Solar Compass最新文献_第6页

Study on the comparative performances of the solar stills with two different condensing glass cover shapes 两种不同型态冷凝玻璃罩的太阳能蒸馏器性能比较研究

Solar Compass Pub Date : 2025-03-01 Epub Date: 2024-12-22 DOI: 10.1016/j.solcom.2024.100103

P․Manoj Kumar

引用次数: 0

Comparative analysis of bifacial and monofacial FPV system in the UK 英国双面和单面FPV系统的比较分析

Solar Compass Pub Date : 2025-03-01 Epub Date: 2025-01-22 DOI: 10.1016/j.solcom.2025.100106

Mohammed Al Araimi, Mohamed Al Mandhari, Aritra Ghosh

{"title":"Comparative analysis of bifacial and monofacial FPV system in the UK","authors":"Mohammed Al Araimi, Mohamed Al Mandhari, Aritra Ghosh","doi":"10.1016/j.solcom.2025.100106","DOIUrl":"10.1016/j.solcom.2025.100106","url":null,"abstract":"<div><div>Floating photovoltaic (FPV) systems offer an effective solution to land-use constraints and efficiency challenges in traditional ground-mounted photovoltaic (PV) systems. This study investigates the performance of bifacial and monofacial TOPCon PV panels with power ratings of 460 W and 420 W, respectively, in an FPV setup under temperate UK conditions. Addressing a gap in experimental data for such climates, the experiment was conducted at the University of Exeter's Penryn campus. Results show that bifacial panels achieved an average efficiency of 19.64 %, outperforming monofacial panels by 6.59 %. At high irradiance of 1043 W/m², bifacial panels generated a maximum power output of 401.7 W, compared to 391 W for monofacial panels. Even under low irradiance conditions (228 W/m²), bifacial panels maintained an advantage, producing 127.4 W versus 85.43 W for monofacial panels. Thermal analysis demonstrated that bifacial panels exhibited superior cooling, with a top-bottom temperature differential of 1.71 °C, compared to 3.51 °C for monofacial panels. The bifacial gain peaked at 19 % under low irradiance, reducing to 5 % at higher irradiance levels. These results highlight the potential of bifacial FPV systems to enhance energy generation and improve thermal stability in regions with diffuse solar radiation. The findings provide valuable insights for optimizing FPV system designs and suggest that bifacial panels are a promising technology for maximizing solar energy production in temperate climates.</div></div>","PeriodicalId":101173,"journal":{"name":"Solar Compass","volume":"13 ","pages":"Article 100106"},"PeriodicalIF":0.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143146549","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Improving optical efficiency of linear Fresnel collectors in the Sahel via position and length adjustment 通过位置和长度调整提高萨赫勒地区线性菲涅耳集热器的光学效率

Solar Compass Pub Date : 2025-03-01 Epub Date: 2024-12-25 DOI: 10.1016/j.solcom.2024.100105

Souwera Stan Lionnel Somda, Kokouvi Edem N’Tsoukpoe

{"title":"Improving optical efficiency of linear Fresnel collectors in the Sahel via position and length adjustment","authors":"Souwera Stan Lionnel Somda, Kokouvi Edem N’Tsoukpoe","doi":"10.1016/j.solcom.2024.100105","DOIUrl":"10.1016/j.solcom.2024.100105","url":null,"abstract":"<div><div>Linear Fresnel concentrators are promising technologies for solar thermal applications, but their performance is often hindered by end losses and inefficiencies related to receiver design and placement. This study aimed to enhance LFC optical performance under the specific solar conditions of the Sahel region by exploring dynamic receiver displacement and tailored receiver length extension. The methodology involved calculating the maximum non-illuminated receiver length analytically for each solar condition and simulating various displacement frequencies (weekly, biweekly, and monthly) using the Tonatiuh ray-tracing tool. The combined strategies of dynamic receiver adjustment and analytically optimised receiver length were evaluated in terms of annual optical efficiency and flux stability. Key findings reveal that the dynamic displacement strategy improved average annual optical efficiency by 13 percentage points, corresponding to a 38 % relative increase compared to fixed receiver positions. Weekly adjustments provided the highest efficiency, while monthly adjustments offered a practical alternative, achieving similar performance with four times fewer interventions. Extending the receiver to match the calculated maximum non-illuminated length yielded an additional 3 % improvement in annual efficiency and a 75 % reduction in flux variability. These results highlight the advantages of adapting receiver design and positioning strategies to regional solar profiles, particularly in intertropical regions like the Sahel. The proposed methods enhance both the optical performance and economic feasibility of LFCs, offering practical insights for optimising solar thermal technologies in diverse climates. Future work could explore automated adjustment mechanisms to further reduce operational demands and improve scalability.</div></div>","PeriodicalId":101173,"journal":{"name":"Solar Compass","volume":"13 ","pages":"Article 100105"},"PeriodicalIF":0.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143146497","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A modified multi-objective particle swarm optimization (M-MOPSO) for optimal sizing of a solar–wind–battery hybrid renewable energy system 改进的多目标粒子群优化（M-MOPSO），用于优化太阳能-风能-电池混合可再生能源系统的大小

