2023 IEEE 6th International Electrical and Energy Conference (CIEEC)最新文献

Magnetic Field Energy Harvesting with Broad Frequency Band 宽频带磁场能量收集

2023 IEEE 6th International Electrical and Energy Conference (CIEEC) Pub Date : 2023-05-12 DOI: 10.1109/CIEEC58067.2023.10166011

Liang Li, Hongfei Xiao, Han Peng, Chen Ao, Jun Du, Haiquan Sun

引用次数: 0

Deadbeat Predictive Current Control Based on Accurate Discrete Luenberger Observer for PMSM under Low Frequency Ratio 低频比下基于精确离散Luenberger观测器的永磁同步电机无差拍预测电流控制

2023 IEEE 6th International Electrical and Energy Conference (CIEEC) Pub Date : 2023-05-12 DOI: 10.1109/CIEEC58067.2023.10166561

Yanping Zhang, Zhonggang Yin, Wen-Hu Huang, Bai Cong

{"title":"Deadbeat Predictive Current Control Based on Accurate Discrete Luenberger Observer for PMSM under Low Frequency Ratio","authors":"Yanping Zhang, Zhonggang Yin, Wen-Hu Huang, Bai Cong","doi":"10.1109/CIEEC58067.2023.10166561","DOIUrl":"https://doi.org/10.1109/CIEEC58067.2023.10166561","url":null,"abstract":"Aiming at the problems of discrete truncation error and parameter sensitivity of traditional deadbeat predictive current control under low frequency ratio, a deadbeat predictive current control based on accurate discrete Luenberger observer for permanent magnet synchronous motor is proposed. In order to eliminate the angle delay caused by coordinate transformation, an accurate discrete model of permanent magnet synchronous motor is established in the $alphabeta$-axes. On this basis, an accurate model deadbeat predictive current control is designed. At the same time, in order to suppress the steady-state error of deadbeat predictive current control caused by parameter mismatch, an accurate discrete Luenberger observer is embedded in the deadbeat predictive current control, which directly designs the parameters of the Luenberger observer in the discrete domain, and analyzes the stability of the accurate discrete Luenberger observer. Finally, the effectiveness of the proposed method is verified on a 2.1 kW permanent magnet synchronous motor experimental platform.","PeriodicalId":185921,"journal":{"name":"2023 IEEE 6th International Electrical and Energy Conference (CIEEC)","volume":"139 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115377340","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

Migration Characteristics of Moisture in RIP Materials and Its Influence on Surface Insulation Characteristics 水分在RIP材料中的迁移特性及其对表面绝缘特性的影响

2023 IEEE 6th International Electrical and Energy Conference (CIEEC) Pub Date : 2023-05-12 DOI: 10.1109/CIEEC58067.2023.10166464

F. Zhou, Ruodong Huang, Chao Gao, Guoli Wang, Yun Yang, Jiaming Xiong, Y. Qiao, Tongchun Luo, Haicheng Hong, Shilong Guan

{"title":"Migration Characteristics of Moisture in RIP Materials and Its Influence on Surface Insulation Characteristics","authors":"F. Zhou, Ruodong Huang, Chao Gao, Guoli Wang, Yun Yang, Jiaming Xiong, Y. Qiao, Tongchun Luo, Haicheng Hong, Shilong Guan","doi":"10.1109/CIEEC58067.2023.10166464","DOIUrl":"https://doi.org/10.1109/CIEEC58067.2023.10166464","url":null,"abstract":"At present, the wall bushings and converter transformer bushings in domestic HVDC projects mostly use epoxy resin impregnated paper (RIP) dry bushings. The RIP material has a certain degree of water absorption, so the surface of the RIP core is coated with a two-component insulating varnish made of epoxy resin and modified polyamide resin to prevent moisture. This paper studies the surface insulation strength and moisture transfer law of materials subjected to moisture. It is found that the DC flashover field strengths of the coated samples before being wetted are higher than those of the uncoated samples by 5.7%. After the sample was exposed to moisture for 24 hours and 72 hours, the flashover voltage decreased by 31.6% and 47.1% respectively compared with the flashover voltage without moisture. The water absorption rate of RIP material decreased by 39.9% after being coated. However, after coating, the surface layer of the material has high humidity due to the easy water absorption of polyamide, so the insulation performance along the surface of the coated sample is still significantly reduced after being exposed to moisture for a long time. Based on the research results, a vacuum high-temperature drying process that can effectively improve the DC flash insulation properties of damp specimens is proposed, which provides reference and support for the method of core moisture resistance and improving its insulation performance along the surface.","PeriodicalId":185921,"journal":{"name":"2023 IEEE 6th International Electrical and Energy Conference (CIEEC)","volume":"372 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115607774","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

Active source-load control method for microgrid based on distributed control mode 基于分布式控制模式的微电网源负荷主动控制方法

2023 IEEE 6th International Electrical and Energy Conference (CIEEC) Pub Date : 2023-05-12 DOI: 10.1109/CIEEC58067.2023.10167342

