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The Adaptive Model of Demand-Side Electricity Market Based on the Blockchain 基于区块链的需求侧电力市场自适应模型
2020 IEEE Sustainable Power and Energy Conference (iSPEC) Pub Date : 2020-11-23 DOI: 10.1109/iSPEC50848.2020.9351111
Bin Du, Kaiwen Zeng, Haizhu Wang, Jianing Liu, Yufeng Tang
{"title":"The Adaptive Model of Demand-Side Electricity Market Based on the Blockchain","authors":"Bin Du, Kaiwen Zeng, Haizhu Wang, Jianing Liu, Yufeng Tang","doi":"10.1109/iSPEC50848.2020.9351111","DOIUrl":"https://doi.org/10.1109/iSPEC50848.2020.9351111","url":null,"abstract":"The demand-side electricity market is operated in a complex environment with a large number of participants. When the participants submit supply or demand bids to compete with each other, the system operators can't deal with kinds of the trading requirements efficiently. The trading model for demand side has been studied in these years. The distributed trading model is considered as an appropriate choice, but the credible technology is needed for the basic support. In this paper, the adaptive model of demand side electricity market is proposed based on the blockchain technology. The consortium blockchain system consists of the qualified participants. Once the trading is agreed by both sides, there would be a smart contract to make the trading be executed automatically, and all the related data is stored with strong encryption. The proposed model is demonstrated by the numerical example.","PeriodicalId":403879,"journal":{"name":"2020 IEEE Sustainable Power and Energy Conference (iSPEC)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126142654","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 Scheme of Multifunctional Electric Energy Meter Based on Distributed Sampling Method 基于分布式采样法的多功能电能表设计方案
2020 IEEE Sustainable Power and Energy Conference (iSPEC) Pub Date : 2020-11-23 DOI: 10.1109/iSPEC50848.2020.9350969
Runyi Wang, Yuping Li, Wei Zhang, Feng Kang, Dong Chen, Yinian Qi
{"title":"Design Scheme of Multifunctional Electric Energy Meter Based on Distributed Sampling Method","authors":"Runyi Wang, Yuping Li, Wei Zhang, Feng Kang, Dong Chen, Yinian Qi","doi":"10.1109/iSPEC50848.2020.9350969","DOIUrl":"https://doi.org/10.1109/iSPEC50848.2020.9350969","url":null,"abstract":"This paper investigates and studies the functions and principles of various electric energy metering devices. Meanwhile, it deeply studies mainstream power theories and analyzes both the advantages and disadvantages of them. Combining the actual operation characteristics of power grid, this paper presents a design scheme of multifunctional electric energy meter. This scheme implements a distributed sampling method for electrical analog quantities, uses different filter circuits to achieve different processing of the same signals, and finally configures a variety of metering functions to reflect the different characteristics of the power grid. This scheme can not only realize the accurate metering of active and reactive energy, but also analyze the power distribution of the fundamental wave and each harmonic, which is helpful for the identification of the harmonic sources. Generally, it could better serve the reactive power compensation and the control of system parameters to improve power quality to a large extent.","PeriodicalId":403879,"journal":{"name":"2020 IEEE Sustainable Power and Energy Conference (iSPEC)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126183582","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 Practical Power Prediction and Error Correction Method for Distributed PV based on the Spatial Correlation 一种实用的基于空间相关性的分布式光伏发电功率预测与误差校正方法
2020 IEEE Sustainable Power and Energy Conference (iSPEC) Pub Date : 2020-11-23 DOI: 10.1109/iSPEC50848.2020.9351207
Yinchi Shao, Haiyu Li, Linlin Wu, Yang Liu, Hanbing Gao, Deyu Li
