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Operational Analysis of Integrated Port Energy Systems With Load Reduction Impact 减少负荷影响的综合港口能源系统运行分析
IF 1.7 3区 物理与天体物理
IEEE Transactions on Applied Superconductivity Pub Date : 2024-09-23 DOI: 10.1109/TASC.2024.3466789
Lewei Zhu;Xintong Li;Yifei Wang;Kai Hou;Xinghui Xu
{"title":"Operational Analysis of Integrated Port Energy Systems With Load Reduction Impact","authors":"Lewei Zhu;Xintong Li;Yifei Wang;Kai Hou;Xinghui Xu","doi":"10.1109/TASC.2024.3466789","DOIUrl":"https://doi.org/10.1109/TASC.2024.3466789","url":null,"abstract":"To address the challenges related to energy utilization and pollutant emissions in ports, there has been a growing focus on researching the comprehensive energy system of ports. However, existing studies have overlooked the influence of load reduction on the functioning of these systems, potentially affecting their overall stability. This paper proposes a methodology for analyzing the operational strategies of integrated port energy systems, specifically considering the impact of load reduction. The proposed method involves quantifying the effects of various load reductions on the system and calculating a load reduction impact coefficient. This coefficient serves as a crucial metric for prioritizing actions that ensure stable energy supply, thereby forming the basis for developing effective operational plans. The effectiveness of this methodology is validated through the analysis of load reduction impact coefficients in four operational strategies of integrated port energy systems.","PeriodicalId":13104,"journal":{"name":"IEEE Transactions on Applied Superconductivity","volume":"34 8","pages":"1-5"},"PeriodicalIF":1.7,"publicationDate":"2024-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142518006","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An Analytical Prediction Method for Zero-Order Vibration and Noise of Permanent Magnet Synchronous Motor 永磁同步电机零阶振动和噪声的分析预测方法
IF 1.7 3区 物理与天体物理
IEEE Transactions on Applied Superconductivity Pub Date : 2024-09-23 DOI: 10.1109/TASC.2024.3466793
Daolu Li;Ying Xie;Wei Cai;Fang Zhang;Yongning Sun
{"title":"An Analytical Prediction Method for Zero-Order Vibration and Noise of Permanent Magnet Synchronous Motor","authors":"Daolu Li;Ying Xie;Wei Cai;Fang Zhang;Yongning Sun","doi":"10.1109/TASC.2024.3466793","DOIUrl":"https://doi.org/10.1109/TASC.2024.3466793","url":null,"abstract":"This paper accurately predicts the zero-order vibration and noise of interior permanent magnet synchronous motor (IPMSM). Initially, a specific order of radial electromagnetic (EM) force with significant vibration effects is identified, confirming the zero-order vibration as the source of vibration. To further predict this vibration, the assembly of the enclosure, stator core, windings and end covers is equivalent to a single cylindrical shell, the isotropic or orthotropic properties of each component are fully taken into account, and the composite material parameters of the shell are calculated. Subsequently, an analytical model of shell is developed to predict the zero-order vibration displacement and sound pressure level (SPL) of the motor. Furthermore, these results under no-load and rated-load conditions are validated by simulation and experiment. In addition, this analytical method is also pointed out to be suitable for the IPMSM with a spliced stator core featuring different material parameters, and a vibration reduction strategy is analyzed.","PeriodicalId":13104,"journal":{"name":"IEEE Transactions on Applied Superconductivity","volume":"34 8","pages":"1-6"},"PeriodicalIF":1.7,"publicationDate":"2024-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142434612","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Principle and Analysis of Structure of Low-Speed High-Torque Gear Meshing Motor Driven by Radial Force 由径向力驱动的低速高扭矩齿轮啮合电机的原理与结构分析
IF 1.7 3区 物理与天体物理
IEEE Transactions on Applied Superconductivity Pub Date : 2024-09-20 DOI: 10.1109/TASC.2024.3465453
Guodong Yu;Shuqi Sun;Yiman Li;Yongxiang Xu;Jibin Zou
