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2022 9th International Forum on Electrical Engineering and Automation (IFEEA)最新文献

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Study on The Operation Scheme of One Key Sequential Control in Double Bus Line 双母线一键顺序控制操作方案的研究
2022 9th International Forum on Electrical Engineering and Automation (IFEEA) Pub Date : 2022-11-04 DOI: 10.1109/IFEEA57288.2022.10038011
Ge Qun, Zaiqiang Li, Jiaqi Xing, Siyuan Liu
{"title":"Study on The Operation Scheme of One Key Sequential Control in Double Bus Line","authors":"Ge Qun, Zaiqiang Li, Jiaqi Xing, Siyuan Liu","doi":"10.1109/IFEEA57288.2022.10038011","DOIUrl":"https://doi.org/10.1109/IFEEA57288.2022.10038011","url":null,"abstract":"In this paper, the traditional substation main wiring form for double bus re-verse bus sequence analysis, first analyzed the advantages and disadvantages of the two typical reverse bus sequence, and pointed out which traditional substation according to the actual site is more suitable for the bus reverse op-eration. Since the one-button sequential control application of smart substa-tion is carried out in accordance with the preset program and gradually, the operation efficiency of bus reversal is no longer limited by factors such as artificial and terrain in traditional bus reversal. On this basis, ETAP software is used to simulate the power flow distribution of two typical traditional bus reversal operations under different parameters. According to the comparison of the change of line current value in the process of bus reversing, the two typical bus reversing sequences are judged to be the most suitable for the one-key down-control bus reversing operation.","PeriodicalId":304779,"journal":{"name":"2022 9th International Forum on Electrical Engineering and Automation (IFEEA)","volume":"2009 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127336905","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
Impact analysis of towed linear array shape distortion to conventional focused beamforming 拖曳线阵形状畸变对常规聚焦波束形成的影响分析
2022 9th International Forum on Electrical Engineering and Automation (IFEEA) Pub Date : 2022-11-04 DOI: 10.1109/IFEEA57288.2022.10038109
Qi Zhang
{"title":"Impact analysis of towed linear array shape distortion to conventional focused beamforming","authors":"Qi Zhang","doi":"10.1109/IFEEA57288.2022.10038109","DOIUrl":"https://doi.org/10.1109/IFEEA57288.2022.10038109","url":null,"abstract":"Influenced by wave or ship maneuvering, distortion occurs when the towed array is dragged underwater; which will introduce loss of spatial processing gain. Aiming at analyzing the incorrect positioning problem of passive target, array signal reception model is built when distortion occurs, and simulation experiment is conducted to analyze the influence of array shape distortion to the conventional focused beamforming, besides, effect degree of distortion is invested by changing processing frequency band and distance between target and reference array element. In contrast to the situation that array shape is undistorted, simulation results indicate that position error will be caused when linear array assumption is introduced to conventional focused beamforming. This error increases with frequency over same band within the designed frequency range of array and distance between target and reference array element. Experiment results provide a reference for tuning parameter to reduce influence of array shape distortion to spatial processing gain.","PeriodicalId":304779,"journal":{"name":"2022 9th International Forum on Electrical Engineering and Automation (IFEEA)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117235244","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
Diffusion-reaction model and electrolysis dynamic characteristics of electrode surface and channel in solid oxide electrolytic cell 固体氧化物电解槽中电极表面和通道扩散反应模型及电解动力学特性
2022 9th International Forum on Electrical Engineering and Automation (IFEEA) Pub Date : 2022-11-04 DOI: 10.1109/IFEEA57288.2022.10038101
Hanbing Zhang, Ji-chao Ye, Xinwei Hu, Hongyang Huang, Hong Wang, Jian Han
