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Boost industrial energy efficiency, Leading the way for industrial development 提升工业能效，引领工业发展
iEnergy Pub Date : 2023-09-01 DOI: 10.23919/IEN.2023.0025
Hao Wu;Xiaobao Zhang
{"title":"Boost industrial energy efficiency, Leading the way for industrial development","authors":"Hao Wu;Xiaobao Zhang","doi":"10.23919/IEN.2023.0025","DOIUrl":"https://doi.org/10.23919/IEN.2023.0025","url":null,"abstract":"Recently, the Industrial Energy Efficiency Conference 2023 was held at Beijing West Suburb Hotel(see the figure). Zhi Hui, the secretary-general of the China Association of Industrial Energy Saving and Clean Production, pointed out at the conference that as China enters a new stage of high-quality development, industrial energy saving and efficiency improvement needs to shift to low-carbon energy, systematic whole-process energy conservation, and refined management.","PeriodicalId":100648,"journal":{"name":"iEnergy","volume":"2 3","pages":"157-158"},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71903427","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
Physics-informed transient stability assessment of microgrids 微电网的物理瞬态稳定性评估
iEnergy Pub Date : 2023-09-01 DOI: 10.23919/IEN.2023.0022
Priyanka Mishra;Peng Zhang
{"title":"Physics-informed transient stability assessment of microgrids","authors":"Priyanka Mishra;Peng Zhang","doi":"10.23919/IEN.2023.0022","DOIUrl":"https://doi.org/10.23919/IEN.2023.0022","url":null,"abstract":"With the integration of a voltage source converter (VSC), having variable internal voltages and source impedance, in a microgrid with high resistance to reactance ratio of short lines, angle-based transient stability techniques may find limitations. Under such a situation, the Lyapunov function can be a viable option for transient stability assessment (TSA) of such a VSC-interfaced microgrid. However, the determination of the Lyapunov function with the classical method is very challenging for a microgrid with converter controller dynamics. To overcome such challenges, this paper develops a physics-informed, Lyapunov function-based TSA framework for VSC-interfaced microgrids. The method uses the physics involved and the initial and boundary conditions of the system in learning the Lyapunov functions. This method is tested and validated under faults, droop-coefficient changes, generator outages, and load shedding on a small grid-connected microgrid and the CIGRE microgrid.","PeriodicalId":100648,"journal":{"name":"iEnergy","volume":"2 3","pages":"231-239"},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71903501","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
Parallel arrangement of MOSFETs, effective suppression of crosstalk: A new gate driver topology mosfet的平行排列，有效抑制串扰:一种新的栅极驱动器拓扑
iEnergy Pub Date : 2023-09-01 DOI: 10.23919/IEN.2023.0032
Jinpeng Wu
{"title":"Parallel arrangement of MOSFETs, effective suppression of crosstalk: A new gate driver topology","authors":"Jinpeng Wu","doi":"10.23919/IEN.2023.0032","DOIUrl":"https://doi.org/10.23919/IEN.2023.0032","url":null,"abstract":"With extraordinary advantages including fast switching transient processes, high operational temperature and great thermal conduction, new semiconductor materials provide a fascinating prospect for the future development of power electronic equipment. However, several challenges must be addressed before the power electronics goes comprehensive and mature. One such challenge faced by SiC MOSFET is the crosstalk effect, which refers to the current with a significant magnitude injecting into the gate circuit, when the devices meet high drain-source voltage in the fast-switching process. Although negative gate voltage is considered to be a rule of thumb to cover the problem, we still lack solutions for parallel SiC MOSFETs.","PeriodicalId":100648,"journal":{"name":"iEnergy","volume":"2 3","pages":"163-163"},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71903494","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
Current and future trends in electrification of road and air transportation 公路和航空运输电气化的当前和未来趋势
iEnergy Pub Date : 2023-09-01 DOI: 10.23919/IEN.2023.0027
Kaushik Rajashekara
{"title":"Current and future trends in electrification of road and air transportation","authors":"Kaushik Rajashekara","doi":"10.23919/IEN.2023.0027","DOIUrl":"https://doi.org/10.23919/IEN.2023.0027","url":null,"abstract":"Transportation accounts for about 20% of the global greenhouse gas emissions, which is a major source of greenhouse gases. Road transportation accounts for three quarters of this share, while aviation and maritime transportation each account for 11% (see Figure 1). For improving the air quality and thus to achieve long term environmental sustainability, transportation electrification is an important area with the electricity used being generated from renewable energy sources. In 2022, there were 26 million electric cars on globally on the roads. Half of all electric vehicles (EVs) on the road were in China, according to the International Energy Agency's latest analysis of EV trends. In order to achieve net zero emissions from road vehicles by 2050, nearly 2 billion vehicles have to be either battery EVs or fuel cell based vehicles.","PeriodicalId":100648,"journal":{"name":"iEnergy","volume":"2 3","pages":"159-160"},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71903504","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
