solar photovoltaic systems for power generation. The viability and ability of battery energy storage systems are assessed based on battery usage in Solar Photovoltaic utility grid-connected systems. The power supply quality and reliability are improved by utilizing battery energy storage technologies in conjunction with solar photovoltaic systems. This paper presents a comparative analysis of Lead-Acid Storage battery and Lithium-ion battery banks connected to a utility grid. The battery mathematical model simulation study gives their performance characteristics of these batteries under grid-connected loads. Cost-benefit analysis of battery usage for determining the best battery suitable for solar photovoltaic system applications is also presented in this paper.

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25

Mao, Jing Feng, Guo Qing Wu, Ai Hua Wu, Yang Cao, and Kun Yang. "Study on the Multiple Voltage Source Inverter for Grid-Connected Large-Scale Wind Energy Conversion System." Advanced Materials Research 216 (March 2011): 70–74. http://dx.doi.org/10.4028/www.scientific.net/amr.216.70.

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This paper proposes a novel grid-connected multiple voltage source inverter (VSI) for large-scale wind energy conversion system (WECS) applications. Firstly, the typical configuration, operation principle and mathematical modeling of the direct-drive grid-connected WECS are analyzed in brief. Then, a suitable topology of the grid-connected multiple VSI composed of two six-pulse inverters, two separate zig-zag transformers and a dc-link capacitor is presented. In order to reduce numbers of commutations and to increase dc-link voltage utilization ratio of the proposed grid-connected multiple VSI, a quasi twelve-pulse phase-shift PAM switching strategy is demonstrated. Finally, a simulation test system is set up by using MATLAB/SIMULINK, and the results of simulation validate the effectiveness of the proposed grid-connected multiple VSI.

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26

Gholami‐Khesht, Hosein, Mohammad Monfared, and Saeed Golestan. "Low computational burden grid voltage estimation for grid connected voltage source converter‐based power applications." IET Power Electronics 8, no. 5 (2015): 656–64. http://dx.doi.org/10.1049/iet-pel.2014.0466.

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27

Barrow, Deborah F. "Off Grid: Meaning, Technologies, and Applications." Journal of Architectural/Planning Research and Studies (JARS) 5, no. 1 (2018): 155–70. http://dx.doi.org/10.56261/jars.v5i1.169241.

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“Off grid” or “off the grid” refers to a building or buildings that are not connected to any publicutility systems. Energy, water, and waste disposal are dealt with on site without any ties to a municipalsystem. This overview and analysis addresses the apparent lack of knowledge and expertise in this areanot only at the most basic levels but also the void that exists within the intelligentsia as to what it takesto go off grid and what that means. Off grid is its own entity and not just part of sustainability, conversely,off grid most often does incorporate sustainability. Many resources exist on the individual componentsof an off grid system but there is little information available that addresses how to combine thesecomponents into a building for it to become off grid and thus the prevalent ignorance among laypersonsand scholars alike. This paper houses them together and shows how they relate to the overall builtenvironment.

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28

Liivik, Elizaveta, Yongheng Yang, Ariya Sangwongwanich, and Frede Blaabjerg. "Advancing Grid-Connected Renewable Generation Systems." Applied Sciences 11, no. 7 (2021): 3058. http://dx.doi.org/10.3390/app11073058.

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If we look at the history of renewable energy sources (RESs), how it all began, and how rapidly they continue to develop, it can be argued that one of the main reasons is due to the rapid improvements in power electronics technology in interfacing the renewable source to the grid [...]

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29

Bolaños-Navarrete, Mario Andrés, Juan David Bastidas-Rodríguez, and Gustavo Adolfo Osorio. "Hysteresis control for a grid connected dual-buck inverter." Revista UIS Ingenierías 20, no. 1 (2020): 1–10. http://dx.doi.org/10.18273/revuin.v20n1-2021001.

