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2022 3rd International Conference on Advanced Electrical and Energy Systems (AEES)最新文献

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Study on the Effect of Acceleration on the Surface Flow Field Distribution Characteristics of Roof Insulator of High-Speed Railway 加速度对高速铁路车顶绝缘子表面流场分布特性的影响研究
2022 3rd International Conference on Advanced Electrical and Energy Systems (AEES) Pub Date : 2022-09-23 DOI: 10.1109/AEES56284.2022.10079538
Zhongren Ma, Qingping Zhang, Bodong Chen, Yongqiang Kang, Shuaibing Li, Hongwei Li
{"title":"Study on the Effect of Acceleration on the Surface Flow Field Distribution Characteristics of Roof Insulator of High-Speed Railway","authors":"Zhongren Ma, Qingping Zhang, Bodong Chen, Yongqiang Kang, Shuaibing Li, Hongwei Li","doi":"10.1109/AEES56284.2022.10079538","DOIUrl":"https://doi.org/10.1109/AEES56284.2022.10079538","url":null,"abstract":"It is easy to cause insulation flashover outside the roof when the high-speed railway is started or braked. The possible reason for this phenomenon is that the insulator surface flow field characteristics have changed significantly during the high-speed railway is started or braked, resulting in insulation flashover. In order to find out the influence of high-speed railway starting or braking on the surface flow field of roof insulator, this paper uses the finite element method to analyze the surface flow field of high-speed railway roof insulator, and explores the distribution of surface flow field of roof insulator under different accelerations. The distribution law of the surface flow field of high-speed rail roof insulator under different acceleration directions is analyzed, and the flow field distribution law under acceleration conditions and constant speed conditions is compared and analyzed. The simulation results show that: Compared with the case of constant speed, the difference of air velocity distribution on insulator surface under acceleration is greater, and the difference of air velocity distribution on insulator surface under negative acceleration is even 1.86 times that under constant speed. The research results provide a reference for exploring the flow field distribution law and flashover mechanism of high-speed rail roof insulators.","PeriodicalId":227496,"journal":{"name":"2022 3rd International Conference on Advanced Electrical and Energy Systems (AEES)","volume":"134 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128761778","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 Model of Transformer Fault Diagnosis Based on ISOA-SVM 基于ISOA-SVM的变压器故障诊断新模型
2022 3rd International Conference on Advanced Electrical and Energy Systems (AEES) Pub Date : 2022-09-23 DOI: 10.1109/AEES56284.2022.10079656
Junming Zhu, Yang Liu, Haiying Dong
{"title":"A New Model of Transformer Fault Diagnosis Based on ISOA-SVM","authors":"Junming Zhu, Yang Liu, Haiying Dong","doi":"10.1109/AEES56284.2022.10079656","DOIUrl":"https://doi.org/10.1109/AEES56284.2022.10079656","url":null,"abstract":"In view of the defects of low model performance of traditional support vector machine (SVM), firstly, a nonlinear inertia weight based on cosine function is used to balance the exploration and foraging ability of seagull optimization algorithm (SOA), then proposes to use reverse learning strategy to reduce the defect of local optimization of seagull population, and can obtains the best parameters of SVM. Then, this paper uses two benchmark functions to compare improved-SOA (ISOA), particle swarm optimization (PSO), and SOA optimization performance. Compared with SOA and PSO, ISOA has better optimization performance. Finally, based on ISOA-SVM, this paper uses three-fold cross validation to diagnose the DGA data, and the diagnostic results are compared with PSO-SVM and SOA-SVM, the diagnosis performance of this model is better.","PeriodicalId":227496,"journal":{"name":"2022 3rd International Conference on Advanced Electrical and Energy Systems (AEES)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132266596","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 Microgrid Division of Solar and Wind Energy Enrichment Expressway Distribution Network Based on IPSO 基于IPSO的太阳能和风能富集高速公路配电网微网划分研究
2022 3rd International Conference on Advanced Electrical and Energy Systems (AEES) Pub Date : 2022-09-23 DOI: 10.1109/AEES56284.2022.10079277
Wenhui Rui, Xin Li