Impact of climate simulation resolutions on future energy system reliability assessment: A Texas case study 气候模拟决议对未来能源系统可靠性评估的影响：德克萨斯州案例研究
iEnergy Pub Date : 2023-08-09 DOI: 10.23919/IEN.2023.0014
Xiangtian Zheng;Le Xie;Kiyeob Lee;Dan Fu;Jiahan Wu
{"title":"Impact of climate simulation resolutions on future energy system reliability assessment: A Texas case study","authors":"Xiangtian Zheng;Le Xie;Kiyeob Lee;Dan Fu;Jiahan Wu","doi":"10.23919/IEN.2023.0014","DOIUrl":"https://doi.org/10.23919/IEN.2023.0014","url":null,"abstract":"The reliability of energy systems is strongly influenced by the prevailing climate conditions. With the increasing prevalence of renewable energy sources, the interdependence between energy and climate systems has become even stronger. This study examines the impact of different spatial resolutions in climate modeling on energy grid reliability assessment, with the Texas interconnection between 2033 and 2043 serving as a pilot case study. Our preliminary findings indicate that while low-resolution climate simulations can provide a rough estimate of system reliability, high-resolution simulations can provide more informative assessment of low-adequacy extreme events. Furthermore, both high- and low-resolution assessments suggest the need to prepare for severe blackout events in winter due to extremely low temperatures.","PeriodicalId":100648,"journal":{"name":"iEnergy","volume":"2 3","pages":"222-230"},"PeriodicalIF":0.0,"publicationDate":"2023-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71903500","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
Transit cost effectively to a secure decarbonized energy system 经济高效地运输到安全的脱碳能源系统
iEnergy Pub Date : 2023-06-01 DOI: 10.23919/IEN.2023.0020
Qingyu Xu;Jing Dai
{"title":"Transit cost effectively to a secure decarbonized energy system","authors":"Qingyu Xu;Jing Dai","doi":"10.23919/IEN.2023.0020","DOIUrl":"https://doi.org/10.23919/IEN.2023.0020","url":null,"abstract":"Numerous countries worldwide have committed to the decarbonization of their economies. These countries include both developed nations such as the United States, United Kingdom, and European Union member states, as well as recently developed nations like China. A commonly adopted strategy among these countries involves initiating the decar-bonization process within the power sector. This adoption is primarily motivated by two factors: first, the existence of well-established low-carbon power supply technologies, such as wind and solar PV second, the potential for extensive electrification of fossil fuel energy demand through rapidly advancing technologies, such as electric vehicles and heat pumps. Thus, decarbonizing the power sector represents the most logical starting point in the journey toward a low-carbon future.","PeriodicalId":100648,"journal":{"name":"iEnergy","volume":"2 2","pages":"89-90"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/iel7/9732629/10185633/10185637.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50320098","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
Increasing the utilization efficiency of electrical power energy 提高电力能源利用效率
iEnergy Pub Date : 2023-06-01 DOI: 10.23919/IEN.2023.0021
{"title":"Increasing the utilization efficiency of electrical power energy","authors":"","doi":"10.23919/IEN.2023.0021","DOIUrl":"https://doi.org/10.23919/IEN.2023.0021","url":null,"abstract":"The second issue of iEnergy in 2023, which published ten papers, including two news and views, two highlights, one letter, three review articles, and two original research articles.","PeriodicalId":100648,"journal":{"name":"iEnergy","volume":"2 2","pages":"85-86"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/iel7/9732629/10185633/10185927.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50320096","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 National Energy Administration organized the release of the “Blue Book on the Development of New Power Systems” 国家能源局组织发布《新型电力系统发展蓝皮书》
iEnergy Pub Date : 2023-06-01 DOI: 10.23919/IEN.2023.0017