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Single-phase inverters are widely used in different renewable energy applications. Although the full-bridge inverter istypically used, dual-buck inverters provide an important advantage, since they eliminate the shoot-through problems. However, solutions proposed in the literature require additional inductors, use linear controllersdesigned around an operation point, or cannot be used in grid-connected applications. This paper presents a hysteresis current control of a single-phase dual-buck full-bridge inverter for grid-connected active power injection. Includes the dynamical modelin state variables, as well as analytical conditions to guarantee the evolution of the error dynamics in a set with boundaries defined by the designer. Moreover, the paper provides guidelines for the design of the dead band required for the transitions between the positive and negative semi-cycles (and vice-versa) of the grid voltage. Finally, simulation results validate the main features of the controller as well as the design of the dead band

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30

Mshkil, Ali Jber, and Hayder O. Alwan. "An efficient hybrid photovoltaic battery power system based grid-connected applications." Periodicals of Engineering and Natural Sciences (PEN) 10, no. 3 (2022): 409. http://dx.doi.org/10.21533/pen.v10i3.3115.

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31

Balakrishnan, K., and K. Yasoda. "Model Predictive Control Based Grid Connected Inverter for Renewable Energy Applications." March 2022 4, no. 1 (2022): 19–31. http://dx.doi.org/10.36548/jei.2022.1.003.

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Model Predictive Control (MPC) for grid-connected inverters has been presented in this paper. The standard proportional-integral controller based system is replaced by this control method for a two-level inverter using Euler's approximation technique to improve the inverter's dynamic response. To anticipate the grid-connected inverter's longer-term behaviour, a replacement predictive mathematical model is offered, which is likened to the reference signal to decide the system's cost function. With this MPC approach, the cost functions of the converter are derived using all possible switching vectors. The associated switching vector for the minimal possible function is then chosen to activate the inverter switches throughout the subsequent sampling instant. The suggested scheme is validated in Simulink to verify its effectiveness and performance. In comparison to the PI-based controller, total harmonic distortion (THD) and current error are minimized.

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32

Chedjara, Zakaria, Ahmed Massoum, Patrice Wira, Ahmed Safa, and Abdelmadjid Gouichiche. "A New Quasi Open Loop Synchronization Technique for Grid-Connected Applications." Electrical, Control and Communication Engineering 17, no. 1 (2021): 47–58. http://dx.doi.org/10.2478/ecce-2021-0006.

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Abstract This paper presents an effective quasi open-loop (QOLS) synchronization technique for grid -connected power converters that is organized in two different blocks. The first block is a new flexible technique for extracting the positive and negative sequence voltage under unbalanced and distorted conditions. It is a decoupled double self-tuning filter (DD-STF) or multiple self-tuning filters (M-STF) according to the conditions. The main advantages of this technique are its simple structure and the fact of being able to work under highly distorted conditions. Each harmonic is separately treated and this allows for selective compensation in active filter applications. The second block is the frequency detector; we propose a neural approach based on an ADALINE for online adaptation of the cut-off frequency of the DD-STF and M-STF considering a possible variation in the main frequency. The main advantage of this method is its immunity to the voltage signal amplitude and phase. In order to improve the performance of the frequency estimation under distorted source voltage, a pre-filtering stage is introduced. Experimental tests validate the proposed method and illustrate all its interesting features. Results show high performance and robustness of the method under low voltage ride through.

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33

Lopez, Hector, Juvenal Rodriguez Resendiz, Xiaoqiang Guo, Nimrod Vazquez, and Roberto V. Carrillo-Serrano. "Transformerless Common-Mode Current-Source Inverter Grid-Connected for PV Applications." IEEE Access 6 (2018): 62944–53. http://dx.doi.org/10.1109/access.2018.2873504.

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34

Feng, Jianghua, Hui Wang, Junfeng Xu, Mei Su, Weihua Gui, and Xing Li. "A Three-Phase Grid-Connected Microinverter for AC Photovoltaic Module Applications." IEEE Transactions on Power Electronics 33, no. 9 (2018): 7721–32. http://dx.doi.org/10.1109/tpel.2017.2773648.

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35

Maalandish, Mohammad, Seyed Hossein Hosseini, Mehran Sabahi, and Pouyan Asgharian. "Modified MPC based grid-connected five-level inverter for photovoltaic applications." COMPEL - The international journal for computation and mathematics in electrical and electronic engineering 37, no. 2 (2018): 971–85. http://dx.doi.org/10.1108/compel-02-2017-0056.

