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2011 International Conference on Electrical Machines and Systems最新文献

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Research on magnetic field and temperature field of air core power reactor 空心电抗器磁场和温度场的研究
2011 International Conference on Electrical Machines and Systems Pub Date : 2011-11-15 DOI: 10.1109/ICEMS.2011.6074008
Yan Xiuke, Dai Zhongbin, Yu Cun-zhan, Qi Yanli
{"title":"Research on magnetic field and temperature field of air core power reactor","authors":"Yan Xiuke, Dai Zhongbin, Yu Cun-zhan, Qi Yanli","doi":"10.1109/ICEMS.2011.6074008","DOIUrl":"https://doi.org/10.1109/ICEMS.2011.6074008","url":null,"abstract":"The 2D and 3D magnetic field of air core power reactor have been analyzed in this paper. Field-circuit coupled FEM model is established to calculate 2D magnetic field and winding currents. The calculated currents have been taken as excitation to calculate 3D magnetic field. The resistance losses and eddy current losses have been computed based on magnetic field analysis. Furthermore, taking all losses as thermal sources, 3D temperature field of air core reactor has been analyzed and discussed.","PeriodicalId":101507,"journal":{"name":"2011 International Conference on Electrical Machines and Systems","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124001721","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: 4
Conception of a piezoelectric linear motor for the generation of high linear forces 用于产生高线性力的压电直线电机的概念
2011 International Conference on Electrical Machines and Systems Pub Date : 2011-11-15 DOI: 10.1109/ICEMS.2011.6073846
N. Ferrier, M. Markovic, Y. Perriard
{"title":"Conception of a piezoelectric linear motor for the generation of high linear forces","authors":"N. Ferrier, M. Markovic, Y. Perriard","doi":"10.1109/ICEMS.2011.6073846","DOIUrl":"https://doi.org/10.1109/ICEMS.2011.6073846","url":null,"abstract":"A linear in form of a mechanical clutch system for the transmission of the force produced by a piezoelectric stack to a shaft is presented. Following an Inchworm motion principle, avoiding wear and giving an accurate positioning, this motor should generate high linear forces up to 1500 N on infinite strokes. The force and displacement values given by the FEM simulations of the piezoelectric stacks are in accordance with the mathematical model. The further development is the motor prototyping to confirm the simulation results.","PeriodicalId":101507,"journal":{"name":"2011 International Conference on Electrical Machines and Systems","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125807716","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: 3
Direct drive wave energy converters integrated with a composite energy storage system 集成复合储能系统的直接驱动波能转换器
2011 International Conference on Electrical Machines and Systems Pub Date : 2011-11-15 DOI: 10.1109/ICEMS.2011.6073513
Z. Nie, Xi Xiao, H. Yi, Qing Kang
{"title":"Direct drive wave energy converters integrated with a composite energy storage system","authors":"Z. Nie, Xi Xiao, H. Yi, Qing Kang","doi":"10.1109/ICEMS.2011.6073513","DOIUrl":"https://doi.org/10.1109/ICEMS.2011.6073513","url":null,"abstract":"A composite energy storage system is proposed to work in conjunction with the tubular direct drive linear wave energy converters (DDLWECs) which have high power factors. The energy storage system smoothes the output power fluctuations from the tubular DDLWECs and provides stable and dispatch-able electricity to the grid or local load. The system works as a micro-grid system integrating renewable generation and energy storages, and can be stand-alone functioned or grid connected.","PeriodicalId":101507,"journal":{"name":"2011 International Conference on Electrical Machines and Systems","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129724019","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: 8
Torque ripple reduction in direct torque controlled Brushless DC motor 直接转矩控制无刷直流电动机转矩脉动减小
2011 International Conference on Electrical Machines and Systems Pub Date : 2011-11-15 DOI: 10.1109/ICEMS.2011.6073659
Zhenguo Li, Lu Wang, Songfa Zhang, Chunjiang Zhang, Jin-Woo Ahn
{"title":"Torque ripple reduction in direct torque controlled Brushless DC motor","authors":"Zhenguo Li, Lu Wang, Songfa Zhang, Chunjiang Zhang, Jin-Woo Ahn","doi":"10.1109/ICEMS.2011.6073659","DOIUrl":"https://doi.org/10.1109/ICEMS.2011.6073659","url":null,"abstract":"This paper describes torque ripple reduction in direct torque controlled Brushless DC Motor. The zero voltage vector in present most direct torque control technique is defined as the state when all switches are turn-off. However, in studying the circuit of the switch state in each sector, recognized the voltage of motor windings are not zero. Thus, six switch states corresponding to zero voltage vector as well as the rule to select zero voltage vector are proposed based on analyzing voltage vector one by one in each sector. Besides, the method of estimating electromagnetic torque according to stator current and back-EMF constant which is difficulty to off-line detect since, to most motors, neutral line of stator winding is not lead-out. So this paper adopts line back-EMF constant which is easy to detect off-line to estimate electromagnetic torque and give the formula. Finally, results of Matlab simulation and DSP experiment are given to verify the validity and feasibility.","PeriodicalId":101507,"journal":{"name":"2011 International Conference on Electrical Machines and Systems","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129773488","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: 6
