Renewable Energy Focus最新文献

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Flexible operation of nuclear hybrid energy systems for load following and water desalination 核电混合能源系统的灵活运行,用于负荷跟踪和海水淡化
IF 4.2
Renewable Energy Focus Pub Date : 2024-09-25 DOI: 10.1016/j.ref.2024.100641
An Ho , Blake W. Billings , John D. Hedengren , Kody M. Powell
{"title":"Flexible operation of nuclear hybrid energy systems for load following and water desalination","authors":"An Ho ,&nbsp;Blake W. Billings ,&nbsp;John D. Hedengren ,&nbsp;Kody M. Powell","doi":"10.1016/j.ref.2024.100641","DOIUrl":"10.1016/j.ref.2024.100641","url":null,"abstract":"<div><div>Nuclear hybrid energy systems (NHES) have the potential to provide dependable and emission-free electricity to the grid while also increasing the flexibility and reliability of the electrical grid. Molten salt reactor (MSR) technology can provide consistent, carbon-free electricity while also increasing efficiency, security, and sustainability and reducing nuclear waste. This study investigates the integration of Molten Salt Reactors (MSR) and conventional Pressurized Water Reactors (PWR) with desalination technologies: Direct Contact Membrane Distillation (DCMD), Multi-Stage Flash Distillation (MSFD), and Reverse Osmosis (RO). Dynamic first-principles models were developed and tested using real grid data from the New York Independent System Operator. The results demonstrate that nuclear power is capable of flexibly responding to changing grid demand while simultaneously producing clean water, particularly during periods of low electricity demand. The MSR-RO system was found to be the most efficient in electricity generation and water production, and all hybrid systems reduced CO2 emissions by 356,000 to 682,000 tons annually. Economic analysis reveals that nuclear desalination technologies are cost-competitive with conventional systems, especially when paired with RO. These findings confirm the technical feasibility and environmental benefits of nuclear hybrid systems for sustainable electricity and water production.</div></div>","PeriodicalId":29780,"journal":{"name":"Renewable Energy Focus","volume":"51 ","pages":"Article 100641"},"PeriodicalIF":4.2,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142326490","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A literature review of using supercritical CO2 for geothermal energy extraction: Potential, methods, challenges, and perspectives 利用超临界二氧化碳提取地热能的文献综述:潜力、方法、挑战和前景
IF 4.2
Renewable Energy Focus Pub Date : 2024-09-19 DOI: 10.1016/j.ref.2024.100637
Zhipeng Xu , Haochen Zhao , Longqing Fan , Qi Jia , Tiantian Zhang , Xuedan Zhang , Dongliang Han , Yufei Tan , Jing Liu
{"title":"A literature review of using supercritical CO2 for geothermal energy extraction: Potential, methods, challenges, and perspectives","authors":"Zhipeng Xu ,&nbsp;Haochen Zhao ,&nbsp;Longqing Fan ,&nbsp;Qi Jia ,&nbsp;Tiantian Zhang ,&nbsp;Xuedan Zhang ,&nbsp;Dongliang Han ,&nbsp;Yufei Tan ,&nbsp;Jing Liu","doi":"10.1016/j.ref.2024.100637","DOIUrl":"10.1016/j.ref.2024.100637","url":null,"abstract":"<div><p>In order to achieve the goal of carbon neutrality in the energy sector and promote sustainable economic development, it is critical to expand the depth of geothermal exploitation and accelerate the development of mid-deep geothermal energy. However, traditional hydrothermal geothermal systems are hindered by water scarcity, low heat extraction efficiency and so on. The solution may lie in using supercritical CO<sub>2</sub> (SCCO<sub>2</sub>) instead of water for geothermal extraction, which not only enables efficient geothermal exploitation but also allows for additional CO<sub>2</sub> sequestration. This paper begins by introducing the current status and characteristics of geothermal resources, including hot dry rock, deep saline aquifers, and depleted oil–gas reservoirs, along with a review of related engineering cases in the world. Additionally, the advantages of SCCO<sub>2</sub> compared to water in heat extraction are examined, and progress in the development of CO<sub>2</sub> geothermal systems, CO<sub>2</sub>-enhanced geothermal system (CO<sub>2</sub>-EGS) and CO<sub>2</sub> plume geothermal system (CPGS), is summarized, highlighting the challenges they face. Furthermore, the paper explains the additional benefits of CO<sub>2</sub> geothermal systems. In the end, future research trends and development strategies are presented. For CO<sub>2</sub>-EGS, reservoirs artificial fracturing technology should be the focus of future research. For CPGS, it is vital to improve the efficiency of heat extraction, with special attention given to the geothermal resources in depleted oil–gas reservoirs, particularly depleted gas reservoirs. The practical application of CO<sub>2</sub> geothermal systems requires the efforts of governments, research institutions, enterprises, and other stakeholders to work together.