{"title":"The National Energy Administration organized the release of the “Blue Book on the Development of New Power Systems”","authors":"","doi":"10.23919/IEN.2023.0017","DOIUrl":"https://doi.org/10.23919/IEN.2023.0017","url":null,"abstract":"On June 2, 2023, the China Electric Power Planning & Engineering Institute hosted the launch of the “New Power System Development Blue Book” (hereinafter referred to as the “Blue Book”) in Beijing sponsored by the National Energy Administration. The “Blue Book” comprehen-sivelyexpounds the development concept and connotative characteristics of the new power system, formulates a “three-step” development path, and proposes the overall structure and key tasks of building a new power system. Yu Bing, a member of a group and deputy director of the National Energy Administration, delivered a speech at the meet. In addition, Huang Xuenong, the supervisory director of the National Energy Administration, released the “Blue Book.”","PeriodicalId":100648,"journal":{"name":"iEnergy","volume":"2 2","pages":"87-88"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/iel7/9732629/10185633/10185636.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50320097","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
Review of demand-side energy sharing and collective self-consumption schemes in future power systems 未来电力系统需求侧能源共享和集体自耗方案综述
iEnergy Pub Date : 2023-06-01 DOI: 10.23919/IEN.2023.0006
Jizhong Zhu;Shenglin Li;Alberto Borghetti;Jing Lan;Hong Li;Taiheng Guo
{"title":"Review of demand-side energy sharing and collective self-consumption schemes in future power systems","authors":"Jizhong Zhu;Shenglin Li;Alberto Borghetti;Jing Lan;Hong Li;Taiheng Guo","doi":"10.23919/IEN.2023.0006","DOIUrl":"https://doi.org/10.23919/IEN.2023.0006","url":null,"abstract":"The widespread use of distributed energy sources provides exciting potential for demand-side energy sharing and collective self-consumption schemes. Demand-side energy sharing and collective self-consumption systems are committed to coordinating the operation of distributed generation, energy storage, and load demand. Recently, with the development of Internet technology, sharing economy is rapidly penetrating various fields. The application of sharing economy in the energy sector enables more and more end-users to participate in energy transactions. However, the deployment of energy sharing technologies poses many challenges. This paper comprehensively reviews recent developments in demand-side energy sharing and collective self-consumption schemes. The definition and classification of sharing economy are presented, with a focus on the applications in the energy sector: virtual power plants, peer-to-peer energy trading, shared energy storage, and microgrid energy sharing cloud. Challenges and future research directions are thoroughly discussed.","PeriodicalId":100648,"journal":{"name":"iEnergy","volume":"2 2","pages":"119-132"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/iel7/9732629/10185633/10185639.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50319971","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: 2
The development of solid oxide co-electrolysis of H2O and CO2 on large-size cells and stacks H2O和CO2在大型电池和电池堆上的固体氧化物共电解研究进展
iEnergy Pub Date : 2023-06-01 DOI: 10.23919/IEN.2023.0007
Jingjing Liang;Jianzhong Zhu;Minfang Han;Xiufu Hua;Duruo Li;Meng Ni
{"title":"The development of solid oxide co-electrolysis of H2O and CO2 on large-size cells and stacks","authors":"Jingjing Liang;Jianzhong Zhu;Minfang Han;Xiufu Hua;Duruo Li;Meng Ni","doi":"10.23919/IEN.2023.0007","DOIUrl":"https://doi.org/10.23919/IEN.2023.0007","url":null,"abstract":"In the context of carbon neutrality, conversion of CO\u0000<inf>2</inf>\u0000 into CO is an effective way for negative carbon emission. Electrochemical reduction is a novel developed pathway, among which, solid oxide co-electrolysis technology is promising for its high efficiency and low electricity demand. Researches concerning the large-size cell and stack of application level are important. This review, targeting at the not yet fully understood reaction mechanism and the most concerning issue of durability, details the reported factors playing important roles in the reaction mechanism and durability of co-electrolysis. It is found that the operating conditions such as inlet mixtures and applied current significantly affect the reaction mechanism of co-electrolysis and the experiments on button cells can not reflect the real reaction mechanism on industrial-size cells. Besides, the durability test of large-size single cells and stacks at high current with high conversion rate and the potential of solid oxide co-electrolysis combing with intermittent renewable energy are also reviewed and demonstrated. Finally, an outlook for future exploration is also offered.","PeriodicalId":100648,"journal":{"name":"iEnergy","volume":"2 2","pages":"109-118"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/iel7/9732629/10185633/10185640.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50319970","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
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