Results 91 to 100 of about 11,060 (164)
Gaoya dianqi“双碳”目标背景下，建设以电—氢—热多能流耦合的综合能源系统不仅可以解决新能源并网难的问题，也可以促进能源领域降碳减排。对于电—氢—热综合能源系统，以燃料电池与电解池为能源枢纽，实现电—氢—热的相互转换，进一步提高能源的梯级利用效率，增强电网调度灵活性。文中首先建立了一个基于不确定性分析与电价波动的电—氢—热综合能源系统，分析了不同能量消耗方式和电价波动对综合能源系统投资成本的影响；其次，研究了可再生能源的不确定性对系统“弃风、弃光”决策的影响机制。结果表明：综合能源系统可通过电—氢 ...
闫振靖 +6 more
doaj
Quantitative study on role of flexibility index of coal-fired power units in regulating wind and solar power generation [PDF]
Within the swift progression of renewable energy, particularly wind and solar power, enhancing the regulatory capacity of supporting power sources is crucial. This serves as a vital assurance for the development of new power systems.
Jinming FU +7 more
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全球能源互联网在当前“双碳”目标的背景下，中国大力提倡能源转型，可再生能源发展迅速，其反调峰增大了系统的调峰压力。抽水蓄能电站作为重要调峰资源，是解决上述问题的有效手段之一，综合量化评估其在大规模风光并网下的效能，是对抽蓄电站的建设投资、运营设计和经济优化等工作提供科学决策的前提。为此，首先分析实际系统运行中抽蓄电站效能发挥的典型场景，并根据抽蓄电站的特性从不同维度建立了电站效能评价指标。然后采用模糊综合评价法构建了一套综合效能量化评估体系，运用改进层次分析法-CRITIC法的综合赋权法对各层指标赋权 ...
李军徽 +7 more
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Comprehensive survey on computing-electricity collaboration: architecture, key technologies and prospects [PDF]
With the deepening of the digital economy and the advancement of “dual-carbon” targets, the integration of computing power and electric power, as two critical infrastructure systems, has been recognized as a pivotal paradigm for supporting the ...
FANG Zeru +7 more
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Gaoya dianqi在“双碳”目标下，电热氢综合能源系统的应用将成为能源高效利用、多能耦合发展以及清洁低碳转型的重点战略方向。结合当前电热氢综合能源系统的国内外研究现状，首先对系统建模部分进了归纳与总结，并建立了考虑系统电热特性、自身寿命衰减特性等特点的各设备数学模型，为后续相关方向的深入研究提供一定的参考。其次，对电热氢综合能源系统的容量规划问题展开研究，并分别从系统运行策略、目标函数与求解以及当前存在问题与创新方面展开详细分析。最后，对电热氢综合能源系统的未来创新与发展进行了展望。
袁晓冬 +6 more
doaj
Structural strength failure mechanism of X52 natural gas pipeline with corrosion defects under hydrogen-blended environment [PDF]
ObjectiveThis study aims to explore the structural strength deterioration mechanism of pipelines with corrosion defects in hydrogen-blended environments.MethodsBased on the experimental data, an analysis is made of the load bearing performance of X52 ...
Deqiang WANG +4 more
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Gaoya dianqi在电力物联网深化综合能源系统变革的背景下，物联网从技术层面为综合能源服务提供了新的驱动力，但对其面向更多元的能源生产与消费情景提出了更多要求。传统微网系统已经难以适应新形势下调节多能耦合，及精准预测调度的愿景。文中以综合能源系统为根基，提出面向电力物联网的综合能源微网框架。指出应用层面要实现经济优化调度、综合能源整体布局和能源交易。提出能源供应商面向市场的上、下两层迭代优化调度的新型策略。根据模型特点，上层是以综合能源供应商利润最大为目标函数的优化调度数学模型，采用MATLAB/CPLEX求解器求解 ...
王勉, 王敬华, 董克前
doaj
Study on Properties of Hydrophilic Modified Polypropylene Regular Filler by Melt Blending in Carbon Dioxide Capture Tower [PDF]
ObjectivesAt present, most amine based CO2 capture systems for flue gas use stainless steel filled towers. In order to significantly reduce the cost of filled towers, this paper proposes the use of polypropylene structured filler instead of high cost ...
DONG Wenfeng +7 more
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Gaoya dianqi为进一步提升综合能源系统运行经济性和低碳性，文中提出一种考虑源—荷灵活响应和新型降碳机制的孤岛综合能源系统低碳经济调度模型。首先，为提升经济性，文中基于供给侧余热锅炉、电转气设备和负荷侧综合需求响应特性，提出了一种供需灵活双响应机制，并设计出一种电热气负荷综合满意度机制，准确评估系统内负荷满意度水平。其次，为保证低碳性，提出一种风—光—碳捕集结合的新型捕集运行模式，引导风、光参与碳捕集运行。同时引入阶梯型碳交易机制，结合新型碳捕集运行模式，构建低碳特性模型，实现孤岛综合能源系统经济低碳运行。最后 ...
贺代文, 张新, 姜金朋, 张继红
doaj
Experimental Study on Sintering and Melting Characteristics and Mineral Transformation Law of Synthetic Biomass Ash [PDF]
ObjectiveThe coking problem of biomass in fluidized bed combustion process was studied, and the influence of potassium salt form and content on the sintering and melting characteristics of biomass ash was analyzed.MethodsThe sintering and melting ...
LI Jianbo, LUO Yongjun, ZHU Hongyan
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