检索结果-南通市图书馆

Study on multi-timescale operation of hydrogen-containing energy coupled with transportation system

Clean Energy 2024年第3期8卷 79-94页

作者： Xingang Wang Zhiyong Yu Jiayu Bian Jin Yu state grid xinjiang electric power CO LTD.Urumqi830000China state grid xinjiang electric power economic and technology research institute Urumqi830000China

With the widespread attention on hydrogen energy,the operation optimization of the coupling system of hydrogen energy and transportation has become a critical ***,this study develops a hydrogen-containing energy transportation coupling system for the system collaborative operation framework,operation mode and equipment modelling of the ***,a medium-to long-term operation optimization model and a short-term operation optimization model were constructed considering the differences in the operation of coupled systems at different timescales and operating costs as the objective function and power balance and system equipment as *** the medium-and long-term operation optimization model,the planning scenario reduction method is used to reduce the wind power generation *** the short-term operation optimization model,a multivariate uncertainty model is constructed to represent the uncertainty in the coupling ***,the solution method of the model is ***,a coupled system is simulated to verify the effectiveness of the model.(i)When the initial scene set is 600,the typical scene reduction method using Latin hypercube sampling and the Wasserstein distance can reduce operating costs by 7.60%and 9.49%compared with K-means reduction and K-media reduction methods.(ii)The sensitivity coefficients of hydrogen sales price,electricity sales price and maintenance rate to operating costs are-0.031%,-1.009%and 0.0105%,respectively.(iii)Considering multiple uncertainties can help make optimal decisions based on the overall consideration of disadvantage scenarios,thereby reducing system operating costs.

关键词： hydrogen-containing energy system transportation system multi-timescale operation optimization

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Discharge characteristics of different lightning air terminals under composite voltages

引用

Plasma Science and technology 2019年第5期21卷 1-4页

作者： Chijie ZHUANG Zezhong WANG Rong ZENG Lei LIU Te LI Min LI Yingzhe CUI Jinliang HE Department of electrical Engineering Tsinghua University state grid Jibei electric economic research institute China Southern grid (CSG) electric power research institute electric power research institute of Zhejiang power grid

Different types of lightning air terminals have been designed over the *** regarding the effect of different types of air terminals,especially the early streamer emission(ESE)-type,remains *** paper describes the discharge characteristics of different types of air terminals,two of which are quite similar to the ESE-type dynasphere,and concludes that the tested non-standard air terminals have discharge characteristics similar to those of Franklin rods and that their lightning protection performance should be similar.

关键词： air terminal lightning protection discharge characteristics composite voltage leader

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Flexible resource allocation optimization model considering global K-means load clustering and renewable-energy consumption

引用

Clean Energy 2024年第5期8卷 129-143页

作者： Jie Jiao Puyu He Yuhong Zhang Jiyuan Zhang Zhuhan Long Hanjing Liu state grid Sichuan electric power Company economic research institute ChengduChina

Vigorously developing flexible resources in power systems will be the key to building a new power system and realizing energy *** investment construction cost and operation cost of various flexible resources are different,and the adjustment ability is different in different ***,the optimization of complementary allocation of various resources needs to take into account the economy and adjustment ability of different *** this paper,the global K-means load clustering model is pro-posed and the 365-day net load is reduced to eight typical daily net loads by ***,a two-level optimization model of flexible resource complementary allocation considering wind power and photovoltaic consumption is *** flexible resources involved include the flexible transformation of thermal power,hydropower,pumped storage,energy storage,and demand *** upper-layer model optimizes the capacity allocation of various flexible resources with the minimum investment and construction cost as the goal and the lower layer optimizes the operating output of various units with the minimum operating cost as the *** results of the example analysis show that the flexible capacity of thermal power units has nothing to do with the abandonment rate of renewable *** the abandonment rate of renewable energy decreases,the optimal capacity of pumped storage,electrochemical energy storage,and hydropower units *** the power-abandonment rate of renewable energy is 5%,the optimal allocation capacity of thermal power flexibility transformation,pumped storage,electrochemical energy storage,hydropower unit,and adjustable load in Province A is 5313,17090,5830,72113,and 4250 MW,*** the condition that the renewable-energy abandonment rate is 0,5%,and 10%respectively,the configured capacity of pumped storage is 20000,17090,and 14847 MW,respectively.