{"title":"Diffusion-reaction model and electrolysis dynamic characteristics of electrode surface and channel in solid oxide electrolytic cell","authors":"Hanbing Zhang, Ji-chao Ye, Xinwei Hu, Hongyang Huang, Hong Wang, Jian Han","doi":"10.1109/IFEEA57288.2022.10038101","DOIUrl":"https://doi.org/10.1109/IFEEA57288.2022.10038101","url":null,"abstract":"It is of great significance to study the diffusion reaction and dynamic operation characteristics of solid oxide electrolytic cell (SOEC) by establishing physical model. Based on one dimensional mass transfer model in porous media and one-dimensional flow model, the dynamic SOEC diffusion-reaction model is established. According to the experimental results and parameters, numerical method is used to calculate the current density and water vapor concentration distribution. The influence of operating conditions, such as water vapor concentration and electrolysis voltage, are also explored. The results show that the current distribution is concentrated in the distance of 100 $mu mathrm{m}$ away from electrolyte layer, and the enhancement of oxygen ionic conductivity in cathode can benefit the current density and widen the current distribution. Strengthening the cathode porous structure can improve the current density of SOEC. The feed steam fluctuations lead to the performance fluctuation of SOEC, which can reach a new equilibrium within 0.02 s after changing the operating conditions. The SOEC exhibits fast responsiveness when considering the tolerance of the structure materials, and the mass diffusion cannot be ignored in the pores.","PeriodicalId":304779,"journal":{"name":"2022 9th International Forum on Electrical Engineering and Automation (IFEEA)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131162687","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 Lightweight Named Entity Recognition Method for Chinese Power Equipment Defect Text 中文电力设备缺陷文本的轻量级命名实体识别方法
2022 9th International Forum on Electrical Engineering and Automation (IFEEA) Pub Date : 2022-11-04 DOI: 10.1109/IFEEA57288.2022.10037787
Yifan Jiang, Hao Jiang, Jing Chen, Xiren Miao
{"title":"A Lightweight Named Entity Recognition Method for Chinese Power Equipment Defect Text","authors":"Yifan Jiang, Hao Jiang, Jing Chen, Xiren Miao","doi":"10.1109/IFEEA57288.2022.10037787","DOIUrl":"https://doi.org/10.1109/IFEEA57288.2022.10037787","url":null,"abstract":"During the operation and maintenance of power equipment, a large amount of text data is accumulated, and it is of great importance to mine valuable information and evaluate the operation status of the equipment. Among them, named entity recognition technology is a key prerequisite for downstream tasks. However, with the development of natural language processing technology, while improving the accuracy of entity recognition, the existing models are gradually unable to meet the requirements of time and equipment cost for model training in practice. In this paper, we propose a low-cost ALBERT-BiLSTM-CRF-based named entity recognition model applicable to power equipment defective text. The model achieves an F1 score of 92.47% in entity recognition in the power domain, outperforming the benchmark BERT model performance in terms of time cost and effect.","PeriodicalId":304779,"journal":{"name":"2022 9th International Forum on Electrical Engineering and Automation (IFEEA)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128312840","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
Safety Analysis and Reinforcement Measures of Transmission Tower 输电塔安全分析及加固措施
2022 9th International Forum on Electrical Engineering and Automation (IFEEA) Pub Date : 2022-11-04 DOI: 10.1109/IFEEA57288.2022.10038142
Jingshan Han, Danyu Li, Yayang Lin, Xiaoxiang Zhang, Jianhua Yu, Bin Liu
{"title":"Safety Analysis and Reinforcement Measures of Transmission Tower","authors":"Jingshan Han, Danyu Li, Yayang Lin, Xiaoxiang Zhang, Jianhua Yu, Bin Liu","doi":"10.1109/IFEEA57288.2022.10038142","DOIUrl":"https://doi.org/10.1109/IFEEA57288.2022.10038142","url":null,"abstract":"After the investigation of the transmission tower, some common conditions were found: the inverted tower phenomenon occurred in recent years when there were short-term heavy rainfall, thunderstorm, strong wind and other strong convective weather. The area where the inverted tower phenomenon occurs and the surrounding environment have the same or similar conditions; The rod types with inverted tower are mainly 7722 (zs3) and 7727 (zgu2) (both of which are typical tower types designed in the 1970s). Therefore, the goal of reinforcement of transmission towers is proposed: the reinforcement scheme of ZS and zgu2 towers is reasonably proposed to achieve the requirements of reliable technology, simple construction, good reinforcement effect, small impact on the use function, economic rationality and neat appearance. According to the preliminary reinforcement measures and schemes of existing experience, we propose two solutions.","PeriodicalId":304779,"journal":{"name":"2022 9th International Forum on Electrical Engineering and Automation (IFEEA)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131711411","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 High-Performance Nano-Refractive Index Sensor Structure Based on Fano Resonance 一种基于Fano共振的高性能纳米折射率传感器结构
