发布求助
文献互助 智能选刊 最新文献

2021 IEEE International Magnetic Conference (INTERMAG)最新文献

筛选
英文 中文
Research on Structure Loss Separation of Power Transformer 电力变压器结构损耗分离研究
2021 IEEE International Magnetic Conference (INTERMAG) Pub Date : 2021-04-01 DOI: 10.1109/INTERMAG42984.2021.9579631
Cui Xiao, C. Dezhi, Bai Baodong
{"title":"Research on Structure Loss Separation of Power Transformer","authors":"Cui Xiao, C. Dezhi, Bai Baodong","doi":"10.1109/INTERMAG42984.2021.9579631","DOIUrl":"https://doi.org/10.1109/INTERMAG42984.2021.9579631","url":null,"abstract":"How to effective control losses of large power transformer, such as tank and structural parts, shielding and others, which is significant to reduce the manufacturing cost of power transformer and the safety of network operation. Based above, this paper investigated on the structural parts (pull plates, clamps and others) loss of power transformer with analytical and experimental method under different harmonic conditions. First, measured the B-H, B-P and permeability curves of different materials (silicon steel sheet, non-magnetic steel and steel) under different frequencies. Second, established the loss calculation model of power transformer based on analytical method; at the same time, calculated the losses of the structural parts under different shields with the finite element method. Finally, an experimental study is carried out to verify the correctness of the proposed simulation results.","PeriodicalId":129905,"journal":{"name":"2021 IEEE International Magnetic Conference (INTERMAG)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124456745","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
Torque Analysis of High Power Density Permanent Magnet Synchronous Machines by Considering Core Reluctance 考虑磁心磁阻的高功率密度永磁同步电机转矩分析
2021 IEEE International Magnetic Conference (INTERMAG) Pub Date : 2021-04-01 DOI: 10.1109/INTERMAG42984.2021.9580099
Chengxu Li, Jian Gao, Wen-juan Zhang, Wang Zhou, Shoudao Huang
{"title":"Torque Analysis of High Power Density Permanent Magnet Synchronous Machines by Considering Core Reluctance","authors":"Chengxu Li, Jian Gao, Wen-juan Zhang, Wang Zhou, Shoudao Huang","doi":"10.1109/INTERMAG42984.2021.9580099","DOIUrl":"https://doi.org/10.1109/INTERMAG42984.2021.9580099","url":null,"abstract":"Most torque analysis for permanent magnet synchronous machine (PMSM) are established based on neglecting core reluctance, but due to the high power density PMSM generally works under the condition of high magnetic load, the saturation level in a PMSM is getting severer, which will cause the magnetic conductivity of the core to decrease rapidly, in this case, the core reluctance cannot be ignored. In this paper, a torque analysis method of high power density PMSM considering core reluctance is proposed from the perspective of magnetomotive force (MMF). The conventional torque model is modified to include the influence of core reluctance. Finally, the validity of the analysis approach and torque model is verified by experiment and simulation.","PeriodicalId":129905,"journal":{"name":"2021 IEEE International Magnetic Conference (INTERMAG)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125214879","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 Sensitive 2-Axis Magnetic Sensor Based on Anisotropic Magneto-Resistance Effect 基于各向异性磁阻效应的灵敏二轴磁传感器
2021 IEEE International Magnetic Conference (INTERMAG) Pub Date : 2021-04-01 DOI: 10.1109/INTERMAG42984.2021.9579570
Qi Jiang, Yanfeng Jiang
{"title":"A Sensitive 2-Axis Magnetic Sensor Based on Anisotropic Magneto-Resistance Effect","authors":"Qi Jiang, Yanfeng Jiang","doi":"10.1109/INTERMAG42984.2021.9579570","DOIUrl":"https://doi.org/10.1109/INTERMAG42984.2021.9579570","url":null,"abstract":"Nowadays, the detection of the ultra-weak magnetic field (< 1 mOe) in micro- or nano-scope (< 100 nm) is a hot research field. The magnetic sensor based on the principle of anisotropic magneto-resistance effect is attractive in the application of detecting the ultra-weak magnetic field in a contactless manner. In this paper, a sensitive, 2-axis magnetic sensor based on anisotropic thin-film structure is proposed and fabricated. As the sensor's induction layer, the