2021 IEEE Sustainable Power and Energy Conference (iSPEC)最新文献_第3页

Study on Frequency Probability Distribution Characteristics of Power System with Wind Power 风电电力系统频率概率分布特性研究

2021 IEEE Sustainable Power and Energy Conference (iSPEC) Pub Date : 2021-12-23 DOI: 10.1109/iSPEC53008.2021.9735513

Ju Sheng, Jianjun Sun, Qingyan Jia, Jiang-rong Che, Weihan Lin, Yingjie Tang

{"title":"Study on Frequency Probability Distribution Characteristics of Power System with Wind Power","authors":"Ju Sheng, Jianjun Sun, Qingyan Jia, Jiang-rong Che, Weihan Lin, Yingjie Tang","doi":"10.1109/iSPEC53008.2021.9735513","DOIUrl":"https://doi.org/10.1109/iSPEC53008.2021.9735513","url":null,"abstract":"The large amount of new energy makes the frequency fluctuation characteristics of the power system more complex. The traditional analysis method takes a long time, which makes the optimization analysis of power system frequency control not flexible enough. To solve these problems, this paper establishes the primary frequency regulation model of the wind power system, obtains the FPK equation about the frequency probability distribution density function of the system, and uses a double grid numerical algorithm. By relaxing in the fine grid region and modifying in the coarse grid region, combining the advantages of the finite element method and the finite difference method, the probability distribution function of the system frequency is obtained, which is effective. This method is compared with the traditional Monte Carlo simulation method and finite element method. Through this method, the influence of the proportion of wind power output and various frequency regulation parameters on the frequency probability distribution is analyzed. The simulation example also verifies the rationality of the analysis and the accuracy of the algorithm.","PeriodicalId":417862,"journal":{"name":"2021 IEEE Sustainable Power and Energy Conference (iSPEC)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116218956","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Design and Test of Overvoltage Monitoring Device for 500kV Smart Substation 500kV智能变电站过电压监测装置的设计与试验

2021 IEEE Sustainable Power and Energy Conference (iSPEC) Pub Date : 2021-12-23 DOI: 10.1109/iSPEC53008.2021.9735641

Zezhong Sun, Hui Yi, Xin Li, Weidong Liu, Qing Yang

{"title":"Design and Test of Overvoltage Monitoring Device for 500kV Smart Substation","authors":"Zezhong Sun, Hui Yi, Xin Li, Weidong Liu, Qing Yang","doi":"10.1109/iSPEC53008.2021.9735641","DOIUrl":"https://doi.org/10.1109/iSPEC53008.2021.9735641","url":null,"abstract":"With the continuous economy development, the requirements for the stability and reliability of power system are much higher. In order to improve the perception ability of equipments’ states, the construction of Smart Substation is rapidly carried out. Based on the actual needs of 500kV Smart Substation, this paper designs the overvoltage monitoring device based on series connected capacitor, and analyzes the key factors such as the measurement accuracy of voltage transformer with series connected capacitor and the influence of cable inductance on the measurement signal. Based on the actual parameter of 500kV Dinggong substation, the appropriate design parameters of monitoring devices are selected, and the measurement accuracy is verified on the worksite. The monitoring device designed in this paper has complete functions, and can realize high-amplitude and high-frequency overvoltage measurement. It has been applied in the project of 500kV Dinggong Smart Substation, which can provide support for fault analysis and insulation design, and is of great significance to ensure the safe and stable operation of power grid.","PeriodicalId":417862,"journal":{"name":"2021 IEEE Sustainable Power and Energy Conference (iSPEC)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122372186","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Hierarchical optimization of pumped hydro storage and electrochemical energy storage for new energy accommodation 面向新能源调节的抽水蓄能和电化学蓄能分层优化

2021 IEEE Sustainable Power and Energy Conference (iSPEC) Pub Date : 2021-12-23 DOI: 10.1109/iSPEC53008.2021.9735974

Shiyi Ma, Boyu Zhou, Xin-lei Wang, T. Xu, Fan Yang, Linjun Shi, Feng Wu, Yang Li

{"title":"Hierarchical optimization of pumped hydro storage and electrochemical energy storage for new energy accommodation","authors":"Shiyi Ma, Boyu Zhou, Xin-lei Wang, T. Xu, Fan Yang, Linjun Shi, Feng Wu, Yang Li","doi":"10.1109/iSPEC53008.2021.9735974","DOIUrl":"https://doi.org/10.1109/iSPEC53008.2021.9735974","url":null,"abstract":"Due to the output characteristics of wind power and photovoltaic power, large-scale access to wind power and photovoltaic power in the grid will lead to wind and photovoltaic power curtailment. Therefore, it is necessary to use pumped hydro storage and electrochemical energy storage to consume new energy. This study proposes a hierarchical optimization model of pumped hydro storage and electrochemical energy storage in synergistic accommodation of new energy. The upper model is the optimization of pumped storage power station, and the lower model is the optimization of electrochemical energy storage, both aiming to minimize the wind and photovoltaic power curtailment. By rationally arranging pumped hydro storage operation and configuring electrochemical energy storage capacity, the power curtailment can be reduced, thereby increasing the rate of new energy accommodation. The data of a certain power grid’s estimated wind and photovoltaic power curtailment in 2025 is selected for simulation, and the CPLEX solver is used to solve the problem. The simulation results verify the feasibility and effectiveness of the proposed model and solution method.","PeriodicalId":417862,"journal":{"name":"2021 IEEE Sustainable Power and Energy Conference (iSPEC)","volume":"165 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122783591","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A Low-cost Scheme for Regenerative Braking Energy Recycling and Negative Sequence Current Compensation of the electrified railway 电气化铁路制动能量再生回收及负序电流补偿的低成本方案

