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A Bi-level Programming Approach of Economic Dispatch of Electricity Retailers 电力零售商经济调度的双层规划方法
2023 5th Asia Energy and Electrical Engineering Symposium (AEEES) Pub Date : 2023-03-23 DOI: 10.1109/AEEES56888.2023.10114195
Rui Zhang, Zhe Chen, Yun Teng, Yunxu Hu
{"title":"A Bi-level Programming Approach of Economic Dispatch of Electricity Retailers","authors":"Rui Zhang, Zhe Chen, Yun Teng, Yunxu Hu","doi":"10.1109/AEEES56888.2023.10114195","DOIUrl":"https://doi.org/10.1109/AEEES56888.2023.10114195","url":null,"abstract":"In order to solve the economic dispatch problem of a typical retailer coping with the stochastic risk brought by the distributed generation and demand-side fluctuation, a bi-level optimization model with the introduction of random variables is proposed. In this model, the upper-level sub-problem aims to simulate the market clearing process of electricity and reserve auxiliary services, where market clearing price and market clearing electricity are the decision variables, while the lower-level sub-problem is formulated to minimize the costs of purchasing under time-of-use pricing given by the simulation of market clearing. The model is converted into a deterministic model by chance-constrained programming, and the equilibrium solution is obtained by iterations between the upper and lower layers, where the CPLEX solvers are employed to address the upper and lower level sub-problems, respectively. Finally, the impact of different confidence level on the decision carried out by retailers is clarified through the analysis of the numerical simulation of the bi-level optimization model. It is verified that the model can effectively reflect the impact of the decision-making behavior of retailers on the market clearing process.","PeriodicalId":272114,"journal":{"name":"2023 5th Asia Energy and Electrical Engineering Symposium (AEEES)","volume":"4192 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127571250","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
Demand Response Transaction Framework Based on Blockchain and Secure Multi-party Computation 基于区块链和安全多方计算的需求响应事务框架
2023 5th Asia Energy and Electrical Engineering Symposium (AEEES) Pub Date : 2023-03-23 DOI: 10.1109/AEEES56888.2023.10114253
L. Li, Ting Lv, Zhi Zhang, Ziqiang Zhou, Ying Yao, Yong Yan, Yunchu Wang, Zhenzhi Lin
{"title":"Demand Response Transaction Framework Based on Blockchain and Secure Multi-party Computation","authors":"L. Li, Ting Lv, Zhi Zhang, Ziqiang Zhou, Ying Yao, Yong Yan, Yunchu Wang, Zhenzhi Lin","doi":"10.1109/AEEES56888.2023.10114253","DOIUrl":"https://doi.org/10.1109/AEEES56888.2023.10114253","url":null,"abstract":"With the development of system-level demand response transactions, diversified demand side resources are participating in the interaction with the power grid, which intensifies the problem of data mutual trust between power grid companies and users. In this regard, the potential data trust problems in the process of DR market clearing and load reduction calculation are analyzed, including data leakage and data abuse. Then, a DR transaction framework based on blockchain is proposed with secret sharing based secure multi-party computation adopted. For user different quotation modes, additive secret sharing algorithm is introduced for DR market clearing, and polynomial interpolation-based secret sharing algorithm is adopted for the trusted calculation of user load reduction. Under the proposed DR transaction framework based on blockchain and secure multi-party computation, data mutual trust problems between power grid companies and users can be properly solved.","PeriodicalId":272114,"journal":{"name":"2023 5th Asia Energy and Electrical Engineering Symposium (AEEES)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127659008","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
Dynamic Operation Strategy of Battery Energy Storage System Considering Energy Arbitrage and Frequency regulation 考虑能量套利和频率调节的电池储能系统动态运行策略
2023 5th Asia Energy and Electrical Engineering Symposium (AEEES) Pub Date : 2023-03-23 DOI: 10.1109/AEEES56888.2023.10114236
Shengqi Zhang, Yilin Wang
{"title":"Dynamic Operation Strategy of Battery Energy Storage System Considering Energy Arbitrage and Frequency regulation","authors":"Shengqi Zhang, Yilin Wang","doi":"10.1109/AEEES56888.2023.10114236","DOIUrl":"https://doi.org/10.1109/AEEES56888.2023.10114236","url":null,"abstract":"With the rapid development of battery energy storage systems (BESS) in power system, the multifunctional application of BESS in the energy arbitrage and frequency regulation is regarded as an effective way in improving the economic benefits. However, current operation strategy for BESS cannot fully considered the time-varying demand of energy arbitrage and the randomness of frequency regulation. Thus, this paper proposes a dynamic operation strategy (DOS) by considering the randomness of frequency regulation, and the results of the DOS consist of two core parameters as arbitrage power and droop coefficient. At last, the promising results shown that the BESS DOS can adjust the dispatch priority of BESS resource according to demand of the energy arbitrage, and enable BESS continuously track the frequency deviation signals.","PeriodicalId":272114,"journal":{"name":"2023 5th Asia Energy and Electrical Engineering Symposium (AEEES)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129088113","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 Energy Router and Energy Management Strategy Based on Cyber-Physical Fusion 基于信息物理融合的能量路由器及能量管理策略研究
2023 5th Asia Energy and Electrical Engineering Symposium (AEEES) Pub Date : 2023-03-23 DOI: 10.1109/AEEES56888.2023.10114258
Qing Duan, Guanglin Sha, W. Sheng, Jian Gao, Genqi Chen, Xiaolei Li
{"title":"Research on Energy Router and Energy Management Strategy Based on Cyber-Physical Fusion","authors":"Qing Duan, Guanglin Sha, W. Sheng, Jian Gao, Genqi Chen, Xiaolei Li","doi":"10.1109/AEEES56888.2023.10114258","DOIUrl":"https://doi.org/10.1109/AEEES56888.2023.10114258","url":null,"abstract":"In order to improve the friendly interaction and control ability of \"source network load and storage\" in distribution network, an AC-DC hybrid distribution network architectture based on multi-port energy router is proposed. The interface information is obtained by establishing the information physical model of each unit in the proposed architecture, and the system energy management scheme is designed. According to the designed energy management scheme, the coordinated control strategy of energy balance among distributed generation, energy storage system, distribution network and load is studied. The working mode and switching of the system are determined only by the interface information, without additional centralized controller, which improves the reliability of the system. Finally, MATLAB software was used to build a simulation platform to verify the effectiveness of the proposed DC hybrid distribution network energy router topology and energy management scheme.","PeriodicalId":272114,"journal":{"name":"2023 5th Asia Energy and Electrical Engineering Symposium (AEEES)","volume":"153 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127302913","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
The Influence of Friction Coefficient on Bolt Looseness under Low Frequency Vibration via Finite Element Analysis 低频振动下摩擦系数对螺栓松动影响的有限元分析
2023 5th Asia Energy and Electrical Engineering Symposium (AEEES) Pub Date : 2023-03-23 DOI: 10.1109/AEEES56888.2023.10114113
Jialun Yang, Bin Zhao, Bin Liu, Lingzhi Xia
{"title":"The Influence of Friction Coefficient on Bolt Looseness under Low Frequency Vibration via Finite Element Analysis","authors":"Jialun Yang, Bin Zhao, Bin Liu, Lingzhi Xia","doi":"10.1109/AEEES56888.2023.10114113","DOIUrl":"https://doi.org/10.1109/AEEES56888.2023.10114113","url":null,"abstract":"Conductor galloping may lead to the looseness of bolted joints of power transmission towers. The friction coefficient plays a key role in the looseness performance of bolted joints. This paper analyzes the influence of friction coefficient on bolt looseness under low frequency vibration via finite element analysis. The results shows that the residual preload increases with the increase of friction coefficient.","PeriodicalId":272114,"journal":{"name":"2023 5th Asia Energy and Electrical Engineering Symposium (AEEES)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127325953","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
Gridding Method of Active Distribution Network Considering Distributed Generation and Electric Vehicle 考虑分布式发电和电动汽车的有源配电网网格划分方法
2023 5th Asia Energy and Electrical Engineering Symposium (AEEES) Pub Date : 2023-03-23 DOI: 10.1109/AEEES56888.2023.10114212
Zhijie Liu, Shouzhen Zhu, Zhenhai Zhang, P. Zhang
{"title":"Gridding Method of Active Distribution Network Considering Distributed Generation and Electric Vehicle","authors":"Zhijie Liu, Shouzhen Zhu, Zhenhai Zhang, P. Zhang","doi":"10.1109/AEEES56888.2023.10114212","DOIUrl":"https://doi.org/10.1109/AEEES56888.2023.10114212","url":null,"abstract":"With the large-scale access of distributed generation and electric vehicles, the \"source and load\" of active distribution network presents uncontrollable volatility and uncertainty. The passive grid generation method has been unable to keep up with the influence that operation, maintenance and management of distribution network brought by the volatility and uncertainty of the \"source and load\". New grid generation methods are urgently needed to adapt to the rapid development of active distribution networks. In this paper, a grid generation strategy for active distribution networks considering distributed generation and electric vehicles is proposed. Firstly, the uncertainty is modeled, and the uncertainty probability model of distributed generation and electric vehicle is built; Then, with the goal of maximizing the consumption rate of distributed generation and minimizing the line loss, the bacterial foraging algorithm is used to improve the particle swarm search formula to achieve network reconstruction and optimization, and the mesh can be re- divided; Finally, the IEEE94 node system including distributed power generation and electric vehicle is used for simulation. The results show that the distributed energy consumption rate of the proposed algorithm is increased by 17 percentage points, and the daily line loss is reduced by 27.2 percentage points, which verifies the effectiveness of the proposed division method.","PeriodicalId":272114,"journal":{"name":"2023 5th Asia Energy and Electrical Engineering Symposium (AEEES)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132664050","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
Operation Optimization Model for Photovoltaic User Group with Shared Storage and Demand Response 具有共享存储和需求响应的光伏用户群运行优化模型
2023 5th Asia Energy and Electrical Engineering Symposium (AEEES) Pub Date : 2023-03-23 DOI: 10.1109/AEEES56888.2023.10114187
Shuqi Jiang, Jingda Gu, Pu Zhang, Wei Li, Fangmin Wang, W. Pei
{"title":"Operation Optimization Model for Photovoltaic User Group with Shared Storage and Demand Response","authors":"Shuqi Jiang, Jingda Gu, Pu Zhang, Wei Li, Fangmin Wang, W. Pei","doi":"10.1109/AEEES56888.2023.10114187","DOIUrl":"https://doi.org/10.1109/AEEES56888.2023.10114187","url":null,"abstract":"In recent years, with the increase of the penetration of distributed photovoltaics in the power system, the problems of power fluctuations have increased. The corresponding application of the demand side response has played a positive role in the stability and economy of the power system. First of all, a cost model related to the system net load and energy storage is proposed, which is based on the policy support and the recent technology of distributed photovoltaic in China. Secondly, an optimal operation model for photovoltaic user group with shared energy storage considering automatic demand response is proposed based on game theory and it is proved to have a unique Nash equilibrium strategy. The process of solving the Nash equilibrium strategy is equivalent to a two-level optimization model, and the solving method is proposed based on a differential evolution algorithm. Finally, a practical example is used to verify the effectiveness of the model in reducing user costs and optimizing load characteristics.","PeriodicalId":272114,"journal":{"name":"2023 5th Asia Energy and Electrical Engineering Symposium (AEEES)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130429566","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
Influence Analysis of New Energy Proportion in the AC System on DC Fault Current of the MMC-HVDC System 交流系统新能量比例对MMC-HVDC系统直流故障电流的影响分析
2023 5th Asia Energy and Electrical Engineering Symposium (AEEES) Pub Date : 2023-03-23 DOI: 10.1109/AEEES56888.2023.10114072
Siyuan Liu, Botong Li, A. Li, Bin Li, Weijie Wen, Liang Ji
{"title":"Influence Analysis of New Energy Proportion in the AC System on DC Fault Current of the MMC-HVDC System","authors":"Siyuan Liu, Botong Li, A. Li, Bin Li, Weijie Wen, Liang Ji","doi":"10.1109/AEEES56888.2023.10114072","DOIUrl":"https://doi.org/10.1109/AEEES56888.2023.10114072","url":null,"abstract":"The paper study the influence of new energy of AC system on DC fault current characteristics in MMC-HVDC system. Analyze the equivalent method of MMC converter station when MMC-HVDC system occurs DC fault, compare the DC fault current value calculated by the two equivalent methods of the RLC series circuit and the RLC series circuit for a constant current source parallel at both sides of the capacitor with the PSCAD model simulation value, it is concluded that the fault current calculation method considering the influence of AC system is more accurate. Analyze the change of DC fault current of MMC-HVDC system under different proportions of new energy in the AC system, the results show that the proportion of new energy in the AC system has little influence on the DC fault current.","PeriodicalId":272114,"journal":{"name":"2023 5th Asia Energy and Electrical Engineering Symposium (AEEES)","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130646835","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
Spatiotemporal Load Regulation Modeling for Internet Data Centers with Applications to Wind Power Fluctuation Suppression 互联网数据中心负荷时空调节模型及其在风力发电波动抑制中的应用
2023 5th Asia Energy and Electrical Engineering Symposium (AEEES) Pub Date : 2023-03-23 DOI: 10.1109/AEEES56888.2023.10114214
Wenrui Liu, Kainan Wei, Xueying Yan, C. Qin
{"title":"Spatiotemporal Load Regulation Modeling for Internet Data Centers with Applications to Wind Power Fluctuation Suppression","authors":"Wenrui Liu, Kainan Wei, Xueying Yan, C. Qin","doi":"10.1109/AEEES56888.2023.10114214","DOIUrl":"https://doi.org/10.1109/AEEES56888.2023.10114214","url":null,"abstract":"Due to the increasing load power and its flexible spatiotemporal transfer characteristics, internet data centers (IDC) can participate in power system planning and operation as a kind of demand response resource. In this paper, IDC spatiotemporal load regulation potentials modeling method is presented and applied in wind power fluctuation suppression. Firstly, the IDC load regulation model is constructed with the constraints of safe and reliable operation of servers and quality of service of network requests. The IDC load power regulation can be utilized by the allocation and delay of interactive and batch request. Then, it is applied to suppress wind power fluctuations, the economic scheduling strategy with the objective of cost minimizing is proposed. Case study shows the effectiveness of this method.","PeriodicalId":272114,"journal":{"name":"2023 5th Asia Energy and Electrical Engineering Symposium (AEEES)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130818565","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
Mechanical Fault Diagnosis Method for GIS Based on Convolution Neural Network and Enhanced Gramian Angular Field 基于卷积神经网络和增强Gramian角场的GIS机械故障诊断方法
2023 5th Asia Energy and Electrical Engineering Symposium (AEEES) Pub Date : 2023-03-23 DOI: 10.1109/AEEES56888.2023.10114345
Ke Zhao, Hongtao Li, Jingtan Ma, Tianxin Zhuang, Yujie Li, Hanyan Xiao, Ze Yin
{"title":"Mechanical Fault Diagnosis Method for GIS Based on Convolution Neural Network and Enhanced Gramian Angular Field","authors":"Ke Zhao, Hongtao Li, Jingtan Ma, Tianxin Zhuang, Yujie Li, Hanyan Xiao, Ze Yin","doi":"10.1109/AEEES56888.2023.10114345","DOIUrl":"https://doi.org/10.1109/AEEES56888.2023.10114345","url":null,"abstract":"To reliably identify the operating state of Gas Insulated Switchgear (GIS), a mechanical fault diagnosis method for GIS, based on a convolutional neural network and enhanced gramian angular field is proposed. Firstly, the vibration sensor is used to obtain the original time domain signals of GIS equipment in different states. Afterwards, the gramian angular field is employed to encode the one-dimensional time domain signals into two-dimensional maps. Finally, the convolution neural network is utilized to identify the different mechanical defects of GIS. Moreover, the typical mechanical defects of three kinds of GIS equipment are simulated. The calculation results show that the proposed method could effectively represent the different operating states of GIS, and the identification accuracy reached 98%, which provides a reliable basis for the state evaluation of GIS.","PeriodicalId":272114,"journal":{"name":"2023 5th Asia Energy and Electrical Engineering Symposium (AEEES)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128149366","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
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