Results 51 to 60 of about 9,073 (119)
ABSTRACT With the rapid development of the energy storage industry, aqueous zinc‐ion batteries (AZIBs) have attracted considerable attention in the field of energy storage because of their inherent advantages, thereby emerging as a promising research direction with significant potential.
Lingjiao Fu +8 more
wiley +1 more source
含智慧社区能量枢纽配电网三相不平衡动态潮流模型预测控制方法 [PDF]
分布式能源具有分散性及不确定性,直接接入配电网将对潮流产生较大影响,增加配电网的调控难度。如何在兼顾系统经济、环保、安全运行的前提下,提高配电网对分布式能源的消纳和主动管理控制水平成为研究的重点。针对多能源接入配电网对配电网潮流及优化控制问题,提出一种含智慧社区多能枢纽的三相不平衡配电网动态潮流分析方法。根据智慧社区分布式风电、光伏出力及负荷的波动,考虑社区冷热电联供、电动汽车、储能设备等的技术经济特性,通过能源集线器实现社区与配电网的能量交互,并利用模型预测控制方法对配电网进行在线滚动潮流计算 ...
马瑞 +5 more
doaj +1 more source
ABSTRACT Organic‐inorganic hybrid perovskites (OIHPs) with white‐light emission have significant potential in solid‐state lighting and display due to the designable structure and excellent luminescent properties. However, OIHPs are prone to damage during bending due to the brittleness of crystals, which limits their application in the field of flexible
Jinyu Xu +8 more
wiley +1 more source
ABSTRACT Regulating negative parameters of metacomposites is mainly limited by their unclear mechanisms, which affects their practical applications in new sensing, communication, electromagnetic (EM) protection and other fields. This work proposes a dual‐functional competitive design strategy based on the waste corncob‐derived carbon/polyaniline ...
Qiuyun Yang +4 more
wiley +1 more source
±1100 kV特高压直流工程换流变最优短路阻抗 [PDF]
换流变压器是直流输电系统中最重要的设备之一,短路阻抗是确定整个直流系统成套设计方案的最重要输入条件,对直流主回路参数、短路电流、绝缘配合、无功配置、设备制造、大件运输、技术经济性等具有决定性作用。定量分析了±1100 kV特高压直流工程中以上因素对阻抗选择的影响,并提出了全寿命周期成本分析方法。基于此分析,以±1100 kV昌吉—古泉特高压直流工程为例,提出了该工程的最优阻抗推荐值,并应用于实际工程。
郭贤珊, 付颖
doaj +1 more source
AVCLNet: Multimodal Multispeaker Tracking Network Using Audio‐Visual Contrastive Learning
ABSTRACT Audio‐visual speaker tracking aims to determine the locations of multiple speakers in the scene by leveraging signals captured from multisensor platforms. Multimodal fusion methods can improve both the accuracy and robustness of speaker tracking.
Yihan Li +5 more
wiley +1 more source
ABSTRACT The proliferation of ultra‐high voltage direct current (UHVDC) transmission technology has heightened regulatory oversight of electromagnetic fields around buildings. In conventional direct current (DC) line design, the presence of residential areas was typically not taken into account.
Tahan Wang, Li Xie, Kun He, Jiayu Lu
wiley +1 more source
ABSTRACT The morphology and structure of electrodes play a pivotal role in determining the self‐healing performance and current‐carrying capacity of metallised biaxially oriented polypropylene (BOPP) films. An experimental setup replicating the industrial vacuum evaporation process and a custom‐designed self‐healing testing platform were specifically ...
Zhi‐Yuan Wu +6 more
wiley +1 more source
目前新能源集群电压分层控制研究主要针对接入交流电网的情况,由于孤岛系统的电压控制与交流大电网解耦,其优化控制的目标、对象和方式均与传统电网存在较大差异,故需要结合其特性,制定新的电压控制策略。本文对孤岛方式下新能源集群无功电压控制原理进行论述,设计了送出孤岛系统区域两级电压控制框架,提出了考虑换流站PQ运行区间约束的电压优化策略,在优化目标中综合考虑网损及换流站无功裕度。基于张北柔直示范工程未来规划拓扑的仿真算例表明,该策略可以在保持换流站母线电压在安全运行范围内的前提下 ...
吴林林, 徐曼, 刘辉, 张隽
doaj +1 more source
Integrated Learning‐Based Ageing Assessment of Silicone Rubber
ABSTRACT The surface ageing of silicone rubber composite insulators, widely used in power systems, poses significant challenges. This study integrates Fourier transform infrared (FTIR) spectroscopy with machine learning to evaluate ageing states and explore underlying mechanisms under various environmental conditions.
Xinzhe Yu +7 more
wiley +1 more source