关键词： wind power photovoltaic power K-means clustering algorithm flexible resources complementary configuration operation optimization

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Performance evaluation for sustainability of wind energy project using improved multi-criteria decision-making method

引用

Journal of Modern power Systems and Clean Energy 2019年第5期7卷 1165-1176页

作者： Jiahui WU Haiyun WANG Weiqing WANG Qiang ZHANG College of electrical Engineering Xinjiang UniversityUrumqi 830047China state grid xinjiang electric power research institute Urumqi 830011China

Wind power can be an efficient way to alleviate energy shortage and environmental pollution,and to realize sustainable development in terms of energy *** sustainability assessment of a wind project among its alternatives is a complex task that cannot be solely simplified to environmental or economic *** requires the consideration of its technological and social aspects as well as other *** paper proposes a new method for selecting the most sustainable wind *** method is based on multi-criteria decision-making *** analytic hierarchy process and entropy weight method are combined to determine the weights of evaluation indexes,and an innovative index-weight optimization method based on the Lagrange conditional extremum *** fuzzy technique for order preference by similarity to the ideal solution is applied to rank wind project alternatives considering functionality and proportionality of the ***,the sensitive analysis is applied to verify the robustness of the proposed *** applicability of the method is demonstrated on a case study from China,where three main wind projects are analytically compared and *** results indicated that the sustainable level of calculated wind power can provide a reference point for the planning and operation of the wind *** results show that the proposed method is of both theoretical significance and practical application in engineering.

关键词： Analytic hierarchy process Comprehensive evaluation index Entropy method Fuzzy technique Order preference Wind power sustainability level

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Decomposition analysis of CO_(2) emissions of electricity and carbon-reduction policy implication: a study of a province in China based on the logarithmic mean Divisia index method

引用

Clean Energy 2023年第2期7卷 340-349页

作者： Fuyuan Yang Xiaobin Yang Xueqin Tian Xinlei Wang Tong Xu state grid economic and Technological research institute Co. LtdBeijing102209China state grid Jiangxi electric power research institute State Grid Jiangxi Electric Power Co.LtdNanchangChina

As the proportion of electricity in final energy consumption gradually increases,CO_(2) emissions reduction actions in the power system will become the key to achieving China’s carbon-peak and carbon-neutrality *** is essential to analyse and quantify the driving forces of CO_(2) emissions from electricity generation in the fossil-rich area in *** paper aims to identify the characteristics of CO_(2) emissions generated by electricity and provide a basis for formulating CO_(2)-reduction policies in power ***,we analyse the current state of CO_(2) emissions from electricity generation in Anhui Province that was dominated by fossil energy during the period ***,we apply the logarithmic mean Divisia index method to find the nature of the factors influencing the changes in CO_(2) ***,we analyse the CO_(2)-reduction measures of each side of the source-network-load-storage of the power system in Anhui through a power-system carbon-reduction path analysis model proposed in this study and provide policy *** results showed the following.(i)CO_(2) emissions in Anhui Province continued to increase from 2010 to 2019 and the trend in the growth rate of CO_(2) emissions presented approximately a u-shaped curve.(ii)economic activity has always been the dominant factor driving the growth of electricity CO_(2) *** increase in the proportion of renewable energy in power generation,the improvement in thermal power-conversion efficiency and the decrease in the intensity of power consumption are the three major driving factors for the reduction in CO_(2) emissions from power generation in Anhui.(iii)The CO_(2)-reduction measures of the power system are provided in each link of the source-network-load-storage,such as developing the photovoltaic industry and building energy storage,upgrading and transforming coal-fired power stations,redu-cing the loss rate of transmission lines on the grid side and improving the efficiency