{"title":"Principle and Analysis of Structure of Low-Speed High-Torque Gear Meshing Motor Driven by Radial Force","authors":"Guodong Yu;Shuqi Sun;Yiman Li;Yongxiang Xu;Jibin Zou","doi":"10.1109/TASC.2024.3465453","DOIUrl":"https://doi.org/10.1109/TASC.2024.3465453","url":null,"abstract":"This paper proposes a new motor structure based on the electromagnetic radial force drive. The radial electromagnetic force is converted into output torque through the meshing action of the gear pair, thereby significantly improving the torque density. In this study, the magnetic circuit characteristics and air gap flux density distribution are analyzed and verified through finite-element method. The analysis results of the radial force on the internal gear as a function of time are given. Then the gear pair model was designed, and its feasibility was verified. Evaluating the performance of the motor, it can reach a torque density of 13 Nm/L in a small volume of 0.16 L. The proposed motor structure has significant advantages in space-constrained low-speed and high-torque applications.","PeriodicalId":13104,"journal":{"name":"IEEE Transactions on Applied Superconductivity","volume":"34 8","pages":"1-5"},"PeriodicalIF":1.7,"publicationDate":"2024-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142573663","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","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 Relative Velocity of Moving Disk for Novel HTS Movable Tooth Motor 新型 HTS 可动齿马达移动盘相对速度研究
IF 1.7 3区 物理与天体物理
IEEE Transactions on Applied Superconductivity Pub Date : 2024-09-20 DOI: 10.1109/TASC.2024.3465379
Chenxing Zhan;Xin Liu
{"title":"Study on Relative Velocity of Moving Disk for Novel HTS Movable Tooth Motor","authors":"Chenxing Zhan;Xin Liu","doi":"10.1109/TASC.2024.3465379","DOIUrl":"https://doi.org/10.1109/TASC.2024.3465379","url":null,"abstract":"This paper proposes a novel HTS movable tooth motor (HTS-MTM) for electric vehicles (EVs), which integrates the HTS motor with movable tooth drive by eccentric shaft. The motor has the advantages of compact structure, high power density and high efficiency. The relative velocity between movable tooth and moving disk can be reduced by bearing on eccentric shaft. The structure and working principle of HTS-MTM are introduced. Based on the position relationship of movable tooth drive, the track equation of fixing disk and its deceleration ratio are derived, and the output speed of HTS-MTM is obtained. With the conversion mechanism method, the relative velocity between movable tooth and moving disk track is calculated, and the influences of structural parameters on relative velocity are also analyzed. The result shows that the relative velocity in HTS-MTM can be reduced significantly, which is beneficial for power efficiency.","PeriodicalId":13104,"journal":{"name":"IEEE Transactions on Applied Superconductivity","volume":"34 8","pages":"1-5"},"PeriodicalIF":1.7,"publicationDate":"2024-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142376871","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Harmonic Suppression Strategy for Dual Three-Phase Permanent Magnet Synchronous Machines Based on a Multi-Input Multi-Output Controller 基于多输入多输出控制器的双三相永磁同步电机谐波抑制策略
IF 1.7 3区 物理与天体物理
IEEE Transactions on Applied Superconductivity Pub Date : 2024-09-20 DOI: 10.1109/TASC.2024.3465371
Depeng Zeng;Yueru Ren;Pengyu Gao;Kai Guo;Zunheng Wang
{"title":"Harmonic Suppression Strategy for Dual Three-Phase Permanent Magnet Synchronous Machines Based on a Multi-Input Multi-Output Controller","authors":"Depeng Zeng;Yueru Ren;Pengyu Gao;Kai Guo;Zunheng Wang","doi":"10.1109/TASC.2024.3465371","DOIUrl":"https://doi.org/10.1109/TASC.2024.3465371","url":null,"abstract":"To suppress the harmonic components of the phase current of dual three-phase permanent magnet synchronous machines (DTP-PMSMs), an improved control strategy based on the multi-input multi-output (MIMO) proportional resonant (PR) controller is proposed in this paper. The control strategy includes the optimization of the controller and the integration of the voltage feedforward compensation method. By analyzing the traditional vector control strategy based on the vector space decoupling (VSD) coordinate transformation, an equivalent MIMO PR controller with parameter tuning is proposed, which can achieve no static error tracking for the alternating current (AC) signals. The controller considers the decoupling compensation in the traditional vector control strategy, which reduces the complexity of the system. The voltage feedforward compensation path includes the extraction of harmonic currents and the derivation of compensation voltage. By using feedforward compensation for specific harmonic components, more effective suppression of harmonic components can be achieved. Finally, the proposed control strategy was experimentally validated on the experimental platform. Compared with the traditional vector control strategy based on the VSD coordinate transformation, under the proposed control strategy, the total harmonic distortion (THD) content of the machine phase current was reduced by 6.12%, verifying the effectiveness and feasibility of the proposed strategy.","PeriodicalId":13104,"journal":{"name":"IEEE Transactions on Applied Superconductivity","volume":"34 8","pages":"1-5"},"PeriodicalIF":1.7,"publicationDate":"2024-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142434607","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Thermal Modeling of a High-Voltage Fault-Tolerant Wind Generator With HTS Bulks 带 HTS Bulks 的高电压容错风力发电机的热建模