{"title":"A Practical Power Prediction and Error Correction Method for Distributed PV based on the Spatial Correlation","authors":"Yinchi Shao, Haiyu Li, Linlin Wu, Yang Liu, Hanbing Gao, Deyu Li","doi":"10.1109/iSPEC50848.2020.9351207","DOIUrl":"https://doi.org/10.1109/iSPEC50848.2020.9351207","url":null,"abstract":"The rapid installation of distributed photovoltaic (PV) in the distribution network has caused challenges to the load forecasting and the safety of the grid, which is urgent to realize accurate prediction of distributed PV at a small cost. A practical power prediction method for low-voltage distributed PV based on the spatial correlation was proposed. Firstly, a reference PV station (RPS) was selected based on the spatial correlation principle of adjacent regions, and the electricity output correlation between distributed PV and RPS was established through historical output data. Then, the predicted power of distributed PV was calculated with the power prediction data of the RPS considering the output correlation. Thirdly, three kinds of error sources related to the proposed method were analyzed. Based on the error analysis, an error correction method for capacity constraint and generating performance difference between distributed PV and RPS was proposed. Some typical distributed PVs in Chengde were demonstrated to verify the effectiveness of the method.","PeriodicalId":403879,"journal":{"name":"2020 IEEE Sustainable Power and Energy Conference (iSPEC)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129385004","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
Real-time Optimal Operation of Microgrid with Power-to-hydrogen 电改氢微电网的实时优化运行
2020 IEEE Sustainable Power and Energy Conference (iSPEC) Pub Date : 2020-11-23 DOI: 10.1109/iSPEC50848.2020.9351164
Zhiyao Zhong, Danji Huang, Kewei Hu, X. Ai, Jiakun Fang
{"title":"Real-time Optimal Operation of Microgrid with Power-to-hydrogen","authors":"Zhiyao Zhong, Danji Huang, Kewei Hu, X. Ai, Jiakun Fang","doi":"10.1109/iSPEC50848.2020.9351164","DOIUrl":"https://doi.org/10.1109/iSPEC50848.2020.9351164","url":null,"abstract":"Hydrogen plays an important role in the decarbonization of the future energy system. Power-to-hydrogen (PtH) is considered an essential connection between electric power system and hydrogen energy system. However, there are few works on the real-time operation of the above two systems. This paper proposes a real-time optimization operation model for the microgrid with the power-to-hydrogen device. In the model, hydrogen is produced by PtH device and stored in the storage tank, which then powers fuel cell electric vehicles. Model predictive control (MPC) and myopic policy are adopted to solve the optimization problem. Finally, several cases are designed to indicate the effect of PtH device and the performance of different algorithms. Results show that in the microgrid with hydrogen demand, PtH device can improve the operation economy and reduce the operational cost. Besides, MPC performs better than myopic policy in real-time optimization.","PeriodicalId":403879,"journal":{"name":"2020 IEEE Sustainable Power and Energy Conference (iSPEC)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128489267","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: 1
Research on Service-Oriented Substation Wide-Area Operation and Maintenance System and Its Application 服务型变电站广域运维系统及其应用研究
2020 IEEE Sustainable Power and Energy Conference (iSPEC) Pub Date : 2020-11-23 DOI: 10.1109/iSPEC50848.2020.9350963
Feng Liang, X. Liang, Shanglin Yang, H. Pan
{"title":"Research on Service-Oriented Substation Wide-Area Operation and Maintenance System and Its Application","authors":"Feng Liang, X. Liang, Shanglin Yang, H. Pan","doi":"10.1109/iSPEC50848.2020.9350963","DOIUrl":"https://doi.org/10.1109/iSPEC50848.2020.9350963","url":null,"abstract":"The substation has the features of a large quantity and wide-area distribution. With the promotion of unattended mode, it has become increasingly difficult to adapt to the needs of smart grid development using traditional field-based automatic equipment operation and maintenance(O&M) method. Meanwhile, there is a shortage of professional and technical personnel, and the O&M technology of a large number of intelligent heterogeneous secondary equipment is complicated and challenging to maintain. Therefore, it is urgent to solve the problems of O&M efficiency, timeliness and technical complexity of a large number of substations. Based on the service-oriented idea, this article has designed the overall structure of the trinity of service management center, O&M center and O&M substation. This paper also proposes a GSP-based service standardization interaction mechanism. Through Safety management and control process of O&M service, O&M advanced applications are designed to achieves the automation equipment specification, safe and reliable remote operation and maintenance.","PeriodicalId":403879,"journal":{"name":"2020 IEEE Sustainable Power and Energy Conference (iSPEC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129631962","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