</p></div>","PeriodicalId":29780,"journal":{"name":"Renewable Energy Focus","volume":"51 ","pages":"Article 100637"},"PeriodicalIF":4.2,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142270345","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Solving congestions with pumped hydro storage under high penetration of renewable energy in Vietnam: The case of Ninh Thuan HV grid 利用抽水蓄能解决越南可再生能源高渗透率情况下的拥堵问题:宁顺高压电网案例
IF 4.2
Renewable Energy Focus Pub Date : 2024-09-18 DOI: 10.1016/j.ref.2024.100638
Thi-Thuy-Hang Le , Eleonora Riva Sanseverino , Quang-Ninh Nguyen , Maria Luisa Di Silvestre , Salvatore Favuzza , Dinh Quang Nguyen , Rossano Musca
{"title":"Solving congestions with pumped hydro storage under high penetration of renewable energy in Vietnam: The case of Ninh Thuan HV grid","authors":"Thi-Thuy-Hang Le ,&nbsp;Eleonora Riva Sanseverino ,&nbsp;Quang-Ninh Nguyen ,&nbsp;Maria Luisa Di Silvestre ,&nbsp;Salvatore Favuzza ,&nbsp;Dinh Quang Nguyen ,&nbsp;Rossano Musca","doi":"10.1016/j.ref.2024.100638","DOIUrl":"10.1016/j.ref.2024.100638","url":null,"abstract":"<div><p>Renewable energy sources are increasingly penetrating all power networks worldwide, despite the security status of these networks threatened by the fickle nature of these sources. Ninh Thuan Province (Vietnam) experienced a solar power boom in 2019–2021 and, with it, the congestion of both the local transmission and distribution networks. To solve congestions and operational security issues, large-scale storage solutions were considered and, due to land availability, Pumped Hydro Storage (PHS) technology was selected to solve these problems. However, the operational risks of cascade outage when integrating both renewables and a PHS system needs to be carefully considered, especially in a bulk power system. For this reason, this study examined the potential of integrating a large-scale grid-connected PHS system in ensuring operational security against the impacts of solar power plants in Ninh Thuan. The analyses of static and dynamic security were carried out for scenarios with and without the PHS system, including under current operational conditions. The results of the simulations show that the presence of the PHS improves both static and dynamic performance of the system, thus allowing full exploitation of solar power and avoiding curtailment. NEPLAN environment was chosen to simulate all scenarios under the Vietnamese grid code.</p></div>","PeriodicalId":29780,"journal":{"name":"Renewable Energy Focus","volume":"51 ","pages":"Article 100638"},"PeriodicalIF":4.2,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1755008424001029/pdfft?md5=0ae98ff2929ab3b8d54ed51bd9bb761a&pid=1-s2.0-S1755008424001029-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142271010","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 security-preserving framework for sustainable distributed energy transition: Case of smart city 可持续分布式能源转型的安全保护框架:智慧城市案例
IF 4.2
Renewable Energy Focus Pub Date : 2024-09-13 DOI: 10.1016/j.ref.2024.100631
Dorna Tahmasebi , Morteza Sheikh , Morteza Dabbaghjamanesh , Tao Jin , Abdollah Kavousi-Fard , Mazaher Karimi
{"title":"A security-preserving framework for sustainable distributed energy transition: Case of smart city","authors":"Dorna Tahmasebi ,&nbsp;Morteza Sheikh ,&nbsp;Morteza Dabbaghjamanesh ,&nbsp;Tao Jin ,&nbsp;Abdollah Kavousi-Fard ,&nbsp;Mazaher Karimi","doi":"10.1016/j.ref.2024.100631","DOIUrl":"10.1016/j.ref.2024.100631","url":null,"abstract":"<div><p>The proliferation of smart devices that complement the energy system in order to make it easier to change the appearance of unique and autonomous energy systems and make them more manageable, causes the biggest problems in energy management in smart cities. With these promising results, storing data exchange between the smart city and its components of renewable sources and storage will reduce the risk of cyber-attacks in the energy system. To solve these problems, this paper proposes a reliable and privacy-preserving distributed model for the transition to smart cities, emphasizing the integration of renewable energy sources such as wind, solar, and tidal power into the urban energy ecosystem. For this purpose, a distributed model-based two-dimensional multiplicative method (PDMM) and a design-based model have been developed as a fast method to solve energy problems in smart cities. The results will show that PDMM performs well in large-scale optimization problems. To protect data privacy, the method of secure data exchange is based on a modified acyclic graph based on blockchain. Detailed numerical results demonstrate the performance of the proposed method based on the dynamic force curve. The results prove that the proposed model was able to get to an optimal and true consensus among agents with very low error values.