anisotropic film of permalloy Ni (80%) Fe (20%) is deposited by means of magnetron sputtering. Seed layer under the NiFe layer is used to control the NiFe grain size, which is an important parameter for magneto-resistance. In order to obtain good performance, tantalum is deposited as the seed layer, making the NiFe layer with <111> crystallographic texture with suitable grain size. The characterizations are conducted on the prepared layer, including surface roughness by atomic force microscope (AFM). Based on the characterized results, the magneto-resistance related to the anisotropic effect is demonstrated and analyzed. The influence of the thickness of the anisotropic film on the characteristics of the magnetization and the dynamic range of the sensors, as well as the range of the magnetic field sensitivity, are studied and analyzed in the paper. The deposited film with 20 nm thickness shows obvious anisotropy with low coercivity, resulting in high sensitivity and outstanding detecting ability in the weak magnetic field. In addition, the structural parameters of the sensor are optimized by the results of current density obtained by finite element simulation.","PeriodicalId":129905,"journal":{"name":"2021 IEEE International Magnetic Conference (INTERMAG)","volume":"231 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129961662","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 Hybrid Excitation Axial Flux Permanent Magnet Generator for Direct Drive Wave Energy Conversion 一种用于直接驱动波能转换的混合励磁轴向磁通永磁发电机
2021 IEEE International Magnetic Conference (INTERMAG) Pub Date : 2021-04-01 DOI: 10.1109/INTERMAG42984.2021.9579908
Yang Li, Lei Huang, Minshuo Chen, Peiwen Tan, Minqiang Hu
{"title":"A Hybrid Excitation Axial Flux Permanent Magnet Generator for Direct Drive Wave Energy Conversion","authors":"Yang Li, Lei Huang, Minshuo Chen, Peiwen Tan, Minqiang Hu","doi":"10.1109/INTERMAG42984.2021.9579908","DOIUrl":"https://doi.org/10.1109/INTERMAG42984.2021.9579908","url":null,"abstract":"A novel hybrid excitation axial flux permanent magnet generation (HE-AFPMG) is proposed to improve the electromagnetic performance of conventional axial flux permanent magnet generation and suite the demands of direct drive wave energy conversion. Firstly, the configuration of the HE-AFPMG is introduced. Then operation principle based on open-circuit field distribution and qualitative analysis of field modulation are following. Finally, the electromagnetic performances under no-load and load conditions are analyzed. Meanwhile, the influence of the application of electric excitation on generator is also investigated. It verifies the validity of generator and confirms the excellent field-regulation capability. According to the results, it is proved that the addition of electric excitation field can not only reduce the harmonic component of back EMF, but also broaden the range of load torque.","PeriodicalId":129905,"journal":{"name":"2021 IEEE International Magnetic Conference (INTERMAG)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124997974","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
Reluctance Network Model of Switched Reluctance Motor Considering Magnetic Hysteresis Behavior 考虑磁滞特性的开关磁阻电机磁阻网络模型
2021 IEEE International Magnetic Conference (INTERMAG) Pub Date : 2021-04-01 DOI: 10.1109/INTERMAG42984.2021.9579956
Y. Hane, Kazuhide Mitsuya, K. Nakamura
{"title":"Reluctance Network Model of Switched Reluctance Motor Considering Magnetic Hysteresis Behavior","authors":"Y. Hane, Kazuhide Mitsuya, K. Nakamura","doi":"10.1109/INTERMAG42984.2021.9579956","DOIUrl":"https://doi.org/10.1109/INTERMAG42984.2021.9579956","url":null,"abstract":"Quantitative analysis of the iron loss taking the magnetic hysteresis behavior into account is essential to development of high-efficiency electric machines. In previous papers, a novel reluctance network analysis (RNA) model incorporating a play model, which is one of the phenomenological models of the magnetic hysteresis, was proposed. It was clear that the proposed method can calculate the iron loss including the magnetic hysteresis with high accuracy by using the simple model. However, this method has been applied to devices in which voltage and current waveforms are almost sinusoidal. Therefore, in this paper, the versatility of the proposed method for a switched reluctance (SR) motor, whose flux waveform is distorted and dc-biased due to the square-wave voltage excitation, is experimentally demonstrated.","PeriodicalId":129905,"journal":{"name":"2021 IEEE International Magnetic Conference (INTERMAG)","volume":"365 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124584270","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