关键词： CO_(2)emissions LMDI electricity generation carbon-reduction measures

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Optimal scheduling of flexible grid-side resources and auxiliary service cost allocation model considering renewable-energy penetration

引用

Clean Energy 2024年第4期8卷 90-102页

作者： Bin Bai Yanli Xiao Rui Zhao Xin Ju Shangke Liu state grid Ningxia electric power Co. Ltd.Economic Technology Research InstituteYinchuan 750011China

Renewable energy has penetrated power grid enterprises on a large *** to the intermittency and volatility of renewable energy generation,it is necessary to build new flexible grid-side resources to ensure the safe and stable operation of the power grid,which will cause great pressure on cost allocation for power grid *** article considers four types of flexible grid-side resources and constructs a dual-level configuration optimization model for flexible grid-side resources under the penetration of renewable en*** on the configuration results,the cost scale of flexible grid-side resources is estimated and an improved ancillary service cost allocation model based on the Shapley value method is proposed to smooth the allocation of ancillary service costs in the cost of flexible grid-side resources between the two main bodies of renewable energy and *** calculation results show that,when the penetration rate of renewable-energy power is 30%and 35%,respectively,the cost of flexible grid-side resources is 9.606 billion yuan and 21.518 billion yuan,*** proportion of ancillary service costs allocated to load is relatively high-about five times that of the ancillary service costs allocated to renewable energy-and the higher the penetration rate of renewable energy,the higher the proportion of ancillary service costs allocated to renewable energy.

关键词： renewable-energy penetration flexible grid-side resources ancillary service costs Shapley allocation model

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Analysis of the Quasi-Static Buffeting Responses of Transmission Lines to Moving Downburst

引用

Computer Modeling in Engineering & Sciences 2020年第7期124卷 287-302页

作者： Qigang Sun Jian Wu Dahai Wang Yue Xiang Haitao Liu Xiaobin Sun economic and technology research institute of state grid Shandong electric power Company Jinan250000China Wuhan University of technology Wuhan430070China state grid Shandong electric power Company Jinan250000China

Downburst event is identified as a major cause to failure of transmission lines in non-coastal *** this paper,a novel nonlinear analytical frame for quasi-static buffeting responses of hinged and multi-span insulator-line systems are derived based on the theory of cable *** closed-form solutions are presented and applied to predict nonlinear response including displacements and other reactions of the system subjected to a moving downburst wind in a case *** and efficiency of the derived analytical frame are validated via comparisons with results from finite element method.

关键词： Downburst wind transmission line buffeting responses cable quasistatic

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

System Modeling and Optimal Dispatching of Multi-energy Microgrid with Energy Storage

引用

Journal of Modern power Systems and Clean Energy 2020年第5期8卷 809-819页

作者： Liting Tian Lin Cheng Jianbo Guo Kuihua Wu Department of Elec trical Engineering Tsinghua UniversityBeijingChina China electric power research institute BeijingChina economic&technology research institute State Grid Shan dong Electric Power CompanyJinanShandongChina

The coordinated operation and comprehensive utilization of multi-energy sources require systematic research.A multi-energy microgrid(MEMG)is a coupling system with multiple inputs and *** this paper,a system model based on unified energy flows is proposed to describe the static relationship,and an analogue energy storage model is proposed to represent the time-dependency characteristics of energy transfer ***,the optimal dispatching model of an MEMG is established as a mixed-integer linear programming(MILP)problem using piecewise linear approximation and convex ***,the system model and optimal dispatching method are validated in an MEMG,including district electricity,natural gas and heat supply,and renewable *** proposed model and method provide an effective way for the energy flow analysis and optimization of MEMGs.