</p></div>","PeriodicalId":29780,"journal":{"name":"Renewable Energy Focus","volume":"51 ","pages":"Article 100631"},"PeriodicalIF":4.2,"publicationDate":"2024-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142270301","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optimal management of shared energy storage in remote microgrid: A user-satisfaction approach 远程微电网中共享储能的优化管理:用户满意度方法
IF 4.2
Renewable Energy Focus Pub Date : 2024-09-13 DOI: 10.1016/j.ref.2024.100635
Rishal Asri , Hirohisa Aki , Daisuke Kodaira
{"title":"Optimal management of shared energy storage in remote microgrid: A user-satisfaction approach","authors":"Rishal Asri ,&nbsp;Hirohisa Aki ,&nbsp;Daisuke Kodaira","doi":"10.1016/j.ref.2024.100635","DOIUrl":"10.1016/j.ref.2024.100635","url":null,"abstract":"<div><p>This study investigates the utilization of renewable energy technologies, such as solar photovoltaics (PV) and energy storage, to reduce reliance on fossil-fuel microgrid generators in remote areas. However, renewable energy alone is not enough to address the existing challenges. Therefore, to optimize microgrid performance, it is crucial to incorporate shared energy storage and demand-response (DR) strategies from the demand side. Additionally, prosumers engaging in DR often encounter user-satisfaction issues. In this study, we propose a shared energy storage model that considers user satisfaction in remote areas. Additionally, we compared three energy storage models: individual, neighbor, and communal, to assess their effectiveness. To validate our findings, we juxtaposed two pricing scenarios: fixed and time-of-use (TOU) rates. The results of our study indicate that using shared energy storage leads to operational cost savings and increases user satisfaction compared to other scenarios. Finally, we employed the social index rate and performed a sensitivity analysis to determine the optimal operation that balances economic and environmental considerations.</p></div>","PeriodicalId":29780,"journal":{"name":"Renewable Energy Focus","volume":"51 ","pages":"Article 100635"},"PeriodicalIF":4.2,"publicationDate":"2024-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142243752","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A review of IoT-enabled smart energy hub systems: Rising, applications, challenges, and future prospects 物联网智能能源枢纽系统综述:崛起、应用、挑战和未来前景
IF 4.2
Renewable Energy Focus Pub Date : 2024-09-12 DOI: 10.1016/j.ref.2024.100634
Magda I. El-Afifi , Bishoy E. Sedhom , Sanjeevikumar Padmanaban , Abdelfattah A. Eladl
{"title":"A review of IoT-enabled smart energy hub systems: Rising, applications, challenges, and future prospects","authors":"Magda I. El-Afifi ,&nbsp;Bishoy E. Sedhom ,&nbsp;Sanjeevikumar Padmanaban ,&nbsp;Abdelfattah A. Eladl","doi":"10.1016/j.ref.2024.100634","DOIUrl":"10.1016/j.ref.2024.100634","url":null,"abstract":"<div><p>The 21<sup>st</sup> century’s booming population and escalating energy demands have driven significant efforts to enhance the Energy Hub (EH). The goal is to create a more intelligent and responsive system that can effectively cater to consumer needs while simultaneously improving the reliability and efficiency of contemporary energy infrastructure. The Internet of Things (IoT) has emerged as a key enabling technology for Smart Energy Hubs (SEH). While IoT offers a plethora of innovative solutions across various sectors, including critical infrastructure, it also introduces new security challenges. Since IoT devices inherently connect to the internet, SEH systems become susceptible to a wider range of cyberattacks. This vulnerability heightens as the number of integrated IoT devices increases. A single compromised device can expose the entire hub to cyber threats. Such attacks on energy sources have the potential to cripple entire cities, resulting in significant economic devastation. Therefore, robust security measures must be implemented before the widespread adoption of IoT-based devices in energy systems. This research delves into the architecture and infrastructure of IoT-enabled SEH. Following this, the focus shifts to analyzing the primary challenges and security concerns associated with their deployment. Finally, the research emphasizes cutting-edge approaches and tools that can bolster the security and resilience of IoT-enabled SEH against contemporary physical and cyber threats. Implementing secure and advanced data transmission systems based on blockchain technology holds promise in safeguarding the entire EH from cyber-physical attacks in the future.