Solar Compass Pub Date : 2024-12-01 Epub Date: 2024-08-13 DOI: 10.1016/j.solcom.2024.100082

Ukoima Kelvin Nkalo , Okoro Ogbonnaya Inya , Obi, Patrick Ifeanyi , Akuru Udochukwu Bola , Davidson Innocent Ewean

{"title":"A modified multi-objective particle swarm optimization (M-MOPSO) for optimal sizing of a solar–wind–battery hybrid renewable energy system","authors":"Ukoima Kelvin Nkalo , Okoro Ogbonnaya Inya , Obi, Patrick Ifeanyi , Akuru Udochukwu Bola , Davidson Innocent Ewean","doi":"10.1016/j.solcom.2024.100082","DOIUrl":"10.1016/j.solcom.2024.100082","url":null,"abstract":"<div><p>This study proposes and utilizes a modified multi-objective particle swarm optimization (M-MOPSO) algorithm for the optimal sizing of a solar-wind-battery hybrid renewable energy system for a rural community in Rivers State, Nigeria. Unlike previous studies that primarily focused on minimizing total economic cost (TEC) and total annual cost (TAC), this research emphasizes minimizing the loss of power supply probability (LPSP) and levelized cost of energy (LCOE). The M-MOPSO algorithm introduces a dynamic inertia weight, a unique repository update mechanism, and a dominance-based personal best update strategy, which collectively enhance its performance. Comparative analysis with PSO, NSGA-II, MOPSO and hybrid GA-PSO demonstrates that M-MOPSO consistently achieves a lower LPSP, although its LCOE remains higher. The M-MOPSO optimal configuration when simulated under various climatic scenarios was able to meet the energy needs of the community irrespective of ambient condition.</p></div>","PeriodicalId":101173,"journal":{"name":"Solar Compass","volume":"12 ","pages":"Article 100082"},"PeriodicalIF":0.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S277294002400016X/pdfft?md5=cbcdd9f060392d2e387000ed198d1c74&pid=1-s2.0-S277294002400016X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142044561","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Optimal placement and upgrade of solar PV integration in a grid-connected solar photovoltaic system 并网太阳能光伏系统中太阳能光伏集成的优化配置与升级

Solar Compass Pub Date : 2024-12-01 Epub Date: 2024-11-26 DOI: 10.1016/j.solcom.2024.100099

Edward Dodzi Amekah , Emmanuel Wendsongre Ramde , David Ato Quansah , Elvis Twumasi , Stefanie Meilinger , Thorsten Schneiders

{"title":"Optimal placement and upgrade of solar PV integration in a grid-connected solar photovoltaic system","authors":"Edward Dodzi Amekah , Emmanuel Wendsongre Ramde , David Ato Quansah , Elvis Twumasi , Stefanie Meilinger , Thorsten Schneiders","doi":"10.1016/j.solcom.2024.100099","DOIUrl":"10.1016/j.solcom.2024.100099","url":null,"abstract":"<div><div>The shift towards renewable energy sources has heightened the interest in solar photovoltaic (SPV) systems, particularly in grid-connected configurations, to enhance energy security and reduce carbon emissions. Grid-tied SPVs face power quality challenges when specific grid codes are compromised. This study investigates and upgrades an integrated 90 kWp solar plant within a distribution network, leveraging data from Ghana's Energy Self-Sufficiency for Health Facilities (EnerSHelF) project. The research explores four scenarios for SPV placement optimization using dynamic programming and the Conditional New Adaptive Foraging Tree Squirrel Search Algorithm (CNAFTSSA). A Python-based simulation identifies three scenarios, high load nodes, voltage drop nodes, and system loss nodes, as the points for placing PV for better performance. The analysis revealed 85 %, 82.88 %, and 100 % optimal SPV penetration levels for placing the SPV at high load, voltage drop, and loss nodes. System active power losses were reduced by 72.97 %, 71.52 %, and 70.15 %, and reactive power losses by 73.12 %, 71.86 %, and 68.11 %, respectively, by placing the SPV at the above three categories of nodes. The fourth scenario applies to CNAFTSSA, achieving 100 % SPV penetration and reducing active and reactive power losses by 72.33 % and 72.55 %, respectively. This approach optimizes the voltage regulation (VR) from 24.92 % to 4.16 %, outperforming the VR of PV placement at high load nodes, voltage drop nodes, and loss nodes, where the voltage regulations are 5.25 %, 9.36 %, and 9.64 %, respectively. The novel CNAFTSSA for optimal SPV placement demonstrates its effectiveness in achieving higher penetration levels and improving system losses and VR. The findings highlight the effectiveness of strategic SPV placement and offer a comprehensive methodology that can be adapted for similar power distribution systems.</div></div>","PeriodicalId":101173,"journal":{"name":"Solar Compass","volume":"12 ","pages":"Article 100099"},"PeriodicalIF":0.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143101352","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Assessing property value impacts near utility-scale solar in the Midwestern United States 评估美国中西部公用事业级太阳能附近的财产价值影响

