Results 11 to 20 of about 219,422 (134)
智能科学与技术学报, 2020 由大量分布式能源、储能设备以及动态负荷集成的复杂微电网，具有出力-负荷双随机特性。旨在结合随机博弈优化理论，讨论综合能源微电网中的各种决策和优化控制问题。首先，分析了未来复杂微电网的特点和体系结构；其次，重点阐述了综合能源微电网中多种决策群体的博弈形式和交互方式；然后，基于微电网不同的拓扑结构和群体的随机特性，归纳了影响网络博弈的主要因素；最后，给出一种随机博弈优化策略及其控制方法架构。通过深入探讨不同形式下的微电网同步、稳定性及博弈优化等关键问题，为进一步促进清洁能源消纳和供需互动 ...
周洪, 要若天, 余昶, 雷忠诚
doaj +1 more source
, 2012 为了稳定分布式能源微网电压,文章改进了分布式能源微网的拓扑结构,设计了三相独立可控的双向变流器,使其成为影响微网电压稳定的唯一主要因素。根据分布式能源微网电压和功率关系,应用低压线路的下垂特性,提出基于电压环、电流环、功率环等的多反馈控制器,同时也研究了控制器参数的设定方法。与传统控制方法比较结果以及多工况下的实验结果验证了双向变流器能稳定地控制微网电压,具有良好的稳态和动态性能。理论分析和实验结果证明了多反馈控制策略有效、可行 ...
张先勇, 廖志帆, 周龙华, 舒杰
core +5 more sources
, 2014 针对目前微电网组成及控制复杂，快速实现及扩容难的现状，提出了一种．Y-程实用的模块化分布式光伏发电独立微电网结构，以实现快速组网、安全及高效运行。对该独立光伏微电网的运行原理、关键电力电子装置以及模块间调度控制策略等进行了分析设计。基于该拓扑结构，在海岛进行了光／柴／蓄独立光伏微电网实证研究，实现了海岛负荷不间断供电运行。进行了海岛光伏微电网运行状态的测试分析，试验结果验证了该微电网架构的有效性 ...
张先勇 +4 more
core +5 more sources
Journal of Diabetes, Volume 15, Issue 10, Page 890-899, October 2023., 2023 Highlights Patients with type 2 diabetes (T2D) are prone to developing chronic diabetes‐related complications at the microvascular and macrovascular levels. The Computerized Nailfold Video‐Capillaroscopy (CNVC) provides specific information on both quantitative and qualitative characteristics of microvasculature at the level of fingers.
Giuseppe Lisco, Vincenzo Triggiani
wiley +1 more source
Influencing the influencers: Regulating the morality of online conduct in Indonesia
Policy &Internet, Volume 14, Issue 3, Page 574-596, September 2022., 2022 Abstract Indonesia boasts a lively influencer scene. These influencers promote various products and messages, including political messages, to their followers for commercial gain, and have been particularly active during the coronavirus disease 2019 (COVID‐19) pandemic.
Petra Mahy +2 more
wiley +1 more source
Journal of Mathematics, Volume 2021, Issue 1, 2021., 2021 Fractional order research has interdisciplinary characteristics and has been widely used in the field of natural sciences. Therefore, fractional order research has become an important area of concern for scholars. This paper used 2854 literatures collected from China National Knowledge Infrastructure (CNKI) database from 2001 to 2020 as the data source
Yunfei Yang +4 more
wiley +1 more source
, 2012 在分析当前微电网发展现状的基础上,提出一种基于多级结构原理构建的独立微电网系统,可应用于无大电网覆盖的海岛、沙漠、偏远山区等地区.论述这种系统的网络拓扑结构及其特点,以某海岛为对象,构建了一个三级风/光/柴/蓄兆瓦级独立微电网系统,阐述该多级独立微电网的调度控制策略中关于多级控制方法、能量调度控制流程及多目标协调控制的关键技术,并应用实时监控与数据采集(SCADA)及调配一体化技术 ...
吴志锋, 张先勇, 舒杰
core +5 more sources
, 2016 微电网已成为智能电网建设中的重要组成部分,是可再生能源等分布式电源接入电网的有效方式。微电网电能质量客观科学的综合评价对于微电网的运营建设具有重要的现实意义和指导价值。基于微电网中电能质量的特点进行分析,提出了一种新的适合于微电网电能质量的评价方法。首先,从电压指标、电流指标和频率指标,结合对比大电网,对微电网电能质量各单项指标进行了详细阐述,指出其特点,并根据相关标准,确定电能质量各单项指标阈值。进一步,借鉴模糊评价思想,根据电能质量指标特点,采用柯西分布,提出了一种最优隶属度方法 ...
徐冬冬 +4 more
core +4 more sources
Rare Metals, Volume 45, Issue 8, August 2026.ABSTRACT The regeneration of osteoporotic bone defects is severely hampered by compromised endogenous healing capacity, demanding advanced strategies that actively orchestrate pro‐osteogenic microenvironments. Here, we report an integrated, self‐powered osteo‐regenerative system that uniquely leverages a dual ultrasound‐responsive piezoelectric ...
Bing Tan +6 more
wiley +1 more source
Rare Metals, Volume 45, Issue 8, August 2026.ABSTRACT Lithium–sulfur (Li–S) batteries are promising for next‐generation high‐energy‐storage systems but are hindered by polysulfide shuttle, sluggish kinetics, and volume expansion. Conventional carbon hosts struggle to simultaneously anchor and convert polysulfides efficiently.
Ling Chen, Peng Xu, Jiaojing Shao
wiley +1 more source