{"title":"Research on Microgrid Division of Solar and Wind Energy Enrichment Expressway Distribution Network Based on IPSO","authors":"Wenhui Rui, Xin Li","doi":"10.1109/AEES56284.2022.10079277","DOIUrl":"https://doi.org/10.1109/AEES56284.2022.10079277","url":null,"abstract":"The distribution form of expressway is narrow and long, the distance between power supply and different loads is uncertain, and there may be multiple long-distance power transmission. The distribution network of expressway is divided into multiple independent microgrids, which can better adapt to the access of a large number of electric vehicles, energy storage equipment and flexible loads to the highway distribution network, and improve the utilization rate of renewable energy in the road area. In this paper, the optimization of the distance between nodes is transformed into the optimization of the cost. With the objective of the optimal network loss, the forward and backward generation method is used to calculate the power flow of the distribution network containing distributed power generation, and the corresponding basic loop matrix is generated through the topology of the distribution network. IPSO is used to solve the distribution network reconfiguration model. The simulation results using IEEE33 node model show that compared with traditional distribution network, the proposed microgrid division method can effectively reduce network loss and provide support for the development of traffic energy integration.","PeriodicalId":227496,"journal":{"name":"2022 3rd International Conference on Advanced Electrical and Energy Systems (AEES)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133074041","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 Utilization Method of Regenerative Braking Energy of Maglev Train Based on Doubly-Fed Linear Motor 基于双馈直线电机的磁悬浮列车制动能量再生利用方法研究
2022 3rd International Conference on Advanced Electrical and Energy Systems (AEES) Pub Date : 2022-09-23 DOI: 10.1109/AEES56284.2022.10079653
Xinbo Zheng, Ruoqiong Li, Xin Li
{"title":"Research on Utilization Method of Regenerative Braking Energy of Maglev Train Based on Doubly-Fed Linear Motor","authors":"Xinbo Zheng, Ruoqiong Li, Xin Li","doi":"10.1109/AEES56284.2022.10079653","DOIUrl":"https://doi.org/10.1109/AEES56284.2022.10079653","url":null,"abstract":"The traditional way of consuming the regenerative braking energy (RBE) of the suspended train through the braking resistor leads to increasingly prominent problems such as the low utilization rate of the RBE. If we can realize the efficient utilization of RBE in maglev transportation, it will be beneficial to realize energy saving and consumption reduction of maglev traffic and the realization of the 3060 dual carbon goal. This paper analyzes the topology structure and operation principle of the doubly-fed linear motor (DFLM), as well as its energy flow characteristics under different operating states. The topology structure and the corresponding energy management strategy of the RBE utilization system on the stator side, and the feedback energy utilization system on the mover side of the suspended train based on the DFLM are given. The system's feasibility to achieve dynamic power distribution is verified by analyzing the train operating state and the transition conditions between the four operating modes of the stator-side RBE utilization system and the specific operating conditions in the operating mode. A technical method is provided for realizing efficient utilization of the RBE in maglev traffic.","PeriodicalId":227496,"journal":{"name":"2022 3rd International Conference on Advanced Electrical and Energy Systems (AEES)","volume":"45 146","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113974820","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
Equivalent Demonstration and Clustering Strategy Analysis of Wind Farm 风电场等效论证与聚类策略分析
2022 3rd International Conference on Advanced Electrical and Energy Systems (AEES) Pub Date : 2022-09-23 DOI: 10.1109/AEES56284.2022.10079415
Chao You, Wanlin Guan, Nana Cai, Wenlong Wang, Mingyu Xu, Shuang Rong
{"title":"Equivalent Demonstration and Clustering Strategy Analysis of Wind Farm","authors":"Chao You, Wanlin Guan, Nana Cai, Wenlong Wang, Mingyu Xu, Shuang Rong","doi":"10.1109/AEES56284.2022.10079415","DOIUrl":"https://doi.org/10.1109/AEES56284.2022.10079415","url":null,"abstract":"The large-scale wind farm is usually equivalent to a wind turbine to simplify the calculation model of the power system and improve the calculation efficiency. The capacity weighted method is widely used but lacks proof. In order to study the equivalent principle of wind farm, the detailed theoretical derivation and analysis are carried out on the basis of the mathematical model, which provides theoretical support for the capacity weighted method. According to the found equivalent error sources, different clustering strategies are adopted for analysis. The analysis results are verified by simulation.","PeriodicalId":227496,"journal":{"name":"2022 3rd International Conference on Advanced Electrical and Energy Systems (AEES)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128461974","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 and Research on Structural Characteristics of Three-grid Septic Tank Produced by Rolling Plastic Process 滚塑工艺生产的三栅化粪池结构特性分析与研究
