Results 91 to 100 of about 7,968 (210)
Multi-Time Scale Optimization Strategy for New Distribution System Oriented to Photovoltaic Consumption and Low Carbon Demand Response of Ice Storage Air Conditioning Groups [PDF]
ObjectivesIn view of the limitations of the traditional distribution network demand response model in regulating the flexible and controllable resources on the load side, especially ignoring the unique and efficient resources such as ice storage air ...
GUO Junhong +5 more
core +1 more source
Gaoya dianqi, 2021 为了有效解决短路电流不断增大对电力系统造成的威胁,文中提出了一种新型快速断路器加装限流电抗器的智能控制系统,该系统主要由限流设备和控制系统组成。当系统正常运行时,快速断路器闭合并将电抗器旁路,快速断路器具有良好的开断性能,对系统影响可以忽略;当线路发生故障时,数据采集系统感知串联在线路中的电流互感器的变化,经过该智能系统的判别,对快速断路器发出开断和闭合命令,以达到限流目的。通过实际案例仿真验证了该智能控制系统能够有效限制短路电流,避免故障期间由于短路电流的增大而引起的电力系统失稳。
彭寅章 +4 more
doaj
Evolution analysis of power wireless private networks for control services [PDF]
With the in-depth advancement of energy IoT and power IoT, the application of wireless communication technology in the power industry has received more and more attention.
DING Zhonglin +3 more
core +1 more source
Gaoya dianqi, 2007 阐述了新型静止无功发生器（STATCOM）的基本原理,应用滑模变结构理论与模糊控制理论,设计了能同时改善电力系统功角稳定与装设点电压动态性能的STATCOM模糊滑模控制器（FSMC）。针对含STATCOM的单机-无穷大系统进行的电力系统暂态仿真结果表明:与常规STATCOM控制器相比,设计的模糊滑模控制器能更有效地提高电力系统的稳定性,改善动态响应品质。
茅靖峰, 孙玉坤, 吴爱华
doaj
Modeling and Dynamic Characteristic Analysis of Combustion Process of Biomass Vibrating Grate Furnace [PDF]
In order to explore the combustion characteristics of the biomass vibrating grate furnace and realize the control and optimization of the unit combustion process, the mechanism model of the grate combustion process was established through the analysis of
GAO Mingming +5 more
core +1 more source
Gaoya dianqi随着信息通信技术在电力系统中的广泛应用，传统电网由仅分析物理系统或信息空间本身向新型电力系统下电力信息物理系统（cyber-physical power system，CPPS）方向转变。文中基于复杂网络理论，通过模拟连锁故障下能量流与信息流的交互作用，提出了一种关键电力节点与信息节点的辨识方法。首先根据CPPS中能量流与信息流之间相互耦合关系，结合电力网潮流与信息网时延变化相互之间发生的连锁故障的演变过程，构建了CPPS一二次系统相互依存网络模型 ...
李希喆, 辛培哲, 江璟
doaj +2 more sources
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
doaj
Gaoya dianqi随着新能源在电力系统中的比例不断增加，其难预测特性使得新型电力系统的电压稳定性面临严峻挑战。为此，提出一种于高比例新能源馈入下计及系统静态电压稳定的无功优化方法。首先，通过分析无功补偿容量与电压静稳L指标的关系，推导综合L-Q灵敏度指标（comprehensive L-Q sensitivity index），使系统于等量无功注入时电压支撑强度提升。同时，兼顾系统运行安全及经济运行构建多目标无功优化模型，采用多目标差分进化算法（multi-objective differential evolution
傅国斌 +6 more
doaj
Research on the Development Trends and Countermeasures of Integrated Energy Services [PDF]
ObjectivesWith the continuous advancement of the national “dual carbon” strategy, integrated energy services, as a new model and new form of the energy industry, are gradually becoming an important means for China to build a new energy system and create ...
KAN Yansheng +8 more
core +1 more source
Optimal Operation of Residential Microgrids Based on a Robust Model Using Information Gap Decision Theory [PDF]
ObjectivesResidential microgrids are an important part of the new-type power system, and their optimal operation is crucial for improving the utilization efficiency of renewable energy and reducing system operating costs.
LIU Shilin, LUO Zonglong
core +1 more source