[Copyright notice] (版权)
2021 IEEE International Magnetic Conference (INTERMAG) Pub Date : 2021-04-01 DOI: 10.1109/intermag42984.2021.9579926
{"title":"[Copyright notice]","authors":"","doi":"10.1109/intermag42984.2021.9579926","DOIUrl":"https://doi.org/10.1109/intermag42984.2021.9579926","url":null,"abstract":"","PeriodicalId":129905,"journal":{"name":"2021 IEEE International Magnetic Conference (INTERMAG)","volume":"74 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127163429","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
Rogowski Coil with Ferromagnetic Core for Precise Monitoring of Low-frequency Currents 用于低频电流精确监测的Rogowski铁磁线圈
2021 IEEE International Magnetic Conference (INTERMAG) Pub Date : 2021-04-01 DOI: 10.1109/INTERMAG42984.2021.9579562
V. Grim, P. Ripka, K. Draxler, M. Mirzaei
{"title":"Rogowski Coil with Ferromagnetic Core for Precise Monitoring of Low-frequency Currents","authors":"V. Grim, P. Ripka, K. Draxler, M. Mirzaei","doi":"10.1109/INTERMAG42984.2021.9579562","DOIUrl":"https://doi.org/10.1109/INTERMAG42984.2021.9579562","url":null,"abstract":"Sensitivity of precise Rogowski coils can be increased by using low-permeability magnetic core instead of air core. This allows to increase the resolution for small current values. We have studied an impact of cores with µr = 14 and 26 on linearity, frequency dependence, crosstalk from external currents and sensitivity to misplacement of the measured current. Both 3D FEM simulations and measurement were used. While we found negligible effect on crosstalk and resistance to misplacement and also on frequency characteristics, the linearity was significantly degraded. However, the linearity error in case of µr = 14, 80 mm diameter Rogowski coil with 1000 A range is still below 0.2 %, which is sufficient for energy meters.","PeriodicalId":129905,"journal":{"name":"2021 IEEE International Magnetic Conference (INTERMAG)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127234703","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 of the HTS Magnetic Bearing Rotor Incorporated the Secondary of the Induction Motor 结合感应电机二级系统的高温超导磁轴承转子设计
2021 IEEE International Magnetic Conference (INTERMAG) Pub Date : 2021-04-01 DOI: 10.1109/INTERMAG42984.2021.9579728
Marin Minamitani, S. Takimura, S. Ohashi
{"title":"Design of the HTS Magnetic Bearing Rotor Incorporated the Secondary of the Induction Motor","authors":"Marin Minamitani, S. Takimura, S. Ohashi","doi":"10.1109/INTERMAG42984.2021.9579728","DOIUrl":"https://doi.org/10.1109/INTERMAG42984.2021.9579728","url":null,"abstract":"This paper proposes the design of a high-temperature superconductor (HTS) magnetic bearing rotor incorporated the secondary of the induction motor. The rotor is rotated using the principle of the induction motor. The structure of the rotor is determined by electromagnetic field analysis. The thickness of aluminum is analyzed so that sufficient torque is generated to rotate the rotor. The magnetic shield is used to guide the rotating field to the outside without getting inside the rotor. The air gap increases the reluctance and suppresses flux from the inside of the magnetic shield toward the yoke. The thickness of the magnetic shield and the air gap are changed, and the appropriate thickness is analyzed so that flux inside the rotor would not be disturbed by the influence of the rotating field. Thus, the HTS magnetic bearing rotor incorporated the secondary of the induction motor is designed. In addition, the rotational characteristic is measured at levitation gap g = 8, 10 mm. As a result, the rotor rotates up to 500 rpm by the rotating field of the induction motor. On the other hand, force other than the rotational direction is applied to the rotor, and vibration occurs. The vibration of the rotor at levitation gap g = 8 mm decreases by 20% compared with that of g = 10 mm. Because linkage flux of the HTS surface at g = 8 mm increases by 18% compared with that of g = 10 mm, the pinning force that supports the rotor increases. It is shown that stability of the rotor improves as the levitation gap decreases and flux on the HTS surface increases.","PeriodicalId":129905,"journal":{"name":"2021 IEEE International Magnetic Conference (INTERMAG)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128053141","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
