检索结果-内蒙古大学图书馆

Smart Grid and Energy Internet (SGEI), International Conference on

作者： Ziyi Xiong Yi Yang Yanglin Zhou Qi Zhou Song Ci Department of Electrical Engineering Tsinghua University Beijing China State Grid Jiangsu Electric Power Co. Ltd. Electric Power Research Institute Nanjing China State Key Laboratory of Power System Operation and Control Tsinghua University Beijing China

ISBN: (数字)9798350368314

ISBN: (纸本)9798350368321

High proportion of renewable energy brings great challenges to the stable operation of the distribution network. Distributed energy storage (DES), as an interactive Lithium-ion battery energy storage system, can effectively improve the grid connection and serve as a backup power source. Aiming at the DES system supporting the flexibility of distribution network, this paper proposes a new type of dynamic reconfigurable battery (DRBN) system and its efficient collaborative optimization control method with the power converter system, clarifies the operation control mechanism of the DRBN system of the CPS architecture, proposes a multi-objective optimization control strategy for the DRBN system based on the CPS architecture, and formulates a demonstration application and verification plan.

关键词： Lithium-ion batteries Renewable energy sources Energy Internet Collaboration Distribution networks Smart grids Optimization power generation Information exchange

来源：评论

学校读者我要写书评

暂无评论

An Operational Risk Prevention Strategy Based on Dynamic Line Rating

An Operational Risk Prevention Strategy Based on Dynamic Lin...

引用

IEEE Asia power and Energy Engineering Conference (APEEC)

作者： Lingzi Zhu Jieling Li Mingshun Liu Liweiyong Guo Dongxu Chang Power Dispatching Control Center Guizhou Power Grid Co. Ltd Guiyang China Power Dispatching Control Center of Guizhou Power Grid Co. Ltd Guiyang China Department of Electric Power Engineering Chongqing University Chongqing China School of Electrical Engineering Chongqing University Chongqing China Electric Power Research Institute China Southern Power Grid Guangzhou China CSG Key Laboratory for Power System Simulation Electric Power Research Institute China Southern Power Grid Guangzhou China

ISBN: (数字)9798350373479

ISBN: (纸本)9798350373486

As renewable energy becomes increasingly used, its uncertainty leads to a lack of initiative in power system prevention methods. Therefore, based on the application of Dynamic Line Rating (DLR), this paper proposes a new strategy for operational risk prevention in power systems under considerations of supply and demand uncertainties as well as DLR prediction. First of all, the probability density function and sequential expected power are utilized to describe the uncertainty models of wind power and load. Subsequently, a combination prediction model of DLR based on the entropy method is proposed to characterize the uncertainty of DLR. Finally, the DLR is applied in the risk assessment model. A risk index is proposed to describe the overload of the transmission line. The performance is tested in the IEEE-39 system, and the results show the prediction accuracy and risk prevention effectiveness of DLR.

关键词： Renewable energy sources Uncertainty Supply and demand Biological system modeling power system dynamics Predictive models Wind power generation

来源：评论

学校读者我要写书评

暂无评论

A Stochastic Resource Management Scheme for Multi-Energy Group control system

A Stochastic Resource Management Scheme for Multi-Energy Gro...

引用

power Electronics, Computer Applications (ICPECA), IEEE International Conference on

作者： Ran Ding Rongfu Sun Yan Geng Yiming Yao Ergang Zhao Lina Xu State Grid Jibei Electric Power Company Limited Beijing China Dept. of Electrical Engineering State Key Lab. of Control and Simulation of Power System and Generation Equipment Tsinghua University Beijing China

The interaction between various energy supply systems (cold, heat, electricity, gas, etc.) is becoming more tightly coupled as social economy and technology advance. Multi-energy systems are ineffective because different types of energy systems run independently. In order to protect the data privacy of each sub-system, this research suggests an ideal resource management framework for a multi-energy group control system. The energy hub (EH) paradigm is first suggested. When deploying EHs, the physical constraints of various energy systems are taken into account. Through scenario-based stochastic programming, the uncertainties of renewable energy are considered. According to the leader-follower relationship between multi-energy group control system operators and energy hub operators (EHOs), Benders decomposition is applied to decentralize the decision-making process. Finally, an example is given to illustrate the effectiveness of the proposed model and algorithm.

关键词： Data privacy Renewable energy sources Uncertainty Decision making Stochastic processes Process control Programming

来源：评论

学校读者我要写书评

暂无评论

Research on the Grid-connected Photovoltaic power Scheduling Strategy Considering the Flexible Load

Research on the Grid-connected Photovoltaic Power Scheduling...