Solar Compass Pub Date : 2024-12-01 Epub Date: 2024-09-07 DOI: 10.1016/j.solcom.2024.100090

Simeng Hao, Gilbert Michaud

{"title":"Assessing property value impacts near utility-scale solar in the Midwestern United States","authors":"Simeng Hao, Gilbert Michaud","doi":"10.1016/j.solcom.2024.100090","DOIUrl":"10.1016/j.solcom.2024.100090","url":null,"abstract":"<div><p>Utility-scale solar energy project proposals have been accelerating exponentially in the United States (U.S.) as the energy transition from fossil fuels to renewables continues to unfold. While the emissions and economic related benefits of deploying large-scale solar photovoltaics (PV) for electricity generation are well documented, relatively less is known about their impact on nearby property values. This paper investigates the location of utility-scale solar facilities in the U.S. Midwest, the average home value in each relevant zip code, and whether the presence of a utility-scale solar project affects nearby property values in any manner. Our study includes 70 utility-scale solar facilities built in the Midwest from 2009 to 2022 using data from the Lawrence Berkeley National Laboratory. Alongside housing value data from Zillow (i.e., Zestimate), we incorporate additional data, including solar project size in installed capacity, rurality, and state. Using the difference-in-differences method, our results indicate that utility-scale solar projects increase nearby property values by roughly 0.5–2.0 %. Moreover, our results show that smaller projects have more of a positive impact on nearby property values than projects that are 20 megawatts or larger. Ultimately, having a better understanding of how these larger-scale solar projects impact property values is essential for a variety of stakeholders – especially local officials and property owners – as they are increasingly faced with making decisions about whether to permit the construction of these facilities in their communities.</p></div>","PeriodicalId":101173,"journal":{"name":"Solar Compass","volume":"12 ","pages":"Article 100090"},"PeriodicalIF":0.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772940024000249/pdfft?md5=a2acc8462d8008eddfeadb3c47a00e75&pid=1-s2.0-S2772940024000249-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142173654","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Photovoltaic penetration potential in the Greek island of Ikaria 希腊伊卡里亚岛的光伏渗透潜力

Solar Compass Pub Date : 2024-12-01 Epub Date: 2024-08-22 DOI: 10.1016/j.solcom.2024.100080

Maria Fotopoulou , Dimitrios Rakopoulos , Kyriaki-Nefeli Malamaki , Nikolaos Andriopoulos , Georgios Lampsidis , Konstantinos Kaousias

{"title":"Photovoltaic penetration potential in the Greek island of Ikaria","authors":"Maria Fotopoulou , Dimitrios Rakopoulos , Kyriaki-Nefeli Malamaki , Nikolaos Andriopoulos , Georgios Lampsidis , Konstantinos Kaousias","doi":"10.1016/j.solcom.2024.100080","DOIUrl":"10.1016/j.solcom.2024.100080","url":null,"abstract":"<div><p>The operation of Distribution Networks (DNs) has been affected by the ongoing energy transition, gradually incorporating more Distributed Energy Resources (DERs), mainly Renewable Energy Sources (RES), as well as Energy Storage Systems (ESS) sustainably enhancing DN’s flexibility. In the case of the non-interconnected island of Ikaria, Greece, with high solar and wind potential, the DN includes conventional generators, Photovoltaic systems (PVs), wind farms and a hydro-pumped ESS. Scope of this study is to assess the possible impact of the PVs expansion considering either: i) fixed, ii) single-axis or iii) dual-axis tracking panels. For this purpose, CERTH’s in-house INTEMA.grid platform is used. Tracking mechanism’s effectiveness is studied considering that the expansion doubles or triples the rated power of the existing, fixed 0.4 MW PVs, following the directions of the Distribution System Operator (DSO). Additionally, a monthly analysis is presented, because Ikaria is an island with extremely higher load during summer months due to tourism. According to the results, if the current PV capacity is doubled or tripled, a dual-axis expansion yields 16.0% or 21.3% yearly production increase compared to fixed panels, respectively, with the single-axis effect though being much higher (14% or 18.7%, respectively) than the incremental effect of the second axis (further comparative 1.8% or 2.3%, respectively). The effectiveness of tracking mechanisms is highlighted during summer months and particularly early in the morning or late in the afternoon. Finally, environmental and economic indicators for the proposed installations are assessed.</p></div>","PeriodicalId":101173,"journal":{"name":"Solar Compass","volume":"12 ","pages":"Article 100080"},"PeriodicalIF":0.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772940024000146/pdfft?md5=939185c53b352d191c3486812b84a5a5&pid=1-s2.0-S2772940024000146-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142077216","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Role of energy efficiency in energy transition: A decomposition analysis of energy use 能源效率在能源转型中的作用：能源使用分解分析