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PurposeThe main purpose of this paper is to select appropriate voltage vectors in the switching techniques and, by selecting the proper voltage vectors, be able to achieve a DC link with the same outputs and a symmetric multi-level inverter. Design/methodology/approachThe proposed structure, a two-stage DC–AC symmetric multi-level inverter with modified Model Predictive Control (MMPC) method, is presented for Photovoltaic (PV) applications. The voltage of DC-link capacitors of the boost converter is controlled by MMPC control method to select appropriate switching vectors for the multi-level inverter. The proposed structure is provided for single-phase power system, which increases 65 V input voltage to 220 V/50 Hz output voltage, with 400 V DC link. Simulation results of proposed structure with MMPC method are carried out by PSCAD/EMTDC software. FindingsBased on the proposed structure and control method, total harmonic distortion (THD) reduces, which leads to lower power losses and higher circuit reliability. In addition, reducing the number of active switches in current path causes to lower voltage stress on the switches, lower PV leakage current and higher overall efficiency. Originality/valueIn the proposed structure, a new control method is presented that can make a symmetric five-level voltage with lower THD by selecting proper switching for PV applications.

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36

Quashie, Mike, François Bouffard, and Géza Joós. "Business cases for isolated and grid connected microgrids: Methodology and applications." Applied Energy 205 (November 2017): 105–15. http://dx.doi.org/10.1016/j.apenergy.2017.07.112.

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37

Sinha, Rakesh Kumar, and Parthasarathi Sensarma. "A pre-filter based PLL for three-phase grid connected applications." Electric Power Systems Research 81, no. 1 (2011): 129–37. http://dx.doi.org/10.1016/j.epsr.2010.07.020.

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38

Plet, Cornelis A., and Timothy C. Green. "Fault response of inverter interfaced distributed generators in grid-connected applications." Electric Power Systems Research 106 (January 2014): 21–28. http://dx.doi.org/10.1016/j.epsr.2013.07.013.

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39

Guo, Xiao-Rui, and Zu-Xin Li. "High-efficiency grid-connected inverter topology for low-power photovoltaic applications." IEEJ Transactions on Electrical and Electronic Engineering 12, no. 3 (2016): 365–71. http://dx.doi.org/10.1002/tee.22386.

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40

Colmenar-Santos, Antonio, Ana-Rosa Linares-Mena, Jesús Fernández Velázquez, and David Borge-Diez. "Energy-efficient three-phase bidirectional converter for grid-connected storage applications." Energy Conversion and Management 127 (November 2016): 599–611. http://dx.doi.org/10.1016/j.enconman.2016.09.047.

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41

Abdallah, Boucetta Abdou, and Labed Djamel. "Control of power and voltage of solar grid connected." International Journal of Electrical and Computer Engineering (IJECE) 6, no. 1 (2016): 26. http://dx.doi.org/10.11591/ijece.v6i1.8632.

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Renewable energy is high on international agendas. Currently, grid-connected photovoltaic systems are a popular technology to convert solar energy into electricity. Control of power injected into the grid, maximum power point, high efficiency, and low total harmonic distortion of the currents injected into the grid are the requirements for inverter connection into the grid. Consequently, the performance of the inverters connected to the grid depends largely on the control strategy applied. In this paper the simulation and design of grid connected three phase photovoltaic system using Matlab/Simulink has examined. The proposed system consists photovoltaic panels, boost and inverter the PV system convert the sun irradiation into direct current, thereafter we have used a boost to track the maximum power point of the PV system, three-phase inverter and LC output filter. A VOC control strategy based on the phase shifting of the inverter output voltage with respect to the grid voltage. The proposed control strategy requires few hardware and computational resources. As a result, the inverter implementation is simple, and it becomes an attractive solution for low power grid connected applications.

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Abd Allah, Boucetta, and Labed Djamel. "Control of Power and Voltage of Solar Grid Connected." International Journal of Electrical and Computer Engineering (IJECE) 6, no. 1 (2016): 26. http://dx.doi.org/10.11591/ijece.v6i1.pp26-33.

