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2021 3rd Asia Energy and Electrical Engineering Symposium (AEEES)最新文献

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Optimal Configuration and Economic Analysis of Energy Storage System in Regional Power Grid 区域电网储能系统优化配置及经济性分析
2021 3rd Asia Energy and Electrical Engineering Symposium (AEEES) Pub Date : 2021-03-26 DOI: 10.1109/AEEES51875.2021.9403129
Kaiyan Wang, Chengwen Zhou, Rong Jia, Jiao Wang, Zhengmian Wang
{"title":"Optimal Configuration and Economic Analysis of Energy Storage System in Regional Power Grid","authors":"Kaiyan Wang, Chengwen Zhou, Rong Jia, Jiao Wang, Zhengmian Wang","doi":"10.1109/AEEES51875.2021.9403129","DOIUrl":"https://doi.org/10.1109/AEEES51875.2021.9403129","url":null,"abstract":"The combination of new energy and energy storage has become an inevitable trend in the future development of power systems with a high proportion of new energy, The optimal configuration of energy storage capacity has also become a research focus. In order to effectively alleviate the wind abandonment and solar abandonment phenomenon of the regional power grid with the penetration rate of new energy, this paper combines the actual demand of the power grid and proposes an optimized configuration method for the energy storage system (ESS). Firstly, model the cost and economic benefit calculation method of the energy storage system. Secondly, the optimization goal is to maximize the annual net income of the energy storage system and minimize the cost of electricity per kilowatt-hour, and the key operating status is used as the constraint condition to establish an energy storage optimization configuration model. Two energy storage modes, battery type and pumped storage, are comprehensively considered. Take an actual regional power grid as an example test system, and use an improved particle swarm algorithm to solve the optimization model. Considering the situation of no constraint and no more than 5% of new energy abandonment rate, the optimal allocation scheme of energy storage capacity is given, and the feasibility and economy of battery and pumped storage energy storage in different situations are comprehensively compared.","PeriodicalId":356667,"journal":{"name":"2021 3rd Asia Energy and Electrical Engineering Symposium (AEEES)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124274031","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: 3
Bridgeless Step-Down PFC Converter Based on Dual-Resonant Switched-Capacitor Structure with Continuous Conversion Ratio 基于连续转换比双谐振开关电容结构的无桥降压PFC变换器
2021 3rd Asia Energy and Electrical Engineering Symposium (AEEES) Pub Date : 2021-03-26 DOI: 10.1109/AEEES51875.2021.9403216
Yubo Han, Yunfeng Wu, Zhangyong Chen, Xiangyu Liu, Zhengdong Lu, Chang-Hua Zhang
{"title":"Bridgeless Step-Down PFC Converter Based on Dual-Resonant Switched-Capacitor Structure with Continuous Conversion Ratio","authors":"Yubo Han, Yunfeng Wu, Zhangyong Chen, Xiangyu Liu, Zhengdong Lu, Chang-Hua Zhang","doi":"10.1109/AEEES51875.2021.9403216","DOIUrl":"https://doi.org/10.1109/AEEES51875.2021.9403216","url":null,"abstract":"Power factor correction (PFC) converter is widely utilized in grid-connected equipment and power adapter, etc. Conventional PFC Buck converter is not proper to maintain good performance at low output voltage with a wide input range. In the bridge-based PFC converter, the forward voltage of rectifier diodes is an important source of power loss. For overcoming the above-mentioned issues, a bridgeless PFC converter based on switched-capacitor dual-resonance tank is proposed in this paper. The switched-capacitor dual-resonance tank is meaningful to improve voltage regulating capacity and the bridgeless structure is helpful to eliminate rectifier diode loss. Additionally, only small inductors are utilized in the proposed PFC converter, which is useful to improve power density.","PeriodicalId":356667,"journal":{"name":"2021 3rd Asia Energy and Electrical Engineering Symposium (AEEES)","volume":"86 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115557733","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
Line Protection Setting and Configuration Scheme for Cascaded Multi Terminal UHVDC Transmission System 级联多端子特高压直流输电系统线路保护整定及配置方案
2021 3rd Asia Energy and Electrical Engineering Symposium (AEEES) Pub Date : 2021-03-26 DOI: 10.1109/AEEES51875.2021.9403148