</p></div>","PeriodicalId":29780,"journal":{"name":"Renewable Energy Focus","volume":"51 ","pages":"Article 100634"},"PeriodicalIF":4.2,"publicationDate":"2024-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S175500842400098X/pdfft?md5=bb93c9ee62572cd8ecfa37f73c12e987&pid=1-s2.0-S175500842400098X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142229090","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
Enabling sustainable energy sharing and tracking for rural energy communities in emerging economies 促进新兴经济体农村能源社区的可持续能源共享和跟踪
IF 4.2
Renewable Energy Focus Pub Date : 2024-09-11 DOI: 10.1016/j.ref.2024.100633
Bokolo Anthony Jnr
{"title":"Enabling sustainable energy sharing and tracking for rural energy communities in emerging economies","authors":"Bokolo Anthony Jnr","doi":"10.1016/j.ref.2024.100633","DOIUrl":"10.1016/j.ref.2024.100633","url":null,"abstract":"<div><p>Presently Rural Energy Communities (REC) are faced with challenges such as the inefficient distribution of energy from Renewable Energy Sources (RES), unfair pricing, and the inclusion of prosumers into the electricity market. Therefore, this article proposed an approach that employed enabling technologies such as Distributed Ledger Technologies (DLT), self-enforcing smart contracts-enabled Internet of Things (IoT), and Artificial Intelligence (AI) for sustainable energy sharing and tracking in REC. Additionally, a model is proposed based on key factors that influence the adoption of enabling technologies in REC. For the methodology qualitative data is collected from secondary sources and descriptive analysis is employed to present the key findings. Key findings from this study contributes to develop a decarbonized, decentralized, and digitized energy management approach to support the sustainability of REC. The deployment of AI can facilitate prediction short-term energy planning for RES production and consumption based on real-time data from IoT devices. More importantly, findings from this study presents use case scenarios of energy sharing and tracking, and green electric vehicle charging in REC suggesting that DLT based smart contracts, IoT, and AI offers an effective approach to accelerate the sharing and tracking of RES in REC. Besides, DLT and smart contracts enables real-time electricity consumption monitoring, energy trading management, and pricing.</p></div>","PeriodicalId":29780,"journal":{"name":"Renewable Energy Focus","volume":"51 ","pages":"Article 100633"},"PeriodicalIF":4.2,"publicationDate":"2024-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1755008424000978/pdfft?md5=30c7903daf10bf6fe50939b2b695f25c&pid=1-s2.0-S1755008424000978-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142172668","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
Coupled partition and configuration for cohesive and self-sufficient virtual microgrids 耦合分区和配置,实现内聚和自给自足的虚拟微电网
IF 4.2
Renewable Energy Focus Pub Date : 2024-09-07 DOI: 10.1016/j.ref.2024.100632
Lechuan Piao , Fei Xue , Shaofeng Lu , Lin Jiang , Xiaoliang Wang , Qigang Wu
{"title":"Coupled partition and configuration for cohesive and self-sufficient virtual microgrids","authors":"Lechuan Piao ,&nbsp;Fei Xue ,&nbsp;Shaofeng Lu ,&nbsp;Lin Jiang ,&nbsp;Xiaoliang Wang ,&nbsp;Qigang Wu","doi":"10.1016/j.ref.2024.100632","DOIUrl":"10.1016/j.ref.2024.100632","url":null,"abstract":"<div><p>Active Distribution Network shows promise in operating and controlling distributed generations. Based on ADN structural and electrical differences, ADN could be partitioned to reveal innate heterogeneity for better control. Virtual Microgrid works as such a partition mode that each VM serves both as a part of ADN and as an individual operating agent. To identify VM boundaries, previous research utilized community detection methods and then configured ADN based on stationary partition. In this paper, VM partition and configuration are simultaneously determined in the proposed Coupled-Configuration-Partition of Active Planning. Also, a new definition of electrical edge betweenness is proposed to depict interaction among power system buses to improve the partition algorithm. Based on this proposal, ADN is planned to be cohesive in Net-ability, Flexibility Supply Index, and Capacity Fitness, in the meantime to minimize the cost in a multi-objective optimization, iteratively in Genetic Algorithm to reach Pareto Front. Case studies are designed to denote the benefits of the proposed Coupled-Configuration-Partition of Active Planning in modularity and system cohesion intensity.