2021 IEEE Sustainable Power and Energy Conference (iSPEC) Pub Date : 2021-12-23 DOI: 10.1109/iSPEC53008.2021.9735793

Cheng Che, Jingjing Peng, Yanwen Wang, Q. Lu, Xianghong Liu, Yang Chen, Bangbang He

引用次数: 0

Flow Calculation of Flexible Interconnected Distribution Network with SOP 基于SOP的柔性互联配电网流量计算

2021 IEEE Sustainable Power and Energy Conference (iSPEC) Pub Date : 2021-12-23 DOI: 10.1109/iSPEC53008.2021.9736077

Guobang Ban, Yutao Xu, Yu-shan Luo, Li Jian, Xiaohong Ma, Xufeng Yuan, Huajun Zheng

引用次数: 0

Calculation Method of Renewable Energy Consumption Based on Sequential Production Simulation and Its Application 基于序贯生产仿真的可再生能源消费计算方法及其应用

2021 IEEE Sustainable Power and Energy Conference (iSPEC) Pub Date : 2021-12-23 DOI: 10.1109/iSPEC53008.2021.9735865

Bo Peng, Zhibo Yin, Yinglei Guo, Zhigen Xu, Wensheng Li, Liang Feng

引用次数: 0

Identification of Charging Behavior for Electric Bicycles based on Supervised Fisher Classifier 基于监督Fisher分类器的电动自行车充电行为识别

2021 IEEE Sustainable Power and Energy Conference (iSPEC) Pub Date : 2021-12-23 DOI: 10.1109/iSPEC53008.2021.9736023

Yu Zhou, Yi Tang, Xuecen Zhang, Zhuowen Mu, Fan Gao, Y. Yi, Yue Li

{"title":"Identification of Charging Behavior for Electric Bicycles based on Supervised Fisher Classifier","authors":"Yu Zhou, Yi Tang, Xuecen Zhang, Zhuowen Mu, Fan Gao, Y. Yi, Yue Li","doi":"10.1109/iSPEC53008.2021.9736023","DOIUrl":"https://doi.org/10.1109/iSPEC53008.2021.9736023","url":null,"abstract":"The abnormal charging behavior of electric bicycles may give rise to serious fire accidents. In order to avoid these risks, it is important to monitor the charging process of electric bicycles. Non-intrusive load monitoring (NILM) technology is proven to be an effective tool in this field. Existing studies mainly focus on using large amounts of transient data to learn the charging characteristics of electric bicycles, while transient data is not easily accessible considering smart meters installed at residential customer’s side mainly provide steady-state data for analysis. In light of this issue, we proposed a non-intrusive identification method of charging behavior for electric bicycles based on supervised fisher classifier. Firstly, the collected electrical data is preprocessed by filling in the missing values and deleting abnormal data. Afterwards, the supervised fisher classifier is utilized to classify the data and identify the charging behavior of electric bicycles. Simulation is carried out based on realistic data in MATLAB. Results show that the proposed method can accurately identify the charging behavior of electric bicycles.","PeriodicalId":417862,"journal":{"name":"2021 IEEE Sustainable Power and Energy Conference (iSPEC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116852575","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Optimal Resilience Enhancement Strategy for Power Distribution System with Line Reinforcement and Emergency Generator Placement 考虑线路加固和应急发电机配置的配电系统最优弹性增强策略

2021 IEEE Sustainable Power and Energy Conference (iSPEC) Pub Date : 2021-12-23 DOI: 10.1109/iSPEC53008.2021.9735857

Zeyuan Yu, G. Zou, Liangzheng Wu, Jigang Zhang, Zepeng Li

引用次数: 2

Concept and Method of the Observability and the Controllability Measure of Subsynchronous Oscillation Modes 次同步振荡模态的可观测性和可控性度量的概念和方法

2021 IEEE Sustainable Power and Energy Conference (iSPEC) Pub Date : 2021-12-23 DOI: 10.1109/iSPEC53008.2021.9735712

Zi-hao Liu, Xitian Wang, Shiyu Liu, Da Xie

引用次数: 0

Correlation analysis of transformer condition evaluation indexes based on association rules 基于关联规则的变压器状态评价指标相关性分析

2021 IEEE Sustainable Power and Energy Conference (iSPEC) Pub Date : 2021-12-23 DOI: 10.1109/iSPEC53008.2021.9735701

Lingming Kong, Ziwei Zhang, Guocheng Lin, W. Mo, L. Luan, Ziming Chen

引用次数: 0