Vibration analysis of the multi-unit permanent magnet synchronous machine in the non-mechanical-load indirect-testing situation 多单元永磁同步电机在无机械负载间接测试情况下的振动分析
2021 IEEE International Magnetic Conference (INTERMAG) Pub Date : 2021-04-01 DOI: 10.1109/INTERMAG42984.2021.9579685
Depeng Zeng, J. Zou, Yongxiang Xu, Qi Wei
{"title":"Vibration analysis of the multi-unit permanent magnet synchronous machine in the non-mechanical-load indirect-testing situation","authors":"Depeng Zeng, J. Zou, Yongxiang Xu, Qi Wei","doi":"10.1109/INTERMAG42984.2021.9579685","DOIUrl":"https://doi.org/10.1109/INTERMAG42984.2021.9579685","url":null,"abstract":"The vibration of the machine is always cared, since it may influence the stability and reliability characteristics. Some indirect-testing methods for the multi-unit permanent magnet synchronous machine have been proposed in order to measure the parameters and characteristics of the machine without any mechanical load. The aim of this paper is to calculate and analyze the vibration of the machine in the indirect-testing method, and discuss the difference of the vibration characteristics between the indirect-testing situation and the direct-testing situation. To validate the analysis, the calculated radial electromagnetic force and vibration are compared with the test results of a multi-unit PMSM prototype.","PeriodicalId":129905,"journal":{"name":"2021 IEEE International Magnetic Conference (INTERMAG)","volume":"67 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133035316","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 Novel Two-Step Flux Linkage Identification for PMSMs Considering Magnetic Saturation and Spatial Harmonics 一种考虑磁饱和和空间谐波的永磁同步电机磁链辨识方法
2021 IEEE International Magnetic Conference (INTERMAG) Pub Date : 2021-04-01 DOI: 10.1109/INTERMAG42984.2021.9579603
Ying Zuo, Seyedeh Nazanin Afrasiabi, Chunyan Lai
{"title":"A Novel Two-Step Flux Linkage Identification for PMSMs Considering Magnetic Saturation and Spatial Harmonics","authors":"Ying Zuo, Seyedeh Nazanin Afrasiabi, Chunyan Lai","doi":"10.1109/INTERMAG42984.2021.9579603","DOIUrl":"https://doi.org/10.1109/INTERMAG42984.2021.9579603","url":null,"abstract":"Accurate identification of flux linkages through experimental tests is important for both motor design validations and the development of advanced control techniques for permanent magnet synchronous machines (PMSMs). This paper proposes a novel two-step flux linkage identification method for PMSMs considering both magnetic saturation and spatial harmonics. In step one, an offline estimation of the flux linkages considering magnetic saturation based on genetic algorithm is proposed, while the spatial harmonics effect has been mitigated compared with the existing method. In the second step, the Kalman filter is employed to estimate the spatial harmonics online based on the proposed state-space observer with the estimated offline data in step one. Therefore, the proposed method achieves to consider both magnetic saturation and spatial harmonics for PMSM flux linkage identification. The proposed model and approach are tested on both interior PMSM and surface-mounted PMSM using the finite element analysis (FEA) supported co-simulation and show good performance compared with the FEA results.","PeriodicalId":129905,"journal":{"name":"2021 IEEE International Magnetic Conference (INTERMAG)","volume":"151 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116104545","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: 2
首页 上一页 下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：481959085
Book学术官方微信