Results 21 to 30 of about 3,235 (212)
全球能源互联网以可再生能源和储能为主体的新型能源系统建设已成为能源转型的发展趋势。针对当前电化学储能面临技术经济性差以及供用能在品质上存在不匹配的问题，基于能量梯级综合利用的理念和共享经济的模式，提出热电联产型共享储能系统的技术与业态，探讨该类储能的基本运行原理、技术经济特性和商业模式。以高温固体蓄热、余热锅炉与汽轮机组成的典型热电联产型共享储能系统的案例分析表明，以固体蓄热为储能设备的热电联产型共享储能系统，在现有市场环境下实现系统经济性最优的容量配置和运行调度时，系统内部收益率达到10.6%、投资回收期为8.2 ...
冶兆年 +4 more
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Research on Energy Consumption Calculation of Prefabricated Cabin Type Lithium Iron Phosphate Battery Energy Storage Power Station [PDF]
, 2023 [Introduction] The paper proposes an energy consumption calculation method for prefabricated cabin type lithium iron phosphate battery energy storage power station based on the energy loss sources and the detailed classification of equipment attributes ...
Hao ZHAO, Shilong CHEN, Xuebin LI
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全球能源互联网, 2020 将用户侧电、热、气等多种形式能源集成构建微能源系统，能够综合考虑多能流的转换、存储与传输过程中的互补特性，有利于提升系统的整体能源利用效率。然而，系统中不同形式能量的物理属性和传输特性差异较大，现有模型在研究多能流的传输和转换过程时，难以完整考虑热量传输约束及其对能量转换的影响。针对微能源系统中的综合能量管理问题，构建了热力系统中换热器的非线性传热模型，并考虑了热量传输对能量转换效率的影响。同时，结合光伏电池、储能电池、热泵、燃气锅炉、太阳能集热器及相变储热装置建立了微能源系统中能量传输与转换的整体模型，
苟星 +5 more
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Wireless Autonomous Power Flow Control in Converter-Fed Microgrids [PDF]
, 2014 When total apparent power of the energy storage system (ESS) interfacing converter is fixed, the higher the requirement on reactive power in the microgrid system with distributed multiple converters, the weaker the ability of ESS to balance theactive ...
Guerrero, Josep M. +4 more
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Secondary frequency control of islanded microgrid considering wind and solar stochastics
, 2023 As the high penetration of wind and photovoltaic distributed generation (DG) in the microgrid, the stochastic and low inertia emerge, bringing more challenges especially when the microgrid operates in isolated islands.
Chen, Jikai +4 more
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Research progress in Li-ion battery pack inconsistency control [PDF]
, 2017 总结电池均衡、成组方式和热管理的研究方法及问题。电池均衡技术主要有电池均衡电路、电池均衡控制策略；电池成组方式主要有电池串并联方式、电池连接阻抗；电池热管理主要有电池生热特性 ...
冯自平, 吕杰, 宋文吉, 罗卫
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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
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Capacity Sizing Method and Economic Analysis of Energy Storage in Substations Meeting N-1 Criterion of Main Transformers [PDF]
, 2023 [Introduction] In order to solve the problem of the short-term heavy load of main transformers in substations caused by the high peak load of the power grid with the relatively reasonable average-load-rate and increasing utilization hours of the ...
Huiling XIE +3 more
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全球能源互联网, 2018 压缩空气储能是一种大规模物理储能技术，为实现电网负荷削峰填谷、缓解弃风弃光问题提供了崭新的解决思路。同时，未来电网也逐步呈现新能源高占比、“强直弱交”等形态，对储能系统的运行模式和功能特征有了更丰富而具体的要求。提出了压缩空气储能系统调相运行模式，从技术原理、设计思路、性能评估、算例分析等方面探索并验证了压缩空气储能系统调相运行的有效性。所提出的调相运行模式不仅能为电网提供动态无功支撑，而且能通过降低机组启停次数而减少运维量；提出的调相运行模式很好地扩展了系统功能 ...
李广阔 +5 more
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Comprehensive Evaluation Model of Energy Storage Power Station With Full Life Cycle [PDF]
, 2023 The research on the evaluation model of the energy storage power station focuses on the cost model and economic benefit model of the energy storage power station.
CAI Wei +7 more
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