Results 31 to 40 of about 1,466 (150)
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
doaj
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
core +2 more sources
Analysis of Power Generation Technology Trend in 14th Five-Year Plan Under the Background of Carbon Peak and Carbon Neutrality [PDF]
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
core +1 more source
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
doaj
Optimization method for island and reef hybrid power generation systems' power capacity based on adaptive ant colony algorithm [PDF]
Objectives Aiming to address the existing challenges in the power capacity configuration of island and reef hybrid power generation systems, this paper proposes an optimization method based on the adaptive ant colony algorithm (ACA).
Hao ZHANG +4 more
core +1 more source
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
doaj
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
core +1 more source
基于CNN-Bi-LSTM功率预测的海岛综合能源系统优化调度 [PDF]
合理构建海岛综合能源系统对沿海能源清洁化转型意义重大,其优化调度更是实现海岛能源供需平衡的有效途径。为此,提出了一种考虑风光功率预测的海岛综合能源系统优化调度方法。首先,搭建包含氢能设备、海水源热泵、海水淡化装置、波浪能发电装置等新型能源转换设备的系统模型。其次,海上气候多变会导致新能源发电不稳定,故采用含环境变量重要性排序的一维卷积神经网络和双向长短时记忆神经网络(convolutional neural network-bi-directional long short-term memory ...
刘继彦 +4 more
core +1 more source
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
Two-Stage Robust Optimization Scheduling of Park-Level Hydrogen-Electric Coupling Systems With Demand Response and Carbon Trading [PDF]
ObjectivesHydrogen energy, as a clean energy source with high energy density and zero carbon emissions, is an important component of future energy systems.
PENG Yonggang, SUN Jing, ZHANG Jiaxin
core +1 more source

