Comparative Evaluation of Thermoelectric Decoupling Potential and Economy of Multi-Type Small Capacity Thermal Power Units [PDF]
ObjectivesNew energy power generation faces significant fluctuations and instability in output power and generation load, posing certain challenges to the stable operation of the power system. After thermoelectric decoupling, small-capacity thermal power
CHEN Heng +5 more
core +1 more source
Research on Economic Scheduling of Active Distribution Networks With Inclusion of Data Center and Energy Storage [PDF]
ObjectivesTo improve the new energy consumption capacity of the power grid, reduce operational costs for power generation companies, and address issues such as increased network losses and reduced new energy consumption when large-scale renewable energy ...
LI Ji, MA Haoran, WANG Weiqing, YUAN Zhi
core +1 more source
Gaoya dianqi针对可再生能源大规模并网带来的能源消纳需求，电制氢技术因其可将电能清洁高效地转换为氢能储存的特性，提供了一种有效的能源消纳方案。文中旨在研究考虑氢储能的多目标综合能源优化配置方案，首先提出包含可再生能源发电、电制氢、储能等环节的能源框架，进一步构建以投资成本低、可再生能源机组的弃风弃光量小和碳排放量低为目标的多目标调度模型，最后通过小生境粒子群算法在多个目标之间寻找最优解集。仿真结果表明，本方法可以得到系统投资成本低、可再生能源利用率高和碳排放量低的配置方案，以推动能源结构绿色转型。
孙靓雨, 林泽源, 李伟
doaj
Development and Challenge of Flexible Operation Technology of Thermal Power Units Under New Power System [PDF]
Under the background of “dual carbon”, new energy sources have begun to be connected to the grid on a large scale. However, the randomness and volatility of new energy generation significantly impact the power grid, making it urgent to build a new power ...
LI Qi +5 more
core +1 more source
Gaoya dianqi, 2020 为促进孤岛微网中可再生能源的消纳,减小负荷峰谷差。文中在孤岛微网中引入价格型需求响应,以微网运行成本最低和柴油发电机出力最少为目标,综合考虑功率平衡、抽水蓄能机组启停与工况转换等约束条件,构建了含风电、抽水蓄能和柴油发电机的孤岛微网多目标优化调度模型,并采用乌鸦搜索算法进行求解。仿真结果表明:在孤岛微网中引入价格型需求响应能有效削减负荷峰谷差,经济效益显著。与粒子群优化算法相比,乌鸦搜素算法在收敛速度和全局寻优的能力上具有明显优势。
黄景光 +5 more
doaj
The Carbon Emission Efficiency of China’s Listed Thermal Power Companies: An Improved Three-Stage Slack Based Measure-Data Envelopment Analysis Model [PDF]
ObjectivesCalculate the carbon emission efficiency of listed thermal power companies, compare and analyze the reasons why the efficiency ranks at the bottom and the top driving factors, group thermal power companies according to different conditions, and
HU Yuelin, YUAN Jiahai, ZHANG Jian
core +1 more source
Research on Predictive Maintenance Mode of Air Preheater Based on Digital Twin [PDF]
ObjectivesIn order to solve the shortcomings of the traditional preventive maintenance method of air preheater in large thermal power unit, a general mode of predictive maintenance based on digital twin was proposed, and the digital twin system of air ...
CHEN Lian +12 more
core +1 more source
Gaoya dianqi, 2016 大量可再生能源接入电网给配电网的控制带来了巨大挑战,传统配电网的被动控制已经不能满足对配电网能量双向流动的实时控制,发展研究主动配电网分层分布控制能实现对可再生间歇式能源的有效消纳及控制。文中将主动配电网（ADN）划分成3层控制结构,根据全局优化及馈线控制误差（feeder control error,FCE）提出定交换功率控制、区域协同控制、区域自治控制3种模式及它们之间进行主动切换的条件、方法。最后通过MATLAB/Simulink建立一个简单的ADN配电系统模型进行仿真 ...
刘波 +4 more
doaj
Analysis of Application Status and Key Issues of Hydrogen Blending Power Generation Technology for H-class Gas Turbine [PDF]
ObjectivesAs an important support for the new power system, hydrogen gas turbines can help reduce carbon emissions and are conducive to grid peak regulation.
CHENG Ming +4 more
core +1 more source
Optimization configuration of coal mine multi-energy complementary heat and power coordinated supply system in western China [PDF]
With the advancement of the “dual-carbon”goal, utilizing renewable energy resources to reduce carbon emissions in the coal mining process has become a significant development trend.However, the construction of mine multi-energy complementary systems ...
Jin WU +6 more
core +1 more source