Results 31 to 40 of about 1,562 (168)
A Wireless Multi-Objective Power Sharing Method for Energy Storage System in DC Micro-Grid Considering Oscillatory-Type Power [PDF]
As the construction of new power systems, DC microgrids will become an important part of the distribution network. As AC load connecting to DC microgrids, the oscillating power will enter the DC system, which affects the power distribution of energy ...
LU Gang +4 more
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Gaoya dianqi, 2023 针对风电波动性、间歇性和难预测等严重冲击电网安全运行问题，提出一种利用变分模态分解（VMD）和自适应权重粒子群算法（APSO）获得风电场混合储能系统容量优化配置方法。首先，基于典型日风电输出功率，利用低通滤波法得到满足标准的目标并网功率并获得储能系统参考功率。然后，将其通过VMD分解为高、低频功率，由超级电容器和蓄电池承担。最后，考虑储能充放电功率与荷电状态（SOC）等约束，建立以系统年综合成本最小为目标的容量优化配置模型，采用APSO算法求解并分析最优分界点和对应的储能配置方案 ...
赵峰, 张帆, 陈小强, 王英
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Gaoya dianqi, 2015 针对分布式电源的随机性引起的联络线波动,在微电网中加入混合储能装置可以有效平抑该波动,提高电能质量。采用蓄电池与超级电容器组合的混合储能装置,以二阶低通滤波方式确定混合储能装置输出功率,提出一种考虑超级电容器剩余容量的超前控制策略对该功率进行修正,在不影响蓄电池寿命的基础上增加了超级电容器的寿命,建立了混合储能容量配置考虑年最小成本的经济评价模型。仿真实例验证了该方法的有效性。
王博堃, 滕欢, 胡晓通, 况达
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Research Review of Gravity Energy Storage Based on Grand Structure and Slope Gravity Energy Storage Systems [PDF]
[Objective] Gravity energy storage, as a new form of energy storage, plays an increasingly important role in balancing power supply and demand, responding to intermittent energy fluctuations, and other aspects of the power system.
Biao LIU, Jun LI, Jun LI, Zhaowei YUAN
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, 2015 Ｉｎ ｉｓｌａｎｄｅｄ ｍｉｃｒｏｇｒｉｄｓ，ｔｈｅ ｔｒａｄｉｔｉｏｎａｌ ｗｉｒｅｌｅｓｓ ａｃｔｉｖｅ ｐｏｗｅｒ ｃｏｏｒｄｉｎａｔｅｄ ｃｏｎｔｒｏｌ ｍａｙ ｌｅａｄ ｔｏ ｔｈｅ ｓｔａｔｅ ｏｆ ｃｈａｒｇｅ （ＳＯＣ）ｏｆ ｔｈｅ ｂａｔｔｅｒｙ ｅｎｅｒｇｙ ｓｔｏｒａｇｅ ｓｙｓｔｅｍ （ＢＥＳＳ）ｇｅｔｔｉｎｇ ｂｅｙｏｎｄ ｔｈｅ ｓａｆｅ ｏｐｅｒａｔｉｏｎ ｒｅｇｉｏｎ ｉｆ ｉｍｂａｌａｎｃｅ ｂｅｔｗｅｅｎ ｐｏｗｅｒ ｃｏｎｓｕｍｐｔｉｏｎ ａｎｄ ...
Guerrero, Josep M. +4 more
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Analysis of Power Generation Technology Trend in 14th Five-Year Plan Under the Background of Carbon Peak and Carbon Neutrality [PDF]
, 2022 The deep decarbonization of the energy and power industry will play a vital role in achieving the goal of carbon peak and carbon neutrality in China, and the important breakthrough point lies in the innovation of science and technology.
FENG Yiming +4 more
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Gaoya dianqi, 2016 根据直流微电网的结构以及运行特点,分析了直流微电网中分布式发电单元和混合储能单元的控制策略。针对直流微电网中由于分布式发电单元输出功率的不稳定以及负载突变造成的直流母线电压波动问题,提出了一种基于直流微电源模块和混合储能模块的协同能量管理策略。该控制策略以直流母线电压为信号对混合储能模块的充放电模式进行控制。同时也搭建了含光伏微源单元和混合储能单元的仿真模型,通过MATLAB/Simulik仿真软件对混合储能的能流切换模式进行仿真 ...
张国军, 韩雪, 康成功, 张信
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Grid-connected control strategy of GFM inverter in solar-powered ship photovoltaic system [PDF]
Objective The paper aims to solve the problem of the overall stability of the ship's power system being reduced due to the use of grid-following (GFL) control for grid connection in existing solar ship photovoltaic (PV) power generation systems ...
Chunhua ZHAO +2 more
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, 2023 全球能源互联网以“两个替代、一个提高、一个回归、一个转化”为发展方向，推动全球清洁能源广泛大规模开发利用，通过“九横九纵”骨干网架，建设跨区域输送、跨时空互补、全球配置的战略通道，实现全球清洁能源多能互补的广域广泛应用。首先分析全球能源互联网与多能互补的内涵和内在关系，总结全球能源互联网多能互补的典型应用场景；然后提出基于全球清洁能源资源评估平台（GREAN）和生产模拟的多能互补协同开发综合规划分析方法；最后通过典型案例 ...
余轶 +7 more
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Gaoya dianqi, 2018 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
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