2022 9th International Forum on Electrical Engineering and Automation (IFEEA) Pub Date : 2022-11-04 DOI: 10.1109/IFEEA57288.2022.10038248
Guoquan Zhou, S. Yan, Lifang Shen, Yi Zhang, Yifeng Ren
{"title":"A High-Performance Nano-Refractive Index Sensor Structure Based on Fano Resonance","authors":"Guoquan Zhou, S. Yan, Lifang Shen, Yi Zhang, Yifeng Ren","doi":"10.1109/IFEEA57288.2022.10038248","DOIUrl":"https://doi.org/10.1109/IFEEA57288.2022.10038248","url":null,"abstract":"Optical sensors have a series of advantages, such as anti-interference, fast response, low power consumption, etc. Due to the diffraction limit, optical devices cannot be integrated on a large scale. spp can break through the limitations of traditional optical diffraction limits and manipulate light in the sub-wavelength range. Greatly advance the integration of optical devices. In this paper, a novel nano-sensor structure is proposed, which consists of an MIM waveguide with double rectangles and an annular cavity with embedded stubs. The sensing characteristics are simulated and analyzed by finite element method. In addition, we also analyze the triggers of the Fano resonance line and optimize it by adjusting the parameters. The maximum sensitivity is 1990 nm / RIU, and the advantage value is 63.2. This structure has broad application prospects in sensors in biomedicine and temperature detection.","PeriodicalId":304779,"journal":{"name":"2022 9th International Forum on Electrical Engineering and Automation (IFEEA)","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131988141","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 the construction of new power system value evaluation index system 新型电力系统价值评价指标体系构建研究
2022 9th International Forum on Electrical Engineering and Automation (IFEEA) Pub Date : 2022-11-04 DOI: 10.1109/IFEEA57288.2022.10038049
Chunming Wang, Xuanjie Zhou, Wen Hu, Shiling Zhang, Zhenlong Wu
{"title":"Research on the construction of new power system value evaluation index system","authors":"Chunming Wang, Xuanjie Zhou, Wen Hu, Shiling Zhang, Zhenlong Wu","doi":"10.1109/IFEEA57288.2022.10038049","DOIUrl":"https://doi.org/10.1109/IFEEA57288.2022.10038049","url":null,"abstract":"Since the ninth meeting of the Central Committee of Finance and economics proposed to build a new power system, provinces have been building a new power system in full swing. The new power system is a new thing, so far there is no recognized value evaluation standard. Based on the understanding of the connotation and characteristics of the new power system, this paper analyzes the value of the new power system, studies and puts forward its value system, and constructs the value evaluation index system of the new power system.","PeriodicalId":304779,"journal":{"name":"2022 9th International Forum on Electrical Engineering and Automation (IFEEA)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132197402","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
Design of a new electricity spot market based on time-of-use capacity tariff 基于分时电价的新型电力现货市场设计
2022 9th International Forum on Electrical Engineering and Automation (IFEEA) Pub Date : 2022-11-04 DOI: 10.1109/IFEEA57288.2022.10038010
Haofeng Chen, C. Liu, Bin bin Wang, Yan Liang, Yong Wang, Miaomiao Xu, Yi Li
{"title":"Design of a new electricity spot market based on time-of-use capacity tariff","authors":"Haofeng Chen, C. Liu, Bin bin Wang, Yan Liang, Yong Wang, Miaomiao Xu, Yi Li","doi":"10.1109/IFEEA57288.2022.10038010","DOIUrl":"https://doi.org/10.1109/IFEEA57288.2022.10038010","url":null,"abstract":"In order to support the construction of a new power system spot market with high proportion of new energy, it is necessary to establish a spot market mechanism that accurately reflects the space-time balance cost of electricity, form a price signal that measures the value of source-grid load and storage, and stimulate accurate and efficient interaction between source-grid load and storage. When new energy becomes the main power source, the current spot market mechanism will have the following problems: 1) if new energy determines the marginal price, its near-zero marginal cost will lead to the disappearance of the spot price signal, and the price regulation function will no longer exist; 2) if expensive and small amount of flexible resources determine the marginal price, the difference of power supply service between new energy and flexible resources cannot be reflected, and new energy will obtain excessive profits, resulting in the phenomenon of The “ride-sharing” phenomenon. To this end, the article designs an electricity spot market mechanism that decouples new energy and flexibility resources and forms a time-sharing capacity tariff