Solar Compass Pub Date : 2024-12-01 Epub Date: 2024-08-26 DOI: 10.1016/j.solcom.2024.100086

Pooja Sharma

{"title":"Role of energy efficiency in energy transition: A decomposition analysis of energy use","authors":"Pooja Sharma","doi":"10.1016/j.solcom.2024.100086","DOIUrl":"10.1016/j.solcom.2024.100086","url":null,"abstract":"<div><p>The use of energy-efficient technologies tends to reduce the overall energy use of a country and foster the energy transition pathways. However, a change in energy can occur either due to a change in activity effect, intensity effect, or structural effect. The objective of the study is firstly to examine and measure the magnitude of change in energy use and identify the factor responsible for the change in energy use in the selected sectors. Secondly, the paper aims to analyze the impact of the Norwegian economy on the three effects of energy use. The study contributes significantly to identifying the sector that experiences a reduction in energy use due to energy efficiency and examining the impact of the economy on energy use. The overall energy use between 1990 and 2017 is decomposed into three different effects for selected energy-intensive sectors by deploying the ‘Logarithmic Mean Divisia Index’ (LMDI) method. Further, the impact of the Norwegian economy is examined on the three effects of energy use. It is observed that in each Phase, the key driver for change in energy use in all three Phases is the transport sector. Post-recession, the energy use in the transport sector was due to structural effects. Consumer behavior and limitations of sources of finance are the challenges for the deployment of electric vehicles even after technological breakthroughs in energy efficiency. Finally, the policies to enhance energy efficiency in energy-intensive sectors, such as the transport, and services sector must be undertaken to efficiently visualize energy efficiency-driven energy transition.</p></div>","PeriodicalId":101173,"journal":{"name":"Solar Compass","volume":"12 ","pages":"Article 100086"},"PeriodicalIF":0.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772940024000201/pdfft?md5=f2464f079d87cb62cbc003c929585683&pid=1-s2.0-S2772940024000201-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142150800","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The macro view of solar policy: The case for supporting utility-scale power 太阳能政策的宏观视角：支持公用事业规模发电的理由

Solar Compass Pub Date : 2024-12-01 Epub Date: 2024-11-22 DOI: 10.1016/j.solcom.2024.100096

Andy Hira , Prasanna Krishnan

引用次数: 0

The high price U.S green economy: A specific factor modeling 美国高价绿色经济：特定因素模型

Solar Compass Pub Date : 2024-12-01 Epub Date: 2024-08-11 DOI: 10.1016/j.solcom.2024.100081

Osei-Agyeman Yeboah, Nicholas Mensah Amoah, Kwadwo Antwi-Wiafe

{"title":"The high price U.S green economy: A specific factor modeling","authors":"Osei-Agyeman Yeboah, Nicholas Mensah Amoah, Kwadwo Antwi-Wiafe","doi":"10.1016/j.solcom.2024.100081","DOIUrl":"10.1016/j.solcom.2024.100081","url":null,"abstract":"<div><p>The high price of energy due to the green energy policy will cause adjustments across the U.S. economy is predicted in the present computable general equilibrium with specific factors model. This includes energy input, especially electricity with capital and labor to produce manufacturing and service goods. 2022 labor, energy, and sector-specific capital input data on U.S. manufacturing, service, and agricultural sectors is applied to specific factors of the computable general equilibrium model. The model, which assumes constant returns, full employment, competitive pricing, and perfect labor mobility across industries hypothesizes a range of price changes due to project potential adjustments in factor prices and outputs. The U.S manufacturing sector is revealed to have a higher degree of noncompetitive pricing for energy factor inputs, but not on labor and capital as advocates for green energy tout by the new technology. The policy has virtually no significant impact on the service and agricultural sectors. The high price of green energy will cause an elastic decrease in all energy inputs. The output from energy-intensive manufacturing only rises in the long run by 4 % while service and agriculture fall. Clear winners are the owners of energy resources through their price-searching behavior. This includes the government, which owns a large share of hydrocarbon reserves.</p></div>","PeriodicalId":101173,"journal":{"name":"Solar Compass","volume":"12 ","pages":"Article 100081"},"PeriodicalIF":0.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772940024000158/pdfft?md5=2c3ae48447465a35f137b47290cc0179&pid=1-s2.0-S2772940024000158-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142044562","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0