引用

Energy Engineering and power systems (EEPS), International Conference on

作者： Tao Meng Chenggang Li Dexin Li Jiajun Zhang Electric Power Research Institute State Grid Jilin Electric Power Co. Ltd Key Laboratory of Modern Power System Simulation and Control & Renewable Energy Technology Ministry of Education School of Electrical Engineering Northeast Electric Power University Changchun China Electric Power Research Institute State Grid Jilin Electric Power Co. Ltd Changchun China

With the target of "peak carbon dioxide emission" and "carbon neutrality", the installed capacity of renewable energy power generation is increasing rapidly. To improve the absorption capacity of renewable energy, the frequency regulation ability of flexible load is considered. Diffusion strategy is an optimal strategy for the distributed multi-agent system. Considering the flexible load, the grid-connected photovoltaic power applies the diffusion strategy to optimize the scheduling strategy. The effectiveness of the proposed optimal algorithm is verified by a simulation example. The results show that the proposed algorithm can realize frequency regulation, and improve the installed capacity of photovoltaic power generation.

关键词：

来源：评论

学校读者我要写书评

暂无评论

Natural Gas Load Forecasting Based on Multi-Stage Model Identification 14

Natural Gas Load Forecasting Based on Multi-Stage Model Iden...

引用

14th IEEE International Conference on Cyber Technology in Automation, control, and Intelligent systems, CYBER 2024

作者： Zhang, Pengbin Wang, Hongrui Xing, Kunpeng Yuan, Mingzhe Shenyang Institute of Automation Chinese Academy of Sciences State Key Laboratory of Robotics Shenyang110016 China Chinese Academy of Sciences Key Laboratory of Networked Control System Shenyang110016 China University of Chinese Academy of Sciences Beijing100049 China Guangzhou Institute of Industrial Intelligence Guangzhou511458 China China Nuclear Power Engineering Co. Ltd. Shenzhen518124 China

ISBN: (纸本)9798331506056

Natural gas load forecasting is crucial for the safe operation of urban natural gas. Based on the system identification method, the short-term natural gas load forecasting is studied in the paper. Employing a multi-stage identification framework, the initial values of the model parameters using the least squares and the instrumental variables method, while the model parameters are further optimized by the prediction error method to improve the accuracy of the model identification. The proposed method is validated by the simulation based on the public natural gas data in the U.S., demonstrating the algorithm's effectiveness in forecasting the daily natural gas load effectively. © 2024 IEEE.

关键词： Prediction models

来源：评论

学校读者我要写书评

暂无评论

Screening of Areas with High Risk of Short-Circuit Current Exceedance in power systems with Renewable Energy Integration

Screening of Areas with High Risk of Short-Circuit Current E...

引用

IEEE Asia power and Energy Engineering Conference (APEEC)

作者： Jian Wang Haoran Chen Hang Qi Changgang Li Wei Dong Yi Lu Wen Hua Zhengyang Zhou Longfei Wang Ying Cheng Key Laboratory of Power System Intelligent Dispatch and Control of Ministry of Education Shandong University Jinan China State Grid Zhejiang Electric Power Co. Ltd. Research Institute Hangzhou China

ISBN: (数字)9798350373479

ISBN: (纸本)9798350373486

The efficient short circuit calculation is the basis of short circuit current control. Commonly, the iterative calculation method of short-circuit current is adopted in power systems containing renewable energy sources. However, the detailed short-circuit current screening for all areas in power systems is time-consuming. To address this problem, this paper proposes an efficient screening method for areas with high risk of short-circuit current exceedance. Firstly, this paper builds the short-circuit models of synchronous generator and renewable energy source. Then, an efficient approximate calculation method of the maximum short-circuit current is proposed. Finally, a screening method for high-risk areas with short-circuit current exceeding limit is proposed, and an index of screening performance is defined. The validity of the proposed method is verified with a modified New England 39-bus power system.

关键词： Electrical engineering Renewable energy sources power transmission lines Short-circuit currents Asia Synchronous generators power systems

来源：评论

学校读者我要写书评

暂无评论

Efficient CO2 Desorption Catalysts: from Material Design to Kinetics Analysis and Application Evaluation

引用

Engineering 2025年

作者： Xing, Lei Chen, Zhen Zhan, Guoxiong Huang, Zhoulan Wang, Lidong Li, Junhua State Key Joint Laboratory of Environment Simulation and Pollution Control School of Environment Tsinghua University Beijing100084 China MOE Key Laboratory of Resources and Environmental Systems Optimization College of Environmental Science and Engineering North China Electric Power University Beijing102206 China

Catalytic amine-solvent regeneration has been validated as an energy-saving strategy for CO2 chemisorption by boosting reaction kinetics under mild conditions. The upscale performance evaluation and long-term durability are indispensable steps for industrial application but have been scarcely reported thus far. Here, we report a ZrO2/Al2O3 pack catalyst that possesses strong metal oxide-support interactions, a porous structure, active and stable Zr–O–Al coordination, promoted proton transfer and a 40.7% decrease in the energy activation of carbamate decomposition, which significantly accelerates CO2 desorption kinetics. The upscale experiment and cost evaluation based on industrial flue gas revealed that the use of packing catalysts can reduce energy consumption by 27.56% and optimize the overall cost by 10.49%. The active sites present excellent stability in alkaline solvents. This work is the first to investigate the ability of high-technology readiness (technology readiness level at 6 (TRL 6)) for catalytic amine-solvent regeneration, providing valuable insights for potential applications involving efficient CO2 capture with catalyst assistance. © 2024 THE AUTHORS