based on the fixed cost of new energy. The new energy timesharing capacity market shares the fixed costs of new energy market players on a day-by-day basis to form a time-series price signal; the spot market for flexibility resources discovers the price of deviated power balance, frequency regulation, standby and other residual power balance services through competition; and ensures that the “whoever incurs the cost bears the cost” principle is satisfied through fair cost sharing to new energy and users. By sharing the costs fairly with new energy sources and users, we ensure that the principle of “whoever incurs the cost bears the cost” is met, and the market mechanism is used to match supply and demand for flexibility.","PeriodicalId":304779,"journal":{"name":"2022 9th International Forum on Electrical Engineering and Automation (IFEEA)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134388128","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
Analysis of DC Line Bipolar Short Circuit Fault in Full Bridge MMC Flexible DC System 全桥MMC柔性直流系统直流线路双极短路故障分析
2022 9th International Forum on Electrical Engineering and Automation (IFEEA) Pub Date : 2022-11-04 DOI: 10.1109/IFEEA57288.2022.10038103
Zhong Liu, Junyan Zhang, Chaowu Liu, Kaixin Zhang, Shenxing Shi, Xinzhou Dong
{"title":"Analysis of DC Line Bipolar Short Circuit Fault in Full Bridge MMC Flexible DC System","authors":"Zhong Liu, Junyan Zhang, Chaowu Liu, Kaixin Zhang, Shenxing Shi, Xinzhou Dong","doi":"10.1109/IFEEA57288.2022.10038103","DOIUrl":"https://doi.org/10.1109/IFEEA57288.2022.10038103","url":null,"abstract":"After the bipolar fault occurs in the flexible DC transmission line, the converter will affect the fault current, so it is necessary to analyze the fault of the system with converter. Aiming at the common full bridge MMC converter topology, this paper establishes its corresponding circuit model after fault, and derives the fault current expressions in capacitor discharge stage and bridge arm inductance freewheeling stage after blocking. Finally, the simulation is carried out in PSCAD.","PeriodicalId":304779,"journal":{"name":"2022 9th International Forum on Electrical Engineering and Automation (IFEEA)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133469942","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
Modeling and Comprehensive Assessment of Flexible Resource for Power Dispatch 电力调度柔性资源建模与综合评估
2022 9th International Forum on Electrical Engineering and Automation (IFEEA) Pub Date : 2022-11-04 DOI: 10.1109/IFEEA57288.2022.10038058
Liubao Zhu, Hao Tang, Daohong Fang
{"title":"Modeling and Comprehensive Assessment of Flexible Resource for Power Dispatch","authors":"Liubao Zhu, Hao Tang, Daohong Fang","doi":"10.1109/IFEEA57288.2022.10038058","DOIUrl":"https://doi.org/10.1109/IFEEA57288.2022.10038058","url":null,"abstract":"In order to alleviate the pressure of new energy fluctuation on power system balance, it is an effective way to introduce flexible resources to participate in dispatching. How to assess and model the flexible resources to provide intuitive and effective reference for the dispatching department is an urgent problem to be solved. A multi-dimensional comprehensive assessment index system of flexible resources is constructed to quantitatively and comprehensively assess the flexible resources. Firstly, a comprehensive assessment index system of flexible resources is established in three dimensions: magnitude, cost and regulation performance. Secondly, a flexible resource model for power dispatch is established to describe and characterize flexible resources, and the quantitative formulas of magnitude and cost are given. Finally, for different dispatching scenarios and dispatching preferences, the analytic hierarchy process based on fuzzy comprehensive assessment is combined with decision indexes and expert scores to quantify flexibility of each flexible resource. Deep peaking units, large-scale energy storage, electric vehicle clusters, and inverter air conditioning clusters in regional distribution networks are used as examples to assess their flexibility scores under different scenarios and preferences. The simulation results show that the dispatching department can enhance the grid operation efficiency by preferentially calling the flexible resources with high scores, which verifies the reasonableness of the assessment index and the effectiveness of the assessment method.","PeriodicalId":304779,"journal":{"name":"2022 9th International Forum on Electrical Engineering and Automation (IFEEA)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131788622","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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