2022 3rd International Conference on Advanced Electrical and Energy Systems (AEES) Pub Date : 2022-09-23 DOI: 10.1109/AEES56284.2022.10079622
X. Zhen, Shun-Jie Li, Yixiu Bai, Miao Luo, Chuanxi Tan, Xu Zhang
{"title":"Analysis and Research on Structural Characteristics of Three-grid Septic Tank Produced by Rolling Plastic Process","authors":"X. Zhen, Shun-Jie Li, Yixiu Bai, Miao Luo, Chuanxi Tan, Xu Zhang","doi":"10.1109/AEES56284.2022.10079622","DOIUrl":"https://doi.org/10.1109/AEES56284.2022.10079622","url":null,"abstract":"The three-grid septic tank has become a common equipment in the process of rural toilet reform due to its low cost and small footprint. However, because it usually adopts the construction method of filling and deep burial, the three-grid septic tank collapses and leaks phenomenon, which seriously affects the service life of the septic tank. In this paper, ANSYS finite element analysis software was used to simulate the deformation characteristics of three-lattice septic tanks with different wall thickness and groove depth. The simulated surface was as follows: a septic tank with a diameter of 0.83m and a volume of 1.5m3, when its wall thickness was 8mm, the septic tank shape variable was the smallest. When the groove depth increases from 30mm to 50mm, the septic tank shape variable shows a trend of first increasing and then decreasing, that is, appropriately increasing the wall thickness and groove depth of septic tank can effectively solve the problem of septic tank deformation.","PeriodicalId":227496,"journal":{"name":"2022 3rd International Conference on Advanced Electrical and Energy Systems (AEES)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129174624","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
BLDCM Torque Ripple Suppression Method Based on Improved Quasi-Z Source Network 基于改进准z源网络的无刷直流电机转矩脉动抑制方法
2022 3rd International Conference on Advanced Electrical and Energy Systems (AEES) Pub Date : 2022-09-23 DOI: 10.1109/AEES56284.2022.10079475
Shiduo Wang, Ju Gou
{"title":"BLDCM Torque Ripple Suppression Method Based on Improved Quasi-Z Source Network","authors":"Shiduo Wang, Ju Gou","doi":"10.1109/AEES56284.2022.10079475","DOIUrl":"https://doi.org/10.1109/AEES56284.2022.10079475","url":null,"abstract":"The torque ripple produced by brushless DC motor in the process of commutation seriously hinders its application in aerospace and other fields. By analyzing the causes of commutation torque ripple of Brushless DC motor, a new escl-qzsi (enhanced switched capacitor inductor Quad Z-source inverter) topology is used. The topology replaces the traditional DC power supply through the front-stage power converter, which effectively improves the output DC bus voltage range, The topology works normally by adjusting the delay time of high-level output on the rising and falling edges of Hall signal. The control strategy of escl-qzsi topology is to make the decline rate of off phase current equal to the rise rate of on phase current, so as to make the non commutation current stable and achieve the purpose of restraining torque ripple. The experimental results show that when the new topology is applied to the commutation torque ripple suppression of Brushless DC motor, the torque ripple is reduced by 19.8% and the stability of the system is improved.","PeriodicalId":227496,"journal":{"name":"2022 3rd International Conference on Advanced Electrical and Energy Systems (AEES)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115875206","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 Neutral Point Potential Balance Control Strategy of NPC Three-Level Inverter for Permanent Magnet Synchronous Motor NPC永磁同步电机三电平逆变器中性点电位平衡控制策略研究
2022 3rd International Conference on Advanced Electrical and Energy Systems (AEES) Pub Date : 2022-09-23 DOI: 10.1109/AEES56284.2022.10079520
Shaoqi Wan, Bo Wang, Wenqing Guan, Jingbo Chen, Haiying Dong
{"title":"Research on Neutral Point Potential Balance Control Strategy of NPC Three-Level Inverter for Permanent Magnet Synchronous Motor","authors":"Shaoqi Wan, Bo Wang, Wenqing Guan, Jingbo Chen, Haiying Dong","doi":"10.1109/AEES56284.2022.10079520","DOIUrl":"https://doi.org/10.1109/AEES56284.2022.10079520","url":null,"abstract":"Aiming at the neutral point potential imbalance problem of three-level neutral point clamped (NPC) inverter, an improved neutral point potential balance control strategy depend on space vector modulation method is suggested. Firstly, the equilibrium mechanism of neutral point potential is analyzed by the coupling relationship between neutral point current and dc-link capacitor. In Accord with the influence of the change