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Renewable energy is high on international agendas. Currently, grid-connected photovoltaic systems are a popular technology to convert solar energy into electricity. Control of power injected into the grid, maximum power point, high efficiency, and low total harmonic distortion of the currents injected into the grid are the requirements for inverter connection into the grid. Consequently, the performance of the inverters connected to the grid depends largely on the control strategy applied. In this paper the simulation and design of grid connected three phase photovoltaic system using Matlab/Simulink has examined. The proposed system consists photovoltaic panels, boost and inverter the PV system convert the sun irradiation into direct current, thereafter we have used a boost to track the maximum power point of the PV system, three-phase inverter and LC output filter. A VOC control strategy based on the phase shifting of the inverter output voltage with respect to the grid voltage. The proposed control strategy requires few hardware and computational resources. As a result, the inverter implementation is simple, and it becomes an attractive solution for low power grid connected applications.

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Suresh Kumar Annam and N. Yadaiah. "A hysteresis current control PWM for PV tied Z-source NPC-MLI fed induction motor with neutral point balancing." International Journal of Science and Research Archive 7, no. 2 (2022): 542–54. http://dx.doi.org/10.30574/ijsra.2022.7.2.0339.

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Photo-voltaic (PV) tied Z-source Neutral-point clamped NPC-MLI (Z-NPC-MLI) is used in solar grid connected applications due to its improved performance related to conservative inverters due to its single stage power conversion. Though the Z source inverters adaptation is accepted in grid connected technology, the need for appropriate controller to meet out the grid/standalone requirements is becoming necessary. The space vector pulse width modulation (SVPWM) strategy is a prominent modulation technique for Z-source NPC-MLIs due to their appropriate voltage vector selection opportunity. The current controller (CC) based SVPWM is not attempted, which is the most essential consideration for the grid connected inverter to provide a low harmonic distortion, high quality current. With all this aim, the paper presents a PV tied Z-NPC-MLI grid connected system with a unique hysteresis current control SVPWM (HSVM) strategy with neutral point (NP) balancing control. The simulation results are confirmed the feasibility and reliability of the proposed CC for the PV tie grid connected Z- Source MLI.

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Yada, H. K., M. R. Anumandla, and A. A. J. Basha. "An Adaptive Frequency PLL Approach for Grid Connected Multifunctional Inverter for Residential Applications." Journal of Physics: Conference Series 2070, no. 1 (2021): 012118. http://dx.doi.org/10.1088/1742-6596/2070/1/012118.

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Abstract This paper presents an adaptive frequency Phase locked loop (PLL) based approach for grid connected multifunctional inverter is presented for residential applications. The proposed control structure deals with non-linear loads and also non ideal grid voltages like magnitude variation, frequency variation, unbalance harmonics, etc. and can effectively address the DC offset in a voltage signal which in turn improves the power quality. A third order generalized integrator based PLL with adaptive frequency and DC offset elimination blocks will effectively deal with the power grid voltage fluctuations, frequency variations and eliminate the phase difference between PLL output. This approach is implemented as control algorithm for single-stage single-phase grid connected multifunctional inverter topology for PV applications which feeds energy to the grid. The Maximum Power Point Tracking is obtained by Perturb & Observe method for extracting maximum power from a Photovoltaic system. A detailed analysis with the proposed control technique is presented in this paper. Experimental tests are conducted at various operating conditions to describe and verify the performance of the proposed control using MATLAB / Simulink.

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Porobic, Vlado, Evgenije Adzic, and Milan Rapaic. "HIL evaluation of control unit in grid-tied coverters." Thermal Science 20, suppl. 2 (2016): 393–406. http://dx.doi.org/10.2298/tsci150928025p.

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Hardware-in-the-Loop (HIL) emulation is poised to become unsurpassed design tool for development, testing, and optimization of real-time control algorithms for grid connected power electronics converters for distributed generation, active filters and smart grid applications. It is strongly important to examine and test how grid connected converters perform under different operating conditions including grid disturbances and faults. In that sense, converter?s controller is a key component responsible for ensuring safe and high-performance operation. This paper demonstrates an example how ultra-low latency and high fidelity HIL emulator is used to easily, rapidly and exhaustively test and validate standard control strategy for grid connected power electronics converters, without need for expensive hardware prototyping and laboratory test equipment.

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Torres Ome, Arnold Ferney, Ana Lucía Paque Salazar, Fernand Diaz Franco, and July Steffany González López. "Computer Tool for Sizing and Economic Assessment of Grid Connected Photovoltaic System." Journal of Sustainable Development 11, no. 5 (2018): 137. http://dx.doi.org/10.5539/jsd.v11n5p137.

