Results 71 to 80 of about 5,328 (175)
耦合可再生能源的分布式联供系统设计及运行策略优化 [PDF]
, 2019 基于通用数学建模(the general algebraic modeling system,GAMS)软件,针对耦合可再生能源技术的分布式冷热电联供(renewable energy coupled combined cooling,heating and power,RCCHP)系统构建数学模型,并结合上海市某综合区域为案例,选取2项经济性指标和1项环境性指标,对4种情景下RCCHP系统的运行情况进行模拟计算与分析,分析该系统的设备组合、逐时运行策略、经济性与环境性 ...
孟超 +5 more
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Gaoya dianqi, 2017 为了提高特高压电容式电压互感器的瞬态性能,分析其在较宽频域内的分压特性,以某公司生产的1 000 kV特高压电容分压器为实验对象,进行了特高压电容分压器阻抗的测量,建立了特高压电容分压器的宽频等效电路模型。首先,测量特高压电容分压器的阻抗;其次,基于测量得到的数据结合矢量匹配法和电路综合理论,建立了特高压电容分压器的宽频等效电路模型,并利用模式搜索算法对等效电路进行无源修正;最后,利用所建立的模型,分析特高压电容分压器在不同频率下的分压特性,为合理设置均压装置以及改善特高压的制造工艺提供理论依据。
王平, 张广勇, 李慧奇, 李璿
doaj
Optimized Operation Strategy of Wind-Solar-Storage Integrated Charging Station Considering Power-to-Hydrogen and Demand Response [PDF]
ObjectivesTo meet the charging demands of new energy vehicles and promote the utilization of renewable energy, an optimized operation strategy of a wind-solar-storage integrated charging station, considering power-to-hydrogen conversion and demand ...
CUI Lu, LIU Shilin, MIAO Wan, WANG Qing
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Research on Economic Scheduling of Active Distribution Networks With Inclusion of Data Center and Energy Storage [PDF]
ObjectivesTo improve the new energy consumption capacity of the power grid, reduce operational costs for power generation companies, and address issues such as increased network losses and reduced new energy consumption when large-scale renewable energy ...
LI Ji, MA Haoran, WANG Weiqing, YUAN Zhi
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Effect of Hydrogen Production System on Sub-Synchronous Oscillation Characteristics of Doubly Fed Induction Generator Systems With Series Compensation [PDF]
ObjectivesThe grid-connected operation of large-scale wind turbines increases the risks of sub-synchronous oscillation (SSO) in power systems, to address these issues, this study conducts an in-depth analysis of the effect of hydrogen production systems ...
LIU Zenan, LU Yanan, XU Tao
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Gaoya dianqi, 2013 特高压电网中的无功补偿装置具有无功输出容量大、运行电压高等特点,其特殊性和重要性对投切电容器组的断路器合闸回路可靠性提出了更高要求。笔者提出了特高压变电站中110 kV电容器组专用断路器的合闸控制回路改进方法,采用双合闸控制回路并配置专用信号回路,该种方法可有效改善电容器组断路器合闸控制回路故障频发,提升特高压电网无功补偿装置运行可靠性。
黄元生 +4 more
doaj
Ship hydrogen-electric hybrid power system model and life cycle carbon emission assessment method [PDF]
ObjectivesA life cycle carbon emission assessment method is proposed to comprehensively evaluate the carbon emission reduction capacity of hydrogen-electric hybrid ships.
Cong GUAN, Li CHEN, Yue CHU
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220kV带纯空气间隙线路避雷器绕击耐受容量及避雷器轻型化潜力研究
Dianci bileiqi, 2017 带纯空气间隙线路避雷器越来越多应用于线路防雷,尤其是防绕击雷,研究线路避雷器线路的绕击耐受容量及其轻型化具有重要工程应用价值。基于实测的220 kV带纯空气间隙线路避雷器参数建立ATP-EMTP电磁暂态模型,计算了线路避雷器在不同避雷器配置方式和导线电压下的绕击耐受能力。研究表明,当前线路避雷器存在轻型化空间;轻型化线路避雷器需根据线路结构和地形条件进行差异化配置;采用多基杆塔差异化配置方式,避雷器方波容量可降至300 A。本文研究丰富了基于线路避雷器的输电线路差异化防雷策略 ...
廖文龙 +5 more
doaj
Thermodynamic analysis and optimization design of alkaline water electrolysis hydrogen production system for offshore wind power [PDF]
ObjectivesIn order to fully leverage electricity and seawater resources, this paper carries out the thermodynamic analysis and optimization design of an alkaline water electrolysis（AWE） hydrogen production system for offshore wind power.
Li SUN +3 more
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