Review on Transient Voltage Stability of Power System 电力系统暂态电压稳定性研究进展
2020 IEEE Sustainable Power and Energy Conference (iSPEC) Pub Date : 2020-11-23 DOI: 10.1109/iSPEC50848.2020.9351059
Xuan Li, Zhaowei Li, Linlin Guan, Ling Zhu, Fusuo Liu
{"title":"Review on Transient Voltage Stability of Power System","authors":"Xuan Li, Zhaowei Li, Linlin Guan, Ling Zhu, Fusuo Liu","doi":"10.1109/iSPEC50848.2020.9351059","DOIUrl":"https://doi.org/10.1109/iSPEC50848.2020.9351059","url":null,"abstract":"In recent years, there have been frequent blackouts caused by voltage instability worldwide, causing huge economic losses. The highly centralized load center at the receiving end needs to feed a lot of energy from the remote power center in China, which makes the transmission capacity of the power grid closer to the transmission limit, and the transient voltage stability is facing severe challenges. Therefore, it is of great significance to study the transient voltage stability in depth. This paper reviews the research achievements of transient voltage stability in the past 20 years, and combs the main content of transient voltage stability research in detail, such as the definition, classification, analysis method, instability mechanism and stability criterion of transient voltage stability. Finally, the key issues in the study of transient voltage stability, such as instability mechanism, analysis methods and load models, are discussed.","PeriodicalId":403879,"journal":{"name":"2020 IEEE Sustainable Power and Energy Conference (iSPEC)","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129659050","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: 4
Analysis of the Influence of Voltage Recovery Process on Line Selection Device When Single-phase Grounding Fault Is Removed 单相接地故障排除时电压恢复过程对选线装置的影响分析
2020 IEEE Sustainable Power and Energy Conference (iSPEC) Pub Date : 2020-11-23 DOI: 10.1109/iSPEC50848.2020.9351194
Dong Chen, Bing Hu, Yuping Li, Wei Zhang, Yinian Qi, Runyi Wang
{"title":"Analysis of the Influence of Voltage Recovery Process on Line Selection Device When Single-phase Grounding Fault Is Removed","authors":"Dong Chen, Bing Hu, Yuping Li, Wei Zhang, Yinian Qi, Runyi Wang","doi":"10.1109/iSPEC50848.2020.9351194","DOIUrl":"https://doi.org/10.1109/iSPEC50848.2020.9351194","url":null,"abstract":"The behavior of line protection device with line selection function after single-phase grounding fault occurred in non-effectively grounded system is analyzed. After the fault line was selected and tripped, due to the long attenuation time of zero sequence voltage, the device misjudged that the fault was not removed, and wrongly reclosed the fault line, which led to the further development of the fault. In this paper, the voltage recovery process after fault is removed is analyzed and verified by simulation test. Finally, considering the influence of voltage recovery process, an optimal algorithm applicable for various types of line selection devices is proposed to accurately judge whether the fault is removed after the line is selected and tripped, and to improve the operation accuracy of the whole process of single-phase grounding fault.","PeriodicalId":403879,"journal":{"name":"2020 IEEE Sustainable Power and Energy Conference (iSPEC)","volume":"933 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127020991","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: 2
A Method to Prevent and Control the Interruption Exception of Sampling in Merging Unit 一种防止和控制合并单元中采样中断异常的方法
2020 IEEE Sustainable Power and Energy Conference (iSPEC) Pub Date : 2020-11-23 DOI: 10.1109/iSPEC50848.2020.9350977
Rui Cao, Zhaohui He, Tonghua Wu, Bin Zhou, Zhonglang Wang, Xindong Li
