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272,545 result(s) for "Photovoltaics"
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Photovoltaics : system design and practice
With the explosive growth in PV (photovoltaic) installations globally, the sector continues to benefit from important improvements in manufacturing technology and the increasing efficiency of solar cells, this timely handbook brings together all the latest design, layout and construction methods for entire PV plants in a single volume.
Review of the Challenges and Prospects in Agrivoltaics
Agri‐photovoltaics (agri‐PV) offer a promising synergy between renewable energy generation and agricultural productivity, enabling dual land use to address growing food and energy demands. This review presents a comprehensive synthesis of recent developments in agri‐PV technologies, with a particular focus on structural design typologies (e.g., overhead, vertical, dynamic tracking systems), land‐use efficiency indicators (e.g., land equivalent ratio and ground coverage ratio), and climate–crop–PV interactions. Critical technoeconomic parameters such as the levelized cost of electricity and levelized cost of agrivoltaics are emphasized, highlighting their role in assessing financial viability. Through global case studies—including the co‐ownership revenue‐sharing model—it is explored how agri‐PV systems can be economically viable for both PV developers and farmers. In addition, the article examines underrepresented dimensions such as impacts on biodiversity, long‐term soil health, and ecosystem resilience. Persistent barriers such as public acceptance, policy inconsistencies, and the absence of universal design standards are also discussed. By identifying existing knowledge gaps and emerging opportunities, this review aims to guide interdisciplinary collaboration toward the development of sustainable, scalable, and ecologically sensitive agri‐PV systems worldwide. This articles reviews the recent prospects of agri‐photovoltaics (agri‐PV) across continents. The existing standards and pilot projects to standardize new codes and regulations are discussed. The state‐of‐the‐art agri‐PV scheme's benefits and lackings are presented. Community acceptance and policy barriers are also discussed where prospective solutions presented in the literature are organized.
Grid converters for photovoltaic and wind power systems
Advancements in grid converter technology have been pivotal in the successful integration of renewable energy. The high penetration of renewable energy systems is calling for new more stringent grid requirements. As a consequence, the grid converters should be able to exhibit advanced functions like: dynamic control of active and reactive current injection during faults, and grid services support. <p>This book explains the topologies, modulation and control of grid converters for both photovoltaic and wind power applications. In addition to power electronics, coverage focuses on the specific applications in photovoltaic and wind power systems where grid condition is an essential factor.</p> <p>With a review of the most recent grid requirements for photovoltaic and wind power systems, the relevant issues are discussed:</p> <ul> <li> <div>Modern grid inverter topologies for photovoltaic and wind turbines</div> </li> <li> <div>Islanding detection methods for photovoltaic systems</div> </li> <li> <div>Synchronization techniques based on second order generalized integrators (SOGI)</div> </li> <li> <div>Advanced synchronization techniques with robust operation under grid unbalance condition</div> </li> <li> <div>Resonant controller techniques for current control and harmonic compensation</div> </li> <li> <div>Grid filter design and active damping techniques</div> </li> <li> <div>Power control under grid fault conditions, considering both positive and negative sequences</div> </li> </ul> <p>Throughout, the authors include practical examples, exercises, and simulation models and an accompanying website sets out further modeling techniques using MATLAB&#174; and Simulink environments and physical security information management (PSIM) software.</p> <p><i>Grid Converters for Photovoltaic and Wind Power Systems</i> is intended as a course book for graduate students with a background in electrical engineering and for professionals in the evolving renewable energy industry. For professors interested in adopting the course, a set of slides is available for download from the website.</p> <p><b>Companion Website</b></p> <p><a href=\"http://www.wiley.com/go/grid_converters\">www.wiley.com/go/grid_converters</a></p>
Floating Photovoltaics: A Review
The world is transitioning towards a net zero emissions future and solar energy is at the forefront of the transition. The land use requirements to install solar farms present a barrier for the industry as population density increases and land prices rise. Floating photovoltaics (FPV) addresses this issue by installing solar photovoltaics (PV) on bodies of water. Globally, installed FPV is increasing and becoming a viable option for many countries. A 1% coverage of global reservoirs with FPV would have a potential capacity of 404GWp benign power production. There are numerous advantages to FPV compared to ground mounted PV (GPV), which are discussed in this review. The major gap in research is the impact FPV has on water quality and living organisms in the bodies of water. This review paper examines the most recent research around FPV, analyzing the benefits, downfalls, and future. The review provides more insight into FPV in terms of varying water bodies that can be used, system efficiency, global potential, and potential for coupling FPV with other technologies.
Color-neutral, semitransparent organic photovoltaics for power window applications
Semitransparent organic photovoltaic cells (ST-OPVs) are emerging as a solution for solar energy harvesting on building facades, rooftops, and windows. However, the trade-off between powerconversion efficiency (PCE) and the average photopic transmission (APT) in color-neutral devices limits their utility as attractive, power-generating windows. A color-neutral ST-OPV is demonstrated by using a transparent indium tin oxide (ITO) anode along with a narrow energy gap nonfullerene acceptor near-infrared (NIR) absorbing cell and outcoupling (OC) coatings on the exit surface. The device exhibits PCE = 8.1 ± 0.3% and APT = 43.3 ± 1.2% that combine to achieve a light-utilization efficiency of LUE = 3.5 ± 0.1%. Commission Internationale d’eclairage chromaticity coordinates of (0.38, 0.39), a color-rendering index of 86, and a correlated color temperature of 4,143 K are obtained for simulated AM1.5 illumination transmitted through the cell. Using an ultrathin metal anode in place of ITO, we demonstrate a slightly green-tinted STOPV with PCE = 10.8 ± 0.5% and APT = 45.7 ± 2.1% yielding LUE = 5.0 ± 0.3% These results indicate that ST-OPVs can combine both efficiency and color neutrality in a single device.
City-level analysis of subsidy-free solar photovoltaic electricity price, profits and grid parity in China
In recent years, China has become not just a large producer but a major market for solar photovoltaics (PV), increasing interest in solar electricity prices in China. The cost of solar PV electricity generation is affected by many local factors, making it a challenge to understand whether China has reached the threshold at which a grid-connected solar PV system supplies electricity to the end user at the same price as grid-supplied power or the price of desulfurized coal electricity, or even lower. Here, we analyse the net costs and net profits associated with building and operating a distributed solar PV project over its lifetime, taking into consideration total project investments, electricity outputs and trading prices in 344 prefecture-level Chinese cities. We reveal that all of these cities can achieve—without subsidies—solar PV electricity prices lower than grid-supplied prices, and around 22% of the cities’ solar generation electricity prices can compete with desulfurized coal benchmark electricity prices. Although solar photovoltaic use grows rapidly in China, comparison with grid prices is difficult as photovoltaic electricity prices depend on local factors. Using prefecture-level data, Yan et al. find that 100% of user-side systems can achieve grid parity, while 22% can produce electricity cheaper than coal-based power plants.
Overview and Perspective of Integrated Photovoltaics with a Focus on the European Union
The global cumulative installed PV capacity is anticipated to surpass 2 TWp by the end of 2024, which is an increase in three orders of magnitude from the 1 GWp at the end of 2004. Depending on the energy transition scenarios, up to 8 kWp per capita have to be operational by 2050 globally. In Europe, this capacity could even be 50% higher, and this will have consequences on the decisions regarding where to install this capacity; thus, these decisions will be significantly impacted. This paper gives an overview of the technology options for installing PV systems in areas already used for other human activities as well as integrating them into ships and vehicles without the acquisition of extra land. The focus of this paper is on the situations within the European Union, such as land competition, and presents innovative solutions.