</p></div>","PeriodicalId":29780,"journal":{"name":"Renewable Energy Focus","volume":"51 ","pages":"Article 100632"},"PeriodicalIF":4.2,"publicationDate":"2024-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142167989","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Efficient islanding detection in hybrid Microgrids: The hybrid approach integrating ROCPAD and IB-RPV 混合微电网中的高效孤岛检测:集成 ROCPAD 和 IB-RPV 的混合方法
IF 4.2
Renewable Energy Focus Pub Date : 2024-09-05 DOI: 10.1016/j.ref.2024.100629
Mangesh S. Kulkarni , Sachin Mishra , Sureshkumar Sudabattula , Naveen Kumar Sharma , Vinay Kumar Jadoun
{"title":"Efficient islanding detection in hybrid Microgrids: The hybrid approach integrating ROCPAD and IB-RPV","authors":"Mangesh S. Kulkarni ,&nbsp;Sachin Mishra ,&nbsp;Sureshkumar Sudabattula ,&nbsp;Naveen Kumar Sharma ,&nbsp;Vinay Kumar Jadoun","doi":"10.1016/j.ref.2024.100629","DOIUrl":"10.1016/j.ref.2024.100629","url":null,"abstract":"<div><p>In light of the growing integration of renewable energy sources (RES) into power networks, this study presents a new hybrid islanding detection method (IDM) designed to improve the islanding detection efficiency of hybrid MGs. The proposed hybrid IDM combines the strengths of two existing islanding detection approaches: The Rate of Change of Phase Angle Difference (ROCPAD) and the Intermittent-Bilateral Reactive Power Variation (IB-RPV). By combining these two techniques, the hybrid strategy uses their complementary qualities, minimizing the drawbacks of each method and improving detection accuracy overall. With analyzed performance, the suggested hybrid IDM’s compatibility with IEEE 1547 standards shows it complies with industry standards. Comparative performance analysis of the proposed IDM with existing IDM shows improved islanding detection accuracy, fast detection of islanding events, and no nuisance tripping. The method is noteworthy for its zero non-detection zone (NDZ) and negligible impact on power quality. The proposed hybrid IDM suits Hybrid Microgrids (HMG) with inverter-based Distributed Generation (DG).</p></div>","PeriodicalId":29780,"journal":{"name":"Renewable Energy Focus","volume":"51 ","pages":"Article 100629"},"PeriodicalIF":4.2,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1755008424000930/pdfft?md5=6d3dc4dbfce7a302c88078e2051e585d&pid=1-s2.0-S1755008424000930-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142162699","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
Experimental investigation and performance evaluation of an asymmetrical Eleven-Level Multilevel Inverter (ELMLI) with reduced switching count and voltage stress 减少开关次数和电压应力的非对称十一电平多电平逆变器 (ELMLI) 的实验研究和性能评估
IF 4.2
Renewable Energy Focus Pub Date : 2024-09-04 DOI: 10.1016/j.ref.2024.100598
Shahbaz Ahmad , Mohd Tariq , Vimlesh Verma
{"title":"Experimental investigation and performance evaluation of an asymmetrical Eleven-Level Multilevel Inverter (ELMLI) with reduced switching count and voltage stress","authors":"Shahbaz Ahmad ,&nbsp;Mohd Tariq ,&nbsp;Vimlesh Verma","doi":"10.1016/j.ref.2024.100598","DOIUrl":"10.1016/j.ref.2024.100598","url":null,"abstract":"<div><p>In this study an eleven-level multilevel inverter (ELMLI) with reduced switching requirements and lower voltage stress is introduced. The architecture comprises of eight semiconductor devices and only one capacitor, yielding a voltage boosting output of 1.67. Gate pulses for the inverter circuit are provided through a straight forward nearest level control (NLC) method. To highlight the superiority of this topology, a assessment is conducted with recent designs concerning the numbers of semiconductor devices, diodes, sources, and capacitors employed. The Total Harmonic Distortion (THD) is measured at 7.61%, which nearly meets acceptable limits. Subsequently, the suggested circuit is simulated operationally and functionally using software tools such as PLECS and MATLAB (SIMULINK). Experimental validation is also carried out under various loading conditions using the setup.</p></div>","PeriodicalId":29780,"journal":{"name":"Renewable Energy Focus","volume":"51 ","pages":"Article 100598"},"PeriodicalIF":4.2,"publicationDate":"2024-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142243751","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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