关键词： Energy efficiency

来源：评论

学校读者我要写书评

暂无评论

Synchronization Stability of Grid-Tied VSC With control Limiters: Models, Solutions, and Boundaries

引用

IEEE Transactions on Energy Conversion 2024年

作者： Wu, Tianhao Jiang, Qirong Liu, Feng Huang, Meng Xie, Xiaorong State Grid Corporation of China National Power Dispatch and Control Center Beijing100031 China Tsinghua University State Key Laboratory of Power System Department of Electrical Engineering Beijing100084 China Wuhan University School of Electrical Engineering and Automation Wuhan430072 China

Existing studies on large-signal synchronization stability of the grid-following voltage-source converters (VSCs) have been focused on the phase-locked loop (PLL). Saturation nonlinearities introduced by current or voltage limiters, which can emerge during large disturbances, could greatly complicate the instability mechanism of PLL-synchronized converters. However, limited attention has been paid to such saturation-induced instability issues in prior work. This paper investigates the large-signal synchronization stability of grid-tied VSCs with full consideration to two typical kinds of saturation nonlinearities in the VSC's control system: the current hard limiter and the voltage circular limiter. The conditions under which the VSC may enter a saturated state are revealed. The impacts of hard and circular limiters on the system transient dynamics are analyzed separately. A unified differential equation (UDE) model that combines both kinds of limiters is proposed for quantitative analysis of synchronization stability. Subsequently, the averaging-theory-based analysis approximately solves the UDE model and provides the analytical large-signal stability boundaries of the system. The impacts of various factors, including operating conditions, PLL parameters, limiter thresholds, and active/reactive current control strategies, on the synchronization stability are investigated based on the proposed model. The effectiveness of theoretical analyses is validated via time-domain simulation and control hardware-in-the-loop tests. © 1986-2012 IEEE.

关键词： Phase locked loops

来源：评论

学校读者我要写书评

暂无评论

Research on power Electronics Converter Real-time simulation Modeling Method Based on SILDP

Research on Power Electronics Converter Real-time Simulation...

引用

power Science and Technology (ICPST), IEEE International Conference on

作者： Jin Liu Pengbo Han Zeqi Hong Hui Luo Siyang An Shujun Yao School of Electrical and Electronic Engineering North China Electric Power University Beijing China State Key Laboratory of HVDC Electric Power Research Institute China Southern Power Grid National Energy Power Grid Technology R&D Centre Guangzhou China Guangdong Provincial Key Laboratory of Intelligent Operation and Control for New Energy Power System Guangzhou China

ISBN: (数字)9798350349030

ISBN: (纸本)9798350349047

Generally, detailed model of power electronics converter is used in electromagnetic transient simulations. It will use large sources of hardware in FPGA and the speed of simulation is slow. This paper is focus on the modeling method of real-time simulation, and proposed a new model of converter which based on the semi-implicit latency decoupling and paralleling (SILDP) technology. According to the proposed model, the SILDP model of voltage source converter(VSC) is build up. Base on the comparative between the SILDP VSC model and the simulation result waveform of PSCAD model, give the verification that the accuracy and effectiveness of the proposed SILDP VSC model. Finally, the SILDP VSC model is finished the verification in the FPGA experiment platform.

关键词： Accuracy Computational modeling simulation Voltage Mathematical models Real-time systems Numerical models

来源：评论

学校读者我要写书评

暂无评论

Large-scale non-real-time simulation Platform for power systems Based on Cloud Computing

Large-scale non-real-time Simulation Platform for Power Syst...

引用

Energy, power and Electrical Engineering (EPEE), International Conference on

作者： Jingyue Zhang Yuanhong Lu Yufeng Hu Jie Zhang Haiping Guo Libin Huang Guangdong Provincial Key Laboratory of Intelligent Operation and Control for New Energy Power System Guangzhou China National Energy Power Grid Technology R&D Centre Guangzhou China China Southern Power Grid Co. Ltd Guangzhou China China Southern Power Grid State Key Laboratory of HVDC Electric Power Research Institute Guangzhou China

ISBN: (数字)9798331518066

ISBN: (纸本)9798331518073

The rapid evolution of smart grids has increased the complexity of power system structures and operational characteristics, presenting new challenges in system management and reliability. Traditional power system simulation tools struggle with non-real-time data processing and scalability due to limitations in their architectural designs. Moreover, existing cloud simulation platforms are constrained by closed hardware architectures and lack sufficient non-real-time capabilities. As a solution, we propose a novel large-scale non-real-time simulation platform for power systems based on cloud computing, designed with a modular architecture. By leveraging advanced technologies in cloud computing, parallel computing, and non-real-time simulation, our platform addresses critical needs for scalability, efficiency, and cost-effectiveness. We discuss how integrating these technologies enhances computational performance and supports complex simulation tasks, ultimately improving decision-making and operational efficiency in power system management.

关键词： Cloud computing Scalability power system management Decision making Computer architecture Parallel processing Data processing Computational efficiency Smart grids Reliability

来源：评论

学校读者我要写书评

暂无评论

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案：

请选择收藏分类：

通借通还

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：