Rui Zhang, Lide Zhou, Junwei Zhao, Ruifeng Xu, H. Rao

{"title":"Active source-load control method for microgrid based on distributed control mode","authors":"Rui Zhang, Lide Zhou, Junwei Zhao, Ruifeng Xu, H. Rao","doi":"10.1109/CIEEC58067.2023.10167342","DOIUrl":"https://doi.org/10.1109/CIEEC58067.2023.10167342","url":null,"abstract":"With the development of new power system, more and more distributed new energy devices are connected to the power grid, and many microgrids have emerged to achieve source-load balancing by controlling distributed power sources. The cooperative interaction among multiple microgrids greatly improves the reliability of power supply and load recovery speed of microgrids, and in this process, it is necessary to clarify the recoverable power-loss loads of each microgrid and the sequence of load restoration. Therefore, this paper proposes an active source-load control method for microgrid based on distributed control mode. Firstly, the source-load control architecture of multi-microgrid collaboration is described, including the upper layer control mode composed of sub-microgrid control hub intelligences and the lower layer control mode composed of micro-source intelligences. Secondly, the microgrid load importance model is established, as well as the method of determining the restoration order of the power-loss loads. Again, the consistency calculation method under the distributed control model is proposed, and the power distribution and corresponding frequency compensation between the micro power supplies connected to each microgrid are determined through the consistency calculation. Finally, the calculation example verifies the effectiveness and scientificity of the method proposed in this paper, which provides important technical means for active source-load control of microgrid and has high engineering application value.","PeriodicalId":185921,"journal":{"name":"2023 IEEE 6th International Electrical and Energy Conference (CIEEC)","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123159234","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 And Application Of A Smart Interactive Distribution Area For Photovoltaic, Energy Storage And Charging Piles 光伏、储能和充电桩智能交互配电网的设计与应用

2023 IEEE 6th International Electrical and Energy Conference (CIEEC) Pub Date : 2023-05-12 DOI: 10.1109/CIEEC58067.2023.10166853

Huaidong Min, Zhichun Yang, Fan Yang, Wei Hu, Yang Lei, Shi Luo

引用次数: 0

Electric field strength distribution on the surface of contact network insulators for railroads under rainfall environment 降雨环境下铁路接触网绝缘子表面电场强度分布

2023 IEEE 6th International Electrical and Energy Conference (CIEEC) Pub Date : 2023-05-12 DOI: 10.1109/CIEEC58067.2023.10166258

Zhenwei Zhao, Ze Li, Chengzheng Li, Wenhao Gao, Yongpeng Liu, Kai Nie, Shuqi Li, Jingjing Yang, Qingquan Li

{"title":"Electric field strength distribution on the surface of contact network insulators for railroads under rainfall environment","authors":"Zhenwei Zhao, Ze Li, Chengzheng Li, Wenhao Gao, Yongpeng Liu, Kai Nie, Shuqi Li, Jingjing Yang, Qingquan Li","doi":"10.1109/CIEEC58067.2023.10166258","DOIUrl":"https://doi.org/10.1109/CIEEC58067.2023.10166258","url":null,"abstract":"Under the rainfall environment, the electric field strength on the contact network insulator surface is distorted, which is detrimental to the normal operation of the high-speed railroads power system. To study the correlation between water droplets and insulator electric field characteristics, the electric field distribution on the surface of contact network insulators was simulated in multi-physics field simulation software. The effects of different water droplet parameters on the electric field distortion characteristics of the contact network insulator surface were analyzed with the electric field distortion rate as the evaluation criterion. The results showed that the presence of water droplets caused a severe distortion of the electric field. The water droplet spacing has the greatest effect on the distortion characteristics of the electric field, which is about 275%. Therefore, it is of great importance to analyze the influence of water droplets on the insulator surface on the field strength distribution under the rainfall environment.","PeriodicalId":185921,"journal":{"name":"2023 IEEE 6th International Electrical and Energy Conference (CIEEC)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121055156","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

Behind-the-Meter Energy Storage System Operation via Hindsight Experience Replay 通过后见之明的经验回放的表后储能系统运行

2023 IEEE 6th International Electrical and Energy Conference (CIEEC) Pub Date : 2023-05-12 DOI: 10.1109/CIEEC58067.2023.10166167

Zhenhuan Ding, Wentao Li, Xiaoyu Zhang, Qianqian Zhang

引用次数: 0

Rotor Stress of Slotless High-Speed Permanent Magnet BLDC Motor 无槽高速永磁无刷直流电机转子应力

2023 IEEE 6th International Electrical and Energy Conference (CIEEC) Pub Date : 2023-05-12 DOI: 10.1109/CIEEC58067.2023.10165815

Wenqi Fu, Wei He, You Wang, Jing Zhao

引用次数: 0

Design of Torque Observer Based on Improved Elman Neural Network for Permanent Magnet Synchronous Motor 基于改进Elman神经网络的永磁同步电机转矩观测器设计

2023 IEEE 6th International Electrical and Energy Conference (CIEEC) Pub Date : 2023-05-12 DOI: 10.1109/CIEEC58067.2023.10167288

Tianzhuang Ding, Shi Jin, Peng Sun, Bo Wang

引用次数: 0

Harmonic Analysis for Low-Capacitance Cascaded H-Bridge STATCOM with Phase-shifted PWM 移相PWM低电容级联h桥STATCOM的谐波分析

2023 IEEE 6th International Electrical and Energy Conference (CIEEC) Pub Date : 2023-05-12 DOI: 10.1109/CIEEC58067.2023.10166836

Hengyi Wang, Xingxiao Xia

引用次数: 0