amplitude of the neutral point potential error variation and the redundant small vector on the direction of the neutral point current, the action time of the redundant small vector pair is corrected. On this basis, the balance control of neutral point potential is realized by using the space vector modulation method. The simulation results show that compared with the control strategy without neutral point potential balance, this approach can forcefully control the neutral point potential balance of NPC three-level inverter. It is of great significance for system stability and accurate control of permanent magnet synchronous motor.","PeriodicalId":227496,"journal":{"name":"2022 3rd International Conference on Advanced Electrical and Energy Systems (AEES)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116975078","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 of Horizontal Maximum Wind Velocity Height of Downburst on Blade Root Load of Wind Turbine 水平最大降爆风速高度对风力机叶片根部负荷的影响
2022 3rd International Conference on Advanced Electrical and Energy Systems (AEES) Pub Date : 2022-09-23 DOI: 10.1109/AEES56284.2022.10079500
D. Li, Xuyao Zhang, Ze Li, Qianyu Wang
{"title":"Influence of Horizontal Maximum Wind Velocity Height of Downburst on Blade Root Load of Wind Turbine","authors":"D. Li, Xuyao Zhang, Ze Li, Qianyu Wang","doi":"10.1109/AEES56284.2022.10079500","DOIUrl":"https://doi.org/10.1109/AEES56284.2022.10079500","url":null,"abstract":"In order to study the influence of the change of the horizontal maximum wind velocity height of downburst on the blade root load characteristics of wind turbine, a three-dimensional fluctuating wind field of downburst was constructed by using the analytical theoretical model of downburst combined with IECKAI fluctuating wind spectrum model, and the variation law of wind turbine blade root load when the horizontal maximum wind velocity height of downburst changed was calculated and analyzed. The results show that when the horizontal maximum wind velocity height of downburst changes from the bottom position to the top position of the rotor plane, it has a great influence on the edgewise bending moment of the wind turbine blade root, and the average value of the maximum value increases by 22.66% compared with the minimum value. When the horizontal maximum wind velocity height of downburst is located at the bottom of the rotor, the average value of the flapwise bending moment is the smallest. When other heights change, the impact on the flapwise bending moment of the blade root is small, and the maximum value of the average value only increases by 2.12% compared with the minimum value.","PeriodicalId":227496,"journal":{"name":"2022 3rd International Conference on Advanced Electrical and Energy Systems (AEES)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116678256","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
Fault Diagnosis of Traction Converter Based on Improved Multiscale Permutation Entropy and Wavelet Analysis 基于改进多尺度置换熵和小波分析的牵引变流器故障诊断
2022 3rd International Conference on Advanced Electrical and Energy Systems (AEES) Pub Date : 2022-09-23 DOI: 10.1109/AEES56284.2022.10079364
Lei Yang, Zheng Li, Haiying Dong
{"title":"Fault Diagnosis of Traction Converter Based on Improved Multiscale Permutation Entropy and Wavelet Analysis","authors":"Lei Yang, Zheng Li, Haiying Dong","doi":"10.1109/AEES56284.2022.10079364","DOIUrl":"https://doi.org/10.1109/AEES56284.2022.10079364","url":null,"abstract":"To solve the problems of low fault diagnosis rate and poor efficiency of AC-DC drive traction converter, a fault diagnosis method based on improved multiscale permutation entropy and wavelet analysis is proposed based on the multiple fault characteristics of input current curve in frequency domain. Firstly, the curve of the traction converter is decomposed by wavelet transform, and the modal components of different time scales are obtained. Then the fault characteristic parameters of different components are calculated by improved multi-scale permutation entropy. Finally, the multivariable support vector machine algorithm based on decision tree is used to obtain the tree-like optimal fault interval surface through small sample training, so as to achieve the fault classification of traction converters. The experimental results show that this method can effectively distinguish the fault types of traction converters, and improve the accuracy and efficiency of fault diagnosis, which has good adaptability and practical significance.","PeriodicalId":227496,"journal":{"name":"2022 3rd International Conference on Advanced Electrical and Energy Systems (AEES)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114496286","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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