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Thanks to the location close to the Equator line, Colombia offers an advantage location for solar applications. This is the case of Neiva, a city located in the south of Colombia where the average temperature and irradiance are 31 &deg;C and 4 kW/m2 respectively. This paper describes the development of an investment payback solar calculator (PSC) software for residential and commercial PV solar applications in Neiva. The PSC uses both the average solar energy and the electricity prices to estimate the rate of return on investment, the payback period (PBP), the net present value (NPV) as well as the environmental impact. The PCS software is then evaluated using a historical and statistical information from NASA, adjusted with the results of a small scale 1 kW grid connected PV system production. The results show that the PCS software can satisfactorily indicate the PV system size and perform an economic evaluation of the system to be implemented. The results obtained using the application developed were compared to two commercially available software Sunny Design and HOMER. The NPV and the PBP values showed that the proposed application results are like those delivered by the commercial software. Furthermore, the economic evaluation given by the developed tool uses additional information which makes it more accurate in countries where socioeconomic stratum is presented.

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Francisco Coelho, Roberto, Douglas Haupt, Christian Buzzio, Lenon Schmitz, Denizar Cruz Martins, and Roberto Francisco Coelho. "Design and implementation of a T-type based topology for Grid-Connected Current-Source Inverters in PV applications." Eletrônica de Potência 27, no. 04 (2022): 1–10. http://dx.doi.org/10.18618/rep.2022.4.0032.

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Swamy, D. Manikanta, M. Venkatesan, and M. Subbarao. "Investigations on Three-phase Grid-Connected Inverter using PWM Controllers." Journal of Engineering Science and Technology Review 13, no. 5 (2020): 176–82. http://dx.doi.org/10.25103/jestr.135.23.

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In recent years, a Multilevel Inverter (MLI) topology is highly preferred in the various renewable energy applications for converting power due to their merits. In this paper, a three-phase inverter has been designed for grid-connected applications using Proportional Integral (PI) current controller scheme. To generate a sequence, the Level shift (LS) and Phase Shift (PS) Pulse Width Modulation (PWM) methodologies are adapted. This topology has been designed with two stages: the DC-DC conversion stage and DC-AC conversion stage. The DC-DC conversion stage is used to enrich input DC voltage which is obtained from the solar PV array. The PI current controller has been designed to regulate the grid current with park transformation. The performances of the inverter have been examined in terms of Total Harmonic Distortion (THD) using different PWM techniques and also investigated with existing research works. The developed results are verified using MATLAB/ Simulink.

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Kazmierkowski, Marian P., Marek Jasinski, and Grzegorz Wrona. "DSP-Based Control of Grid-Connected Power Converters Operating Under Grid Distortions." IEEE Transactions on Industrial Informatics 7, no. 2 (2011): 204–11. http://dx.doi.org/10.1109/tii.2011.2134856.

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Singh, Vijay Kumar, and Ravi Nath Tripathi. "An FPGA Hardware-in-the-Loop Approach for Comprehensive Analysis and Development of Grid-Connected VSI System." Energies 16, no. 2 (2023): 759. http://dx.doi.org/10.3390/en16020759.

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Power electronic converters are used for an efficient and controlled conversion of power generated from renewable energy sources and can interface generated power to the grid. Among available power converters, voltage source inverters (VSIs) have been widely employed for grid-connected applications due to better controllability with higher efficiency. Although various conventional, as well as modern control techniques, have been developed for grid connected VSI system, there is a need to select suitable control technique based on application and control requirements. Hardware-in-the-loop (HIL) is considered as a realistic approach for the development of system and control due to the inclusion of an actual hardware system. In this paper, a HIL approach is adopted for the comprehensive analysis and development of a grid connected VSI system using a field programmable gate array (FPGA). The control techniques must deal with trade-off, based on the features and limitations. Therefore, a grid-connected VSI system is developed considering employment of two different conventional control techniques: hysteresis current control (HCC) and PI-based space vector modulation (PI-SVM), as well as finite state model predictive control (FS-MPC) as a modern control technique for investigation considering different parameters. All three control systems are developed through a digital simulator of Xilinx that is integrated with MATLAB-Simulink, while considering an FPGA based system development and testing through FPGA HIL co-simulation methodology.

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