IF 1.7 3区 物理与天体物理
IEEE Transactions on Applied Superconductivity Pub Date : 2024-09-20 DOI: 10.1109/TASC.2024.3465377
Pengzhao Wang;Ruochen Tang;Hai Li;Xiangjun Zeng
{"title":"Thermal Modeling of a High-Voltage Fault-Tolerant Wind Generator With HTS Bulks","authors":"Pengzhao Wang;Ruochen Tang;Hai Li;Xiangjun Zeng","doi":"10.1109/TASC.2024.3465377","DOIUrl":"https://doi.org/10.1109/TASC.2024.3465377","url":null,"abstract":"High-voltage fault-tolerant wind generators with high-temperature superconducting (HTS) bulks are being considered for offshore wind farms since they can simplify connections of wind farms and reduce maintenance costs. Due to the low operating temperature of the cross-linked polyethylene (XLPE) insulation used, the key to developing such generators is to accurately predict their thermal performance at the design stage. In this paper, a thermal model based on the lumped parameter thermal network (LPTN) method is established to achieve this goal. The characteristic of this thermal model is that copper loss and iron loss and their temperature dependence are considered simultaneously. These losses are precisely obtained by coupling the electromagnetic field. In particular, the temperature dependence of thermal conductivity is also taken into account. The effectiveness of the thermal model is verified by finite element analysis (FEA). Moreover, a comparison is made with the LPTN model which does not use temperature-dependent thermal conductivity. The established thermal model can be used for the optimization design of generators with similar structures.","PeriodicalId":13104,"journal":{"name":"IEEE Transactions on Applied Superconductivity","volume":"34 8","pages":"1-5"},"PeriodicalIF":1.7,"publicationDate":"2024-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142377119","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Theoretical Research on Constructing Gradient Field in Magnetic Particle Imaging System With Superconductor 利用超导体在磁粒子成像系统中构建梯度场的理论研究
IF 1.7 3区 物理与天体物理
IEEE Transactions on Applied Superconductivity Pub Date : 2024-09-20 DOI: 10.1109/TASC.2024.3465450
Yushen Tian;Shaohua Ma;Chengsong Wang;Lin Fan
{"title":"Theoretical Research on Constructing Gradient Field in Magnetic Particle Imaging System With Superconductor","authors":"Yushen Tian;Shaohua Ma;Chengsong Wang;Lin Fan","doi":"10.1109/TASC.2024.3465450","DOIUrl":"https://doi.org/10.1109/TASC.2024.3465450","url":null,"abstract":"As a novel detecting technique, the research on superconducting magnetic particle imaging (MPI) is still a virgin land to break. Here, comparative research between copper and MgB\u0000<sub>2</sub>\u0000-based MPI is conducted to explore the performance of superconducting MPI in generating and controlling the gradient magnetic field. According to the theoretical calculation and simulation analysis at the mouse-scale, the superconducting MPI can serve as a potential replacement for the conventions with significantly reduced volume and weight, which provides an improved magnetic gradient with finer scanning region and effectively controls the unintended noises with the same frequency as the target signals.","PeriodicalId":13104,"journal":{"name":"IEEE Transactions on Applied Superconductivity","volume":"34 8","pages":"1-4"},"PeriodicalIF":1.7,"publicationDate":"2024-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142447056","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Prediction Method of Direct Normal Irradiance for Solar Thermal Power Plants Based on VMD-WOA-DELM 基于 VMD-WOA-DELM 的太阳能热电厂直接法线辐照度预测方法
IF 1.7 3区 物理与天体物理
IEEE Transactions on Applied Superconductivity Pub Date : 2024-09-20 DOI: 10.1109/TASC.2024.3465370
Siyuan Zhang;Dongsheng Niu;Zhi Zhou;Yanglong Duan;Jian Chen;Genben Yang