关键词： Energy flow energy storage multi-energy microgrid(MEMG) optimal dispatching

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Bi-level Coordinated Planning of Active Distribution Network Considering Demand Response Resources and Severely Restricted Scenarios

引用

Journal of Modern power Systems and Clean Energy 2021年第5期9卷 1088-1100页

作者： Huang Yixin Lin Zhenzhi Liu Xinyi Yang Li Dan Yangqing Zhu Yanwei Ding Yi Wang Qin College of electrical Engineering Zhejiang UniversityHangzhouChina state grid Zhejiang economic research institute HangzhouChina state grid Ningbo power Supply Company HangzhouChina electric power research institute Palo AltoUSA

Due to the uncertainty and fluctuation of distributed generation(DG)and load,the operation of active distribution network(ADN)is affected by multi-dimension factors which are described by massive operation *** and accurate screening of severely restricted scenarios(SRSs)has become a new challenge in ADN *** this paper,a novel bi-level coordinated planning model which combines the short-time-scale operation problem with the long-time-scale planning problem is *** the upper level,the demand response(DR)resource,an effective non-component planning resource characterized by low capacity price,high energy price,and short contract term,is co-optimized with the configuration of lines and energy storage systems(ESSs)to achieve the economic trade-off between the investment cost and the operation cost under *** the lower level,with the planning scheme obtained from the upper level,massive operation problems are optimized to minimize the daily operation cost;and the SRSs are provided to the upper level through a shadow-price-based scenario screening method,which simulates the planning information(i.e.,the restricted degrees of operation scenarios)feedback process from ADN operators to ADN *** studies on a 62-node distribution system in Jianshan New District,Zhejiang Province,China,illustrate the effectiveness of the proposed bi-level coordinated planning model considering DR resources and SRSs.

关键词： Active distribution network demand response resource bi-level coordinated planning severely restricted scenario screening shadow price

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

HPDS133-bus:A Benchmark Test System for Distribution Systems with High Penetration of Distributed Generation

引用

CSEE Journal of power and Energy Systems 2023年第3期9卷 963-977页

作者： Fengzhang Luo Chongbo Sun Xin Yang Tianyu Zhang Chengshan Wang Jun Xiao Liangzhong Yao Lingzhi Zhu Minhui Qian Key Laboratory of Smart grid of Ministry of Education Tianjin UniversityTianjin 300072China state grid economic and technology research institute Co. Ltd.Changping DistrictBeijing 102209China Ultra High Voltage Company State Grid Henan Electric Power CompanyZhengzhou 450007China economic and technology research institute State Grid Tianjin Electric Power CompanyTianjin 300171China School of electrical Engineering and Automation Wuhan UniversityWuhan 430072China China electric power research institute Xiaoying RoadBeijing 100192China

The benchmark test system for distribution systems is necessary and important for system analysis and result data *** order to meet the development demand of the distribution systems which integrate with a high penetration of distributed generation(DG),a benchmark test system for the distribution systems which adapts to current and future development trends is *** on the concentric zone theory and the typical regional settlement model in China,three typical distribution system scenarios corresponding to different system circle structures and regional development characteristics are designed in this *** order to adapt to the trend that the distribution systems will present the mixed state of AC and DC,a typical improvement scheme of distribution systems in urban scenario is *** benchmark test system of low-voltage distribution systems in a rural scenario is also designed because of the high penetration of ***,the system structure,load parameters,integrated capacity and output characteristics of varies types of DG in different scenarios are described in ***,the simulation results,such as the time series power flow,reliability evaluation and hosting capacity of DGs are *** benchmark test system proposed in this paper will lay a foundation for future research on distribution systems with a high proportion of DG and effectively support the distribution systems planning,design,operations and dispatches.

关键词： Benchmark test system distribution systems DG PV typical scenario

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

欢迎您,

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

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

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

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

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：