A nonlinear model of switched reluctance motor based on structural parameters in Matlab langue 用Matlab语言建立了基于结构参数的开关磁阻电机非线性模型
2011 International Conference on Electrical Machines and Systems Pub Date : 2011-11-15 DOI: 10.1109/ICEMS.2011.6073938
Dongwei Qiao, Xiuhe Wang, Yufang Wang, Bei Wei
{"title":"A nonlinear model of switched reluctance motor based on structural parameters in Matlab langue","authors":"Dongwei Qiao, Xiuhe Wang, Yufang Wang, Bei Wei","doi":"10.1109/ICEMS.2011.6073938","DOIUrl":"https://doi.org/10.1109/ICEMS.2011.6073938","url":null,"abstract":"The switched reluctance motor (SRM) has a very simple structure and a wide speed range. Its speed performance and the system stability are very excellent. But it involves complex electromagnetic interaction and parts of its magnetic path could be deeply saturated. As a result, the nonlinear magnetization characteristic of the switched reluctance motor is difficult to accurately simulate. This article proposed a nonlinear analytical model of SRMs based on the given structural parameters in Matlab environment, using the fast nonlinear method and the fast nonlinear simulation method. The simulation programming is compiled in Matlab-language. The simulation results show that the nonlinear model can produce satisfactory. The simulation speed is fast; especially it can realize real-time simulation of the new design.","PeriodicalId":101507,"journal":{"name":"2011 International Conference on Electrical Machines and Systems","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128745859","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
The construction and simulation of V2G system in micro-grid 微电网V2G系统的构建与仿真
2011 International Conference on Electrical Machines and Systems Pub Date : 2011-11-15 DOI: 10.1109/ICEMS.2011.6073378
Cui Shumei, L. Xiaofei, Tian Dewen, Zhang Qianfan, Song Liwei
{"title":"The construction and simulation of V2G system in micro-grid","authors":"Cui Shumei, L. Xiaofei, Tian Dewen, Zhang Qianfan, Song Liwei","doi":"10.1109/ICEMS.2011.6073378","DOIUrl":"https://doi.org/10.1109/ICEMS.2011.6073378","url":null,"abstract":"Vehicle-to-Grid (V2G) technology has caught people's attention. Applications of V2G in general Power Grid face some challenges. It is complicated to control, in need of large amounts of EVs and hard to realize in the short term. In this paper V2G is applied to micro-grid and V2G system is constructed based on a parking lot. The structure is proposed in which bidirectional AC/DC and bidirectional DC/DC converters share one common DC bus, and also the coordination control strategy is given. Meanwhile this paper presents a general micro-source model as well as a V2G model. Simulation of voltage regulation and renewable energy support is conducted and results prove the availability of proposed structure and control strategy. The work is meaningful to the control and operation for micro-grid and V2G.","PeriodicalId":101507,"journal":{"name":"2011 International Conference on Electrical Machines and Systems","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129809842","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: 29
Smart grid and renewable energy systems 智能电网和可再生能源系统
2011 International Conference on Electrical Machines and Systems Pub Date : 2011-11-15 DOI: 10.1109/ICEMS.2011.6073290
F. Blaabjerg, J. Guerrero
{"title":"Smart grid and renewable energy systems","authors":"F. Blaabjerg, J. Guerrero","doi":"10.1109/ICEMS.2011.6073290","DOIUrl":"https://doi.org/10.1109/ICEMS.2011.6073290","url":null,"abstract":"The electrical energy consumption continues growing and more applications relay on electricity. We can expect that more 60 % of all energy consumption will be converted and used as electricity. Therefore, it is a demand that production, distribution and use of electrical energy are done as efficient as possible. Further, the recent challenges with nuclear power plants are arguing to find more sustainable energy generation solutions. Of many options, two major technologies will play important roles to solve parts of those future challenges. One is to change the electrical power production from conventional, fossil based energy sources to renewable energy sources. Another is to use high efficient power electronics in power generation, power transmission/distribution and end-user application. This paper discus trends of the future grid infrastructure as well as the most emerging renewable energy sources, wind energy and photovoltaics. Then main focus is on the power electronics and control technology for wind turbines as they are the largest renewable power contributor, allowing their penetration into a SmartGrid to be even higher in the future.","PeriodicalId":101507,"journal":{"name":"2011 International Conference on Electrical Machines and Systems","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127150894","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: 59
