Intelligent Construction System and Key Technology for Compressed Air Energy Storage Power Plant [PDF]
ObjectivesCompressed air energy storage (CAES) is a new type of energy storage system that utilizes the mutual conversion of electrical energy and compressed air potential energy to balance the fluctuation of power grid.
CHEN Fang +6 more
core +1 more source
Improvement of Electrochemical Performance of Manganese-based Lithium-Rich Cathode Materials for Lithium-ion Battery [PDF]
近年来,锂离子电池富锂锰基正极材料xLi2MnO3•(1-x)LiMO2(M=Mn,Co,Cr,Ni等)由于具有较高的比容量(≥250mAh/g)、热稳定性好、成本低廉以及对环境友好等优点,引起了研究者的广泛关注和研究。本论文选择Li1.14Ni0.18Mn0.62O2富锂锰基正极材料作为研究对象,采用一种简单的熔融盐法,以改善电化学性能为目标,对于熔融盐的选择、煅烧温度及时间的控制、熔融盐用量等条件进行研究,调控了材料的结构并提高了电化学性能;然后通过使用新型粘结剂,抑制了该材料的电压衰减,
张涛
core
超级电容压缩空气混合储能应用于光伏发电系统的EMR建模与控制
超级电容和压缩空气构成的混合储能系统,具有高能量密度、大功率密度、造价低以及使用周期长的优点。混合储能应用于光伏发电系统可稳定电源和负载波动对电网的冲击,并提高光资源利用率。文中利用宏观能流表示法(energy macroscopic representation,EMR)实现超级电容和压缩空气混合储能系统建模,可以从系统功率、储能容量、能量转换效率等方面确定储能系统的顶层指标设计。利用规则基础控制实现电源和负载的能量管理,研究EMR建模和IBC控制,从能量流通回路发掘控制链,从顶层设计系统控制方案 ...
黄先进 +4 more
doaj
为大型风电场配置适当容量的储能系统,可以有效提高电网对风电的接纳能力。文中提出了一种由压缩空气储能和蓄电池组成的新型混合储能系统,并将其用于平衡风功率和风电场预测功率之间的偏差。基于低通滤波方法将功率偏差进行分解,得到两类储能系统的控制输出功率,以采取相应的控制机制补偿预测误差。在计及蓄电池损耗特性的基础上,建立了蓄电池的寿命评估模型。通过分析混合储能系统的成本结构,建立了该系统的全寿命周期成本计算模型。以典型风电场为例对不同储能方案进行的对比分析验证了所述模型和方法的可行性。算例结果表明 ...
陈科彬 +3 more
doaj
Levelized Net Present Value of Electricity Analysis of Frame Gravity Energy Storage System [PDF]
[Objective] The frame gravity energy storage system has a wide range of application prospects due to its high economic benefits, low system costs, and unrestricted geographical conditions.
Chunlin ZHANG +3 more
core +1 more source
针对FKQ280-3型地面防喷器控制装置的司钻控制系统无报警功能,不能满足石油行业相关标准要求的问题,对其进行了升级改造。采用SIEMENS S7-200CN系列PLC控制器、EM227 Profibus-DP扩展模块和Profibus-DP总线网络通讯协议,使信号通过PLC控制位于地面防喷器控制装置上的三位四通电磁阀(气控阀)进行换向,让压缩空气进入对应控制回路的控制气缸,从而达到控制三位四通转阀换向的目的;系统还通过PLC控制技术实现对储能器压力过低、空气压力过低和油箱液位过低等极限状态下的声 ...
丁辉, 司念亭, 徐华忠, 陈金稳
doaj
Theory and method of suitable evaluation for mine environmental positive effects development and utilization [PDF]
Since the economic reform and opening up, the exploitation of mineral resources has made significant contributions to the economic development of China.
Honglei LIU +3 more
core +1 more source
《电化学储能应用及产业化》专辑序言——支撑未来新兴产业发展的电化学储能技术 [PDF]
能源问题和环境问题是人类今后长期面临的重要课题,如何解决能源短缺和环境污染问题是人类社会的重大需求.风能、光能、生物能等绿色新能源的有效利用和以电动汽车为代表的新能源汽车以及智能电网被视为现代社会今后发展过程中节能减排的重要途径.全球三大新兴产业(新能源、智能电网、电动汽车)的发展瓶颈都指向了储能技术.但在众多的储能技术中 ...
赵金保
core
Numerical simulation of stress characteristics of high-pressure gas storage within heterogeneous rock formations [PDF]
ObjectiveGas storage using lined rock caverns (LRC) has emerged as an innovative method for underground gas storage. Naturally constructed within caverns manually excavated in underground rock formations, LRC gas storage exhibits several characteristics,
Jiaxiang LI +3 more
core +1 more source
Progress in the Engineering Application of Molten Salt Thermal Storage Technology in the Field of Solar Thermal Power Generation [PDF]
[Objective] To provide an overview of the development of molten salt thermal storage technology in the field of concentrated solar power (CSP) generation and explore its significant role in achieving China's "dual carbon" goals.
Junchang CI
core +1 more source