{"title":"Prediction Method of Direct Normal Irradiance for Solar Thermal Power Plants Based on VMD-WOA-DELM","authors":"Siyuan Zhang;Dongsheng Niu;Zhi Zhou;Yanglong Duan;Jian Chen;Genben Yang","doi":"10.1109/TASC.2024.3465370","DOIUrl":"https://doi.org/10.1109/TASC.2024.3465370","url":null,"abstract":"The Direct Normal Irradiance (DNI), being the energy source for solar thermal power plants, can remarkably impact the reliability and efficiency of these plants because of its inherent randomness and fluctuations. In this view, we propose a prediction method for DNI based on the Variational Mode Decomposition-Whale Optimization Algorithm-Deep Extreme Learning Machine (VMD-WOA-DELM) to optimize the control and operation of such plants. Initially, the VMD technique is utilized to decompose the DNI into intrinsic mode function components, followed by the extraction of temporal and frequency domain characteristics to form feature vectors for each component. Subsequently, the WOA is employed for parameter optimization, enhancing algorithm stability, and yielding the optimal classification model. Finally, the solar DNI is determined by an improved Extreme Learning Machine algorithm, DELM. Taking a solar thermal power plant in Qinghai Province as a case study, an analysis of actual predictive performance and corresponding performance evaluation indicators concludes that the variations and numerical values of DNI can be accurately forecasted using the established prediction approach.","PeriodicalId":13104,"journal":{"name":"IEEE Transactions on Applied Superconductivity","volume":"34 8","pages":"1-4"},"PeriodicalIF":1.7,"publicationDate":"2024-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142438566","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of Stretching Ratio on Dielectric Properties of Polypropylene Film for Capacitor in SMES 拉伸比对 SMES 电容器用聚丙烯薄膜介电性能的影响
IF 1.7 3区 物理与天体物理
IEEE Transactions on Applied Superconductivity Pub Date : 2024-09-20 DOI: 10.1109/TASC.2024.3465389
Zhaoliang Xing;Shaowei Guo;Jianhong Hao;Bo Qi;Meng Xiao
{"title":"Effect of Stretching Ratio on Dielectric Properties of Polypropylene Film for Capacitor in SMES","authors":"Zhaoliang Xing;Shaowei Guo;Jianhong Hao;Bo Qi;Meng Xiao","doi":"10.1109/TASC.2024.3465389","DOIUrl":"https://doi.org/10.1109/TASC.2024.3465389","url":null,"abstract":"In this paper, polypropylene (PP) film samples were obtained at different stretching ratios. The dielectric properties of PP samples were studied. The crystal morphology and orientation degree of the materials were characterized. The findings indicate that the PP film sample with the stretching ratio 5 × 5 has the lowest conductivity and the highest breakdown strength. Moreover, the effect mechanism of the stretching ratio on the dielectric properties of PP films was explored. A reasonable stretching ratio can make the molecular chains of PP aligned, form an orderly crystalline morphology, and improve the crystallinity. When the stretching ratio is too high, the orientation degree of PP will decrease and the spherulite structure will be destroyed, leading to a decrease in dielectric properties. The research results can serve as a reference for improving the dielectric properties of PP films.","PeriodicalId":13104,"journal":{"name":"IEEE Transactions on Applied Superconductivity","volume":"34 8","pages":"1-4"},"PeriodicalIF":1.7,"publicationDate":"2024-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142600219","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Series-Parallel Variable Reluctance Memory Machine With Zero-Sequence Current Adjustment Magnetization Capability 具有零序电流调整磁化功能的串并联可变电阻记忆机
IF 1.7 3区 物理与天体物理
IEEE Transactions on Applied Superconductivity Pub Date : 2024-09-20 DOI: 10.1109/TASC.2024.3465460
Ling Qin;Hui Yang;Shuhua Fang;Heyun Lin
{"title":"A Series-Parallel Variable Reluctance Memory Machine With Zero-Sequence Current Adjustment Magnetization Capability","authors":"Ling Qin;Hui Yang;Shuhua Fang;Heyun Lin","doi":"10.1109/TASC.2024.3465460","DOIUrl":"https://doi.org/10.1109/TASC.2024.3465460","url":null,"abstract":"This paper proposes a series-parallel variable reluctance memory machine with zero-sequence (ZS) current magnetization capability (ZSCM-SPVRMM). The magnetization states (MSs) of LCF PM can be adjusted by injecting a ZS current, which improves the space utilization ratio. The ZSCM-SPVRMM utilizes the SP design. The series PM pole can protect the MS stability of LCF PM, while the parallel design can improve the torque capability. The machine topology and flux adjustable principle are described in detail. Through optimizing the stator/rotor combinations and optimization, the machine parameters are determined. The electromagnetic performance o of the proposed design is investigated, which indicates the ZSCM-SPVRMM has a good ability of flux regulation.","PeriodicalId":13104,"journal":{"name":"IEEE Transactions on Applied Superconductivity","volume":"34 8","pages":"1-5"},"PeriodicalIF":1.7,"publicationDate":"2024-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142376655","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","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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