Study on starting performance of a novel wound rotor line-start PMSM with WMW 新型WMW绕线转子起动特性研究
2011 International Conference on Electrical Machines and Systems Pub Date : 2011-11-15 DOI: 10.1109/ICEMS.2011.6073946
Guihong Feng, Qingxu Li, Bingyi Zhang
{"title":"Study on starting performance of a novel wound rotor line-start PMSM with WMW","authors":"Guihong Feng, Qingxu Li, Bingyi Zhang","doi":"10.1109/ICEMS.2011.6073946","DOIUrl":"https://doi.org/10.1109/ICEMS.2011.6073946","url":null,"abstract":"A novel WRLS-PMSM (wound rotor line-start permanent magnet synchronous motor) with WMW (weak magnetic winding) on rotor is proposed in this paper. The WMW installed under the starting winding is to restrain the braking torque of PMSM in the process of starting. Mathematical model of WMW and magnetic circuit is established. In order to do simulation analysis of this type of motor, a prototype of 22kw is designed. This paper analyzes the weak magnetic effect of WMW when its main dates change such as number of turns and wire gauge. The analysis results and mathematical model can provide the basis for design. This paper does research in the induced voltage and weak magnetic current change rule of WMW under the diode of single guide using the FEA method. This paper also studies the relationship between the specific dimensions of starting winding on rotor and performance parameters, for example, starting torque, generating and braking torque, pull-in torque, starting current, etc. Study the relationship between external series resistance and asynchronous torque. Study the difference of asynchronous torque when magnetic circuit structure is symmetrical or not.","PeriodicalId":101507,"journal":{"name":"2011 International Conference on Electrical Machines and Systems","volume":"60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127215855","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: 6
Design of line-start low speed and high torque PMSM for gearless drive system 无齿轮传动系统在线起动低速大转矩永磁同步电机设计
2011 International Conference on Electrical Machines and Systems Pub Date : 2011-11-15 DOI: 10.1109/ICEMS.2011.6073573
Lv Zhongshu, Zhang Aijun, Marianne Lie, L. Siyang
{"title":"Design of line-start low speed and high torque PMSM for gearless drive system","authors":"Lv Zhongshu, Zhang Aijun, Marianne Lie, L. Siyang","doi":"10.1109/ICEMS.2011.6073573","DOIUrl":"https://doi.org/10.1109/ICEMS.2011.6073573","url":null,"abstract":"In this paper, self-starting permanent magnet synchronous motor electromagnetic design of some generic formula, combined with multi-pole motor design features to complete the motor design, parameter calculation and work characteristics and starting characteristics of the analysis to finalize the program. Ansoft electromagnetic analysis software used by field-circuit coupled method to calculate the transient performance of the motor parameters, and design value by constantly adjusting to get the electromagnetic design. The results show that large multi-polar low self-starting permanent magnet synchronous motor torque and the experimental data was consistent application design, the correct procedure proved feasible, simple and convenient. This research work, further improve the design of permanent magnet synchronous motor has important theoretical significance and value of the works.","PeriodicalId":101507,"journal":{"name":"2011 International Conference on Electrical Machines and Systems","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128911792","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: 5
Multi-loop model and simulation research of hydrogenerators with rotor winding inter-turn short circuit fault 水轮发电机转子绕组匝间短路故障多回路模型及仿真研究
2011 International Conference on Electrical Machines and Systems Pub Date : 2011-11-15 DOI: 10.1109/ICEMS.2011.6073346
Li Yong-gang, Shi Wei
{"title":"Multi-loop model and simulation research of hydrogenerators with rotor winding inter-turn short circuit fault","authors":"Li Yong-gang, Shi Wei","doi":"10.1109/ICEMS.2011.6073346","DOIUrl":"https://doi.org/10.1109/ICEMS.2011.6073346","url":null,"abstract":"In the power system, 1/3 of the load is by hydro-generating power supply where its reliability is important requirement. Rotor internal turn-to-turn short circuit is a common fault in hydro-generators. It will cause serious damages if such faults are not handled properly in time. For this reason, according to the multi-loop method of AC machines this paper proposes multi-loop mathematical model of hydro-generators with inter-turn short circuits fault of field windings. The simulation for the inter-turn short circuit of rotor winding on a six poles hydro-generator is carried out by multi-loop methods and the currents in stator winding parallel branches of same phase are calculated quantitatively, based on the analysis, the paper gives the value of the fractional harmonic circulation, which will provide the protection basis for the hydro-generators with rotor winding inter-turn short circuit fault.","PeriodicalId":101507,"journal":{"name":"2011 International Conference on Electrical Machines and Systems","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129023515","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: 6
