Impact Analysis of Energy Storage Participating in Peak Shaving and Valley Filling for Distribution Network on Network Loss and Voltage Deviation [PDF]
, 2023 [Introduction] The application scenarios of peak shaving and valley filling by energy storage connected to the distribution network are studied to clarify the influence of energy storage access on network losses and voltage quality on the distribution ...
Fuchun LI +5 more
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High-quality development path for methanol and reconfiguration of its storage and transportation system driven by the “dual carbon” goals [PDF]
ObjectiveAmid the “carbon peaking and carbon neutrality” strategy and energy structure transformation, China faces challenges such as new energy power consumption hurdles and low utilization rates of traditional oil and gas pipelines.
Shangxin ZHAO
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Gaoya dianqi, 2017 针对中国西北地区新能源电能大量富余,"弃风"、"弃光"现象严重,消纳矛盾突出的现状,笔者在发电权市场交易理论的基础上,梳理出考虑新能源消纳的跨省跨区发电权交易能够实施的前提条件、双边/多边交易流程和市场交易模式,并对考虑新能源消纳的跨省跨区发电权交易机理和原则进行了分析,建立了基于煤耗量和污染物排放最小的交易收益模型。最后以甘肃和湖北两地的模拟交易为例进行计算,结果表明,考虑新能源消纳的跨省跨区发电权交易是一种新颖而有效的交易模式,在解决新能源电能富余及消纳问题方面可以发挥积极有效的作用 ...
郑翔宇 +5 more
doaj
Optimization and Scheduling of Integrated Energy Systems With Carbon Capture and Storage-Power to Gas Based on Information Gap Decision Theory [PDF]
ObjectivesThe main issue in the current rational optimization of integrated energy systems is to adopt technological means to improve energy conversion efficiency, reduce system energy waste and regional environmental pollution, in order to ...
BAO Geriletu, LI Xinxin, ZHAO Zhenyu
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面向电力现货市场的独立储能经济性分析与容量补偿机制探索 [PDF]
全球能源互联网新型储能技术的快速进步为提升电力系统灵活性提供了更多技术选择，也为构建竞争性灵活资源市场提供了条件。国外部分独立系统运营商为适应储能物理特性，在能量市场、辅助服务市场、容量市场、输电资产方面做了机制探索；国内一系列电力体制改革文件强调探索容量补偿机制以鼓励新型储能投资建设，但国家层面尚未出台针对新型储能的容量补偿政策。结合主流新型储能技术经济参数与国内典型地区现货市场价格曲线，测算了现货市场环境下各类新型储能经济性差异与未来趋势，并基于国内外容量补偿机制经验与研究成果 ...
刘坚 +6 more
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±500 kV柔直电网与新能源和常规发电机组的协调控制研究 [PDF]
全球能源互联网, 2018 张北±500 kV四端柔直电网工程的送端张北站和康保站作为新能源外送的汇集站，分别连接大规模风电场群，受端北京站和丰宁站分别作为新能源消纳中心和柔直电网的功率平衡节点与华北地区交流电网相连接，丰宁站建有抽蓄机组为系统提供紧急功率支撑。整个工程结构复杂，风电场群出力间歇性、随机性大，柔直系统直流电压对多端有功功率的吞吐平衡量敏感性强，受端负荷中心对电能质量要求高，这为柔直换流器、新能源风电机组和抽蓄机组的控制提出了严峻挑战。针对三者的协调控制展开研究，为柔直送端换流器设计了带频率附加控制的V-f控制 ...
王炳辉 +6 more
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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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基于随机生产模拟的火电机组深度调峰提升新能源消纳能力评估方法 [PDF]
全球能源互联网, 2019 中国许多地区已经开展火电机组深度调峰辅助可再生能源消纳的试点工作，但基于场景的时序模拟方法在分析其调峰效果时受到各类不确定因素影响，难以覆盖所有的运行场景，导致中长期评估结果准确性不高。因此，时序方法不适用于缺少详细时序数据的电源容量规划。为此基于随机生产模拟方法，面向规划应用提出了一种火电深度调峰提升系统可再生能源消纳效果的评估方法。该方法建立了包括非供热火电机组、热电联产机组和风电等电源在内的供给侧概率模型，分析了在不同火电深度调峰方式下，系统负荷、可再生能源发电的概率特性变化 ...
马彦宏 +4 more
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Multi-Virtual Power Plant-Oriented Dynamic Aggregation Control Strategy Based on Hierarchical Partition and Multi-Layer Complementation [PDF]
Virtual power plant (VPP) is a new type of operation mode. It can effectively aggregate a large number of demand side resources and formulate effective dynamic aggregate control strategies to achieve power complemen-tation in different time and space of ...
CHEN Wenbin +3 more
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基于ZNy11-Dyn7型无源降压消弧器件的高阻接地故障选线新方法
Dianci bileiqi, 2023 针对现有接地故障选线方法受系统参数不对称、互感器采样不同步影响，对于高阻接地故障馈线难以准确判别的问题，笔者提出了基于ZNy11-Dyn7无源降压消弧器件的高阻接地故障选线新方法。首先，提出了基于ZNy11-Dyn7型变压器的无源电压调控结构，分析了ZNy11-Dyn7型无源降压消弧器件接入系统后的运行特性。基于ZNy11-Dyn7型无源器件电压调控原理，在系统发生接地故障前后，分别通过无源器件投入调控系统电压，计算故障前后各馈线零序导纳值，消除系统参数不对称、互感器采样不同步影响 ...
陈虓 +5 more
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