Results 31 to 40 of about 5,420 (154)
Gaoya dianqi, 2023 针对风电波动性、间歇性和难预测等严重冲击电网安全运行问题，提出一种利用变分模态分解（VMD）和自适应权重粒子群算法（APSO）获得风电场混合储能系统容量优化配置方法。首先，基于典型日风电输出功率，利用低通滤波法得到满足标准的目标并网功率并获得储能系统参考功率。然后，将其通过VMD分解为高、低频功率，由超级电容器和蓄电池承担。最后，考虑储能充放电功率与荷电状态（SOC）等约束，建立以系统年综合成本最小为目标的容量优化配置模型，采用APSO算法求解并分析最优分界点和对应的储能配置方案 ...
赵峰, 张帆, 陈小强, 王英
doaj
Analysis of Key Technologies and Development Prospects for Renewable Energy-Powered Water Electrolysis for Hydrogen Production Based on Artificial Intelligence [PDF]
ObjectivesAs an essential sustainable energy technology, renewable energy-powered water electrolysis for hydrogen production has attracted widespread attention due to its advantages in environmental protection and low carbon emissions.
YANG Bo, ZHANG Zijian
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Low-Carbon and Economic Synergy Optimization Configuration for Microgrid With Hydrogen Energy Storage [PDF]
ObjectivesTraditional electric energy storage has limitations in scale, duration, and environmental impact.Moreover, the renewable energy absorption capacity in the microgrid is low, and low-carbon and economy cannot be taken into account in planning. In
GUO Peixuan +5 more
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Wind Power, Hydropower and Thermal Power Combined Low-Carbon Maintenance Optimization Based on Continuous Hidden Markov Model [PDF]
, 2023 [Introduction] In the context of the new power system, low-carbon maintenance of wind turbines and coordinated maintenance with conventional wind turbine generator systems (WTGS) need to be solved urgently.
Min XIE +4 more
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Ultrasound in Obstetrics &Gynecology, Volume 65, Issue 5, Page 624-632, May 2025.ABSTRACT Objectives Placental insufficiency contributes to many obstetric pathologies, but there is no bedside clinical tool to evaluate placental perfusion. We have developed a method to acquire multiple three‐dimensional (3D) power Doppler (PD) ultrasound (US) volumes of placental vasculature, with infrared camera tracking of the precise spatial ...
A. Xue +5 more
wiley +1 more source
Grid-Connected Power Fluctuation Suppression and Energy Storage Optimization Configuration of Photovoltaic-Energy Storage System [PDF]
ObjectivesBattery energy storage system is one of the effective means to ensure the reliability of photovoltaic (PV) power generation system and improve the utilization rate of PV power generation.
JIANG Menghao +4 more
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Gaoya dianqi, 2021 配电变压器进行短路冲击试验过程中需要较大的瞬时能量,若采用专用线路以及发电机组的冲击方式需要同步开关、调节阻抗、发电机以及专用线路等,不仅现场可操作性低,同时存在影响系统稳定性的风险。为解决上述配电变压器短路冲击中存在的问题,文中基于变压器、储能电容器与电力电子变换装置,提出了配电变压器储能式短路冲击试验方法,并在此基础上设计了一套配电变压器储能式短路冲击试验系统,实现了短路冲击试验状态量的快速调节,并通过同类型储能冲击装置的串并联完成冲击容量的提升。通过仿真以及现场试验 ...
牛勃 +5 more
doaj
基于CNN-Bi-LSTM功率预测的海岛综合能源系统优化调度 [PDF]
, 2023 合理构建海岛综合能源系统对沿海能源清洁化转型意义重大，其优化调度更是实现海岛能源供需平衡的有效途径。为此，提出了一种考虑风光功率预测的海岛综合能源系统优化调度方法。首先，搭建包含氢能设备、海水源热泵、海水淡化装置、波浪能发电装置等新型能源转换设备的系统模型。其次，海上气候多变会导致新能源发电不稳定，故采用含环境变量重要性排序的一维卷积神经网络和双向长短时记忆神经网络（convolutional neural network-bi-directional long short-term memory ...
刘继彦 +4 more
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Impact on species' online attention when named after celebrities
Conservation Biology, Volume 38, Issue 2, April 2024.Abstract Celebrities can generate substantial attention and influence public interest in species. Using a large‐scale examination of publicly available data, we assessed whether species across 6 taxonomic groups received more page views on Wikipedia when the species was named after a celebrity than when it was not.
Katie Blake +3 more
wiley +1 more source
Research on Combustion Stability of a 600 MW Subcritical Power Unit Under Long-Term Deep Peak Shaving [PDF]
Deep peak shaving of thermal power units is a crucial technique for integrating new energy sources and altering energy consumption patterns. A 600 MW sub-critical coal-fired unit was chosen as the subject of research, and long-term operation tests were ...
FAN Wei +3 more
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