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Multi-Power Coordinated Optimization Operation Strategy Considering Conditional Value at Risk [PDF]
, 2023 In order to achieve carbon peaking and carbon neutrality goals, the power system presents the trend of extensive access of multiple power sources. A multi-power coordination bi-level optimal operation model was proposed.
FENG Caoyi +7 more
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Study on Uncertainty Operation Optimization of Virtual Power Plant Based on Intelligent Prediction Model Under Climate Change [PDF]
, 2023 In order to effectively cope with climate change and promote the healthy development of virtual power plant, an uncertainty operation optimization model of virtual power plant (VPP) adapted to climate change was proposed based on the providing regional ...
DU Jiao +4 more
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, 2023 大规模分布式光伏的接入将对配电网的安全经济运行带来重要影响，分布式光伏发电的时效性变化和光伏装机的区域性差异为有效进行新能源消纳带来挑战。为此，通过提出配电网储能与直流线路协同规划架构，针对光伏随时间波动的不平衡，使用储能装置进行电能存储，实现电力的削峰填谷。针对区域光伏分布不均，通过建设直流线路以实现区域间能量互济，消纳光伏溢出区域的发电量。进一步，以投资成本、维护成本和电能费用构成的年综合费用最小为目标，构建储能及直流线路选址定容的交直流配电网优化规划问题，实现区域内和区域间光伏溢出功率的高质量 ...
刘俊杉 +5 more
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Resilience Enhancement Strategy of Combined Heat and Power-Virtual Power Plant Considering Thermal Inertia [PDF]
, 2023 The increasingly frequent extreme weather has a more serious impact on the electro-thermal coupling system. Resilience is a core indicator that measures the system’s ability to withstand extreme events, reduce the impact of failures,and recover quickly ...
FANG Fang +3 more
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Research on Energy Storage Planning Method Considering the Dual Constraints of Peak Shaving and Frequency Modulation [PDF]
, 2023 [Introduction] In the process of building a new power system, renewable energy will maintain a high-speed development trend. Along with large-scale grid connection of renewable energy sources such as wind energy and photovoltaic energy, the randomness ...
Lei CHEN, Ting WEN
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全球能源互联网, 2021 电动汽车等新基建的持续高速发展为电力系统带来新的机遇和挑战，也为传统电力系统负荷预测带来新命题，研究电动汽车负荷建模具有重要的现实意义。文章在分析电动汽车历史数据的基础上，提出一种基于充电功率场景模型的电动汽车负荷建模方法，基于充电关键变量，建模考虑充放电各关键变量随机性和相关性的联合分布模型，并通过吉布斯采样生成电动汽车功率场景，聚合得到电动汽车负荷曲线。最后，采用电动汽车实际充电功率数据验证了文章所提方法的有效性。
杨书强 +4 more
doaj +1 more source
考虑数据中心和分布式能源接入的配电网双层规划方法 [PDF]
, 2023 在大数据时代背景下，社会对数据处理需求的增加导致电网中数据中心的负荷不断增长，若按数据中心原始负荷接入电网，会对配电网运行产生较大的负担。而数据中心的批处理负载与配备的储能设备决定了其可以作为灵活性负荷接入电网参与需求响应。通过选取包含数据中心、常规负荷与光伏机组的配电网作为研究对象，采用双层规划方法建立了考虑数据中心运行灵活性和分布式光伏接入的配电网规划模型，上层模型以最小化配电网系统的规划与运行成本为目标，对配电网线路以及其内部的光伏机组与燃气轮机容量进行规划 ...
徐衍会 +4 more
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面向并联环流最小化的垂直式矩阵型重力储能系统多机协调控制 [PDF]
全球能源互联网重力储能利用高度落差对固体重物储能介质进行升降，实现储能系统的充放电。和抽水蓄能相比，由于其具有不依赖水资源、选址灵活等特点，应用前景广泛。为提高重力储能系统的充放电运行效率，研究了面向多机并联功率环流最小化的垂直式矩阵型重力储能系统多机协调控制问题。首先，基于PSCAD/EMTDC构建垂直式矩阵型重力储能系统模型，分析了其充放电特性；其次，通过对重力储能系统多机并联运行时产生的机组间功率环流机理及抑制问题进行分析，提出了基于重力储能系统双层控制架构的多个机组间协调控制方法 ...
翟文超 +6 more
doaj +1 more source
Effect of Plasma-activated Water Combined with Bubbling on the Removal of Pesticide Residues and Escherichia coli on Xantolis stenosepala [PDF]
The control of pesticide residues and harmful microorganisms is an important issue in the Xantolis stenosepala pulp processing. In this study, plasma-activated water (PAW) combined with bubbling treatment was applied to investigate the removal of effect ...
Jinfeng BI +4 more
core +1 more source
支撑新能源基地电力外送的电源组合优化配置策略研究 [PDF]
, 2023 新能源基地化开发和电力外送是实现能源电力清洁低碳转型的重要途径。新能源发电间歇性和波动性以及有限的输电走廊资源要求基地配置调节电源以提高新能源电力外送工程的可靠性和源网利用率。提出了基于广域长期历史气象数据，采用时序生产模拟电源扩展优化模型，进行不同送电方案下调节电源与新能源装机优化组合策略的研究方法。以内蒙古沙漠地区新能源基地为例的研究表明，电化学储能为代表的无源型调节电源应配置为外送通道容量的35%左右，从而实现合理的通道利用率和基地发输电经济性；配置有源型调节电源，可实现更高的外送通道利用率 ...
刘泽洪, 周原冰, 金晨
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