{"title":"A Method to Prevent and Control the Interruption Exception of Sampling in Merging Unit","authors":"Rui Cao, Zhaohui He, Tonghua Wu, Bin Zhou, Zhonglang Wang, Xindong Li","doi":"10.1109/iSPEC50848.2020.9350977","DOIUrl":"https://doi.org/10.1109/iSPEC50848.2020.9350977","url":null,"abstract":"As the sampling interruption is the heartbeat of merging unit, its stability is directly related to the accuracy and discreteness of the output SV packets of merging unit. To prevent the output error from merging unit when its sampling interruption is abnormal, this paper proposes crystal frequency monitoring technology, sampling interruption monitoring technology and SV packets timing monitoring technology, forming the prevention and control system of sampling interruption exception of merging unit. The merging unit developed by above technology has the function of early warning and processing for the occasional sampling interruption exception, which improves the reliability of intelligent substation operation.","PeriodicalId":403879,"journal":{"name":"2020 IEEE Sustainable Power and Energy Conference (iSPEC)","volume":"303 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127175420","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
An improved test bench for phase-leg based on IEGT 3L-NPC inverter 基于IEGT 3L-NPC逆变器的相腿试验台的改进
2020 IEEE Sustainable Power and Energy Conference (iSPEC) Pub Date : 2020-11-23 DOI: 10.1109/iSPEC50848.2020.9351099
Shu Wang, Jun Ma
{"title":"An improved test bench for phase-leg based on IEGT 3L-NPC inverter","authors":"Shu Wang, Jun Ma","doi":"10.1109/iSPEC50848.2020.9351099","DOIUrl":"https://doi.org/10.1109/iSPEC50848.2020.9351099","url":null,"abstract":"Three-level neutral point clamped (3L-NPC) phase-leg, as the core component of the inverter, directly determines its performance. The design scheme of 3L-NPC is considered through simulations and calculations. To research and evaluate the characteristic of the designed phase-leg further on the basis of injection-enhanced gate transistors (IEGTs), a test bench of 3L-NPC is developed via an FPGA-based control system and graphical user interface (GUI). A test bench, which can easily assess the feasibility of the design configuration, is provided. Moreover, a test method is presented in this paper to simulate the real operating mode and evaluate the electrical effect of the phase-leg for the 3L-NPC inverter. This method effectively provides test results through full-power device action and measurement. Furthermore, the test bench provides effective means for testing the phase-leg, which is of theoretical and realistic significance to the design of a reliable 3L-NPC.","PeriodicalId":403879,"journal":{"name":"2020 IEEE Sustainable Power and Energy Conference (iSPEC)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122356203","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
Research on Hybrid Energy Storage System with High Power Density and High Energy Density 高功率密度和高能量密度混合储能系统的研究
2020 IEEE Sustainable Power and Energy Conference (iSPEC) Pub Date : 2020-11-23 DOI: 10.1109/iSPEC50848.2020.9351054
Qingbo Mao, X. Gong, Shifu Liu, Dongwei Shi, Zhixin Wang, D. Liu
{"title":"Research on Hybrid Energy Storage System with High Power Density and High Energy Density","authors":"Qingbo Mao, X. Gong, Shifu Liu, Dongwei Shi, Zhixin Wang, D. Liu","doi":"10.1109/iSPEC50848.2020.9351054","DOIUrl":"https://doi.org/10.1109/iSPEC50848.2020.9351054","url":null,"abstract":"In this paper, a new type of hybrid energy storage system with high power density and high energy density and its power regulation method was studied, so as to meet the renewable energy power to tame, micro power grid operation control, power grid peak clipping in valley, wind/photo-voltaic energy storage power supply joint diversification of power grid environment, such as power supply, emergency power supply for long-term energy supply of energy storage system power throughput and performance requirements, and can effectively reduce the cost of investment, energy storage system for energy storage system of large-scale commercial operation provides an effective technical route.","PeriodicalId":403879,"journal":{"name":"2020 IEEE Sustainable Power and Energy Conference (iSPEC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131086910","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: 1
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