Liangliang Hao, Chang Liu, Zhengguang Chen, Xingguo Wang
{"title":"Line Protection Setting and Configuration Scheme for Cascaded Multi Terminal UHVDC Transmission System","authors":"Liangliang Hao, Chang Liu, Zhengguang Chen, Xingguo Wang","doi":"10.1109/AEEES51875.2021.9403148","DOIUrl":"https://doi.org/10.1109/AEEES51875.2021.9403148","url":null,"abstract":"In the case of dispersed energy sources and load center, UHVDC (Ultra-high Voltage Direct Current) system in cascaded connection mode is more suitable and efficient. However, it brings up challenges for original control strategy and line protection schemes. In order to coordinate line protection action with new connection mode more appropriately, a novel control strategy has been proposed, and based on which the original line protection scheme used in conventional UHVDC system is analyzed. And referred to parameters of an actual project, a simulation model that UHVDC system connects in receiving end cascaded mode has been constructed in PSCAD/EMTDC. According to simulation exhaustive method used in engineering, the setting, configuration, verification and evaluation of traveling wave protection are carried out. Finally, a reasonable line protection configuration and action scheme is proposed for each line fault.","PeriodicalId":356667,"journal":{"name":"2021 3rd Asia Energy and Electrical Engineering Symposium (AEEES)","volume":"90 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116038467","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
Study on Energy Absorption Characteristics of 220 kV Cable End Arrester 220kv电缆端部避雷器吸能特性研究
2021 3rd Asia Energy and Electrical Engineering Symposium (AEEES) Pub Date : 2021-03-26 DOI: 10.1109/AEEES51875.2021.9403036
Ren Hongtao, Zhang Ying
{"title":"Study on Energy Absorption Characteristics of 220 kV Cable End Arrester","authors":"Ren Hongtao, Zhang Ying","doi":"10.1109/AEEES51875.2021.9403036","DOIUrl":"https://doi.org/10.1109/AEEES51875.2021.9403036","url":null,"abstract":"Taking 220 kV cable as the research object, the influence of some parameters, such as grounding resistance, lead inductance, source impedance ratio, and rated voltage of arrester on the energy absorption characteristics of arrester is studied under the condition of single-phase grounding at the end, and the selection of energy absorption capacity of arrester is discussed. The results show that the energy absorbed by arrester is significantly affected by grounding resistance and rated voltage of arrester. At the same time, the calculation results also show that the lower the rated voltage, the more energy the arrester can bear, and the higher the requirement for its energy absorption capacity.","PeriodicalId":356667,"journal":{"name":"2021 3rd Asia Energy and Electrical Engineering Symposium (AEEES)","volume":"337 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116111503","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 New Direction Relay Algorithm of Three-Phase Short-Circuit for The DFIG-Based Wind Farm Outgoing Transmission Line 基于dfig的风电场出线三相短路方向继电器新算法
2021 3rd Asia Energy and Electrical Engineering Symposium (AEEES) Pub Date : 2021-03-26 DOI: 10.1109/AEEES51875.2021.9403094
H. He, Yuming Liu, Zhiwei Zhao, Hongbin Wang
{"title":"A New Direction Relay Algorithm of Three-Phase Short-Circuit for The DFIG-Based Wind Farm Outgoing Transmission Line","authors":"H. He, Yuming Liu, Zhiwei Zhao, Hongbin Wang","doi":"10.1109/AEEES51875.2021.9403094","DOIUrl":"https://doi.org/10.1109/AEEES51875.2021.9403094","url":null,"abstract":"The transient characteristics of the DFIG-based wind farm transmission line with a capacity of low-voltage ride-through (LVRT) is analyzed in the paper. When a three-phase short-circuit occurs at the DFIG-based wind farm outgoing transmission line, the conventional direction element based on power frequency algorithm can trip correctly if the fault current through the distance relay is provided by the power system, otherwise, it will not be able to get accurate and stable judgments about the fault direction if the fault current through the distance relay is provided by DFIG. A new direction relay algorithm for the DFIG-based wind farm outgoing transmission line is proposed. The fault direction can be judged according to the fluctuation range of the phase calculated by the traditional phase-to-phase distance relay using positive sequence polarizing voltage within a certain time after a failure. The simulation results show that the new direction relay at both sides can both provide accurate fault directions no matter what position the three-phase fault occurs on the outgoing transmission line.","PeriodicalId":356667,"journal":{"name":"2021 3rd Asia Energy and Electrical Engineering Symposium (AEEES)","volume":"192 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122356314","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
Chance-Constrained Market Clearing Model for Accommodating Large-Scale Renewable Energy 适应大规模可再生能源的机会约束市场出清模型
2021 3rd Asia Energy and Electrical Engineering Symposium (AEEES) Pub Date : 2021-03-26 DOI: 10.1109/AEEES51875.2021.9403090
L. Yao, Jiangtao Li, Jinhui Duan, Xiaocong Liu
{"title":"Chance-Constrained Market Clearing Model for Accommodating Large-Scale Renewable Energy","authors":"L. Yao, Jiangtao Li, Jinhui Duan, Xiaocong Liu","doi":"10.1109/AEEES51875.2021.9403090","DOIUrl":"https://doi.org/10.1109/AEEES51875.2021.9403090","url":null,"abstract":"The market clearing tool is critical for the day-ahead electric energy market. In this paper, we propose a chance-constrained market clearing model for the day-ahead electric energy markets in China. To accommodate large-scale renewable energy, we employ chance-constraints to manage risk and set affine policy as the units' control strategy reacting to uncertainties from variable renewable energy plants. A modified 118-bus system is utilized to test the performance of the proposed approach.","PeriodicalId":356667,"journal":{"name":"2021 3rd Asia Energy and Electrical Engineering Symposium (AEEES)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129933692","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
Electricity Value-Added Service Business Model under Energy Internet 能源互联网下的电力增值服务商业模式
2021 3rd Asia Energy and Electrical Engineering Symposium (AEEES) Pub Date : 2021-03-26 DOI: 10.1109/AEEES51875.2021.9403011
Wang Siyin, Zhou Xu, Meng Xiangnan, Su Juan, Yan Yan
{"title":"Electricity Value-Added Service Business Model under Energy Internet","authors":"Wang Siyin, Zhou Xu, Meng Xiangnan, Su Juan, Yan Yan","doi":"10.1109/AEEES51875.2021.9403011","DOIUrl":"https://doi.org/10.1109/AEEES51875.2021.9403011","url":null,"abstract":"The progress of information communication technology and energy technology has promoted the development of energy Internet. The application of various technologies in energy Internet promotes the birth of new value-added power services, which puts forward new requirements for power grid enterprises. In order to better provide value-added services for users and improve the business level of energy service companies, the business model of value-added electricity service under energy Internet is put forward. According to the characteristics of the current regional power grid and the development trend of the future regional energy Internet construction, the new technical characteristics of the energy Internet and the new energy demand brought by the new technology are studied. Based on the technical characteristics, the future development of energy Internet and the energy demand of users, the specific classification and content of typical power value-added services under energy Internet are studied. According to different business model elements, the business model of electricity value-added service under energy Internet is put forward.","PeriodicalId":356667,"journal":{"name":"2021 3rd Asia Energy and Electrical Engineering Symposium (AEEES)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123863225","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
Urban Distribution Network Planning Considering Block Loads 考虑街区负荷的城市配电网规划
2021 3rd Asia Energy and Electrical Engineering Symposium (AEEES) Pub Date : 2021-03-26 DOI: 10.1109/AEEES51875.2021.9403218
Zhen Fang, Mingqiang Wang, Jianying Li, Zhixin Wang
{"title":"Urban Distribution Network Planning Considering Block Loads","authors":"Zhen Fang, Mingqiang Wang, Jianying Li, Zhixin Wang","doi":"10.1109/AEEES51875.2021.9403218","DOIUrl":"https://doi.org/10.1109/AEEES51875.2021.9403218","url":null,"abstract":"Urban distribution network planning is an important distribution network planning problem which needs to consider the street layout and block loads. Traditionally, the load within a block area is taken as a single load point. In this paper, a new urban distribution network planning model is proposed. The location and sizing of substations, and the routing and capacity of distribution power lines are simultaneously optimized. The load in a block is distributed to the surrounding segments, and then distributed to the adjacent junctions of the segments. The model belongs to a mixed integer linear programming problem and it can be solved by state-of-art commercial solver. The validity and effectiveness of the proposed model are illustrated by case studies.","PeriodicalId":356667,"journal":{"name":"2021 3rd Asia Energy and Electrical Engineering Symposium (AEEES)","volume":"215 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114848075","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
Theoretical Analysis and Calculation of Arc Contact Erosion of High Voltage Circuit Breaker 高压断路器电弧触点侵蚀的理论分析与计算
2021 3rd Asia Energy and Electrical Engineering Symposium (AEEES) Pub Date : 2021-03-26 DOI: 10.1109/AEEES51875.2021.9403164
Gong Chen, Zhuang Cheng, Tao Duan, Weiwen Zeng
{"title":"Theoretical Analysis and Calculation of Arc Contact Erosion of High Voltage Circuit Breaker","authors":"Gong Chen, Zhuang Cheng, Tao Duan, Weiwen Zeng","doi":"10.1109/AEEES51875.2021.9403164","DOIUrl":"https://doi.org/10.1109/AEEES51875.2021.9403164","url":null,"abstract":"Arc contact condition is the determinant factor that influences the electrical lifetime of high voltage circuit breaker and the decrease of electrical lifetime means the deterioration of insulation and opening capacity of arc distinguishing chamber. Present prediction method of electrical lifetime cannot directly obtain the condition of arc contact. In this paper, the short-circuit current is generated by the circuit breaker synthesis test circuit to simulate the erosion of the arc contact during the opening operation. The contact travel throughout the erosion tests has been measured by dynamic resistance measurement (DRM). The decrement of contact travel for each erosion test with the same opening current and arc time is constant. The calculated value of contact travel decrement (0.27mm) for each erosion test is close to the measured value (0.32mm) based on contact erosion theory.","PeriodicalId":356667,"journal":{"name":"2021 3rd Asia Energy and Electrical Engineering Symposium (AEEES)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126474641","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 Efficiency Optimization Control Method for Three-Phase Interleaved DC-DC Converter 三相交错DC-DC变换器效率优化控制方法
2021 3rd Asia Energy and Electrical Engineering Symposium (AEEES) Pub Date : 2021-03-26 DOI: 10.1109/AEEES51875.2021.9403039
Jinxin Wang, Renyong Peng, Chen Cai, Haitao Yu, Meiyuan Chen, Yiyi Liu, Keqiang Wu, Shihan Tang, Hongyang Wei, Jie Chen
{"title":"An Efficiency Optimization Control Method for Three-Phase Interleaved DC-DC Converter","authors":"Jinxin Wang, Renyong Peng, Chen Cai, Haitao Yu, Meiyuan Chen, Yiyi Liu, Keqiang Wu, Shihan Tang, Hongyang Wei, Jie Chen","doi":"10.1109/AEEES51875.2021.9403039","DOIUrl":"https://doi.org/10.1109/AEEES51875.2021.9403039","url":null,"abstract":"Because of the environmental friendliness of electric vehicles, research on electric vehicles has become a hot spot in recent years. How to charge electric vehicles faster is critical to the widespread use of electric vehicles. Electric vehicle integrated power unit can use bidirectional DC-DC converter for driving to achieve integrated charging. In order to improve the power density and efficiency of the integrated system, the bidirectional DC-DC for electric vehicle driving uses three-phase interleaved parallel technology. This paper proposes a method to select different interleaved phase numbers according to different output powers of the converter to improve the working efficiency of three-phase interleaved parallel DC-DC converters. This method improves the efficiency of the three-phase interleaved parallel converter under light load and widens the high-efficiency working area of the converter. Finally, simulations and experimental results are conducted to validate the efficiency of the design.","PeriodicalId":356667,"journal":{"name":"2021 3rd Asia Energy and Electrical Engineering Symposium (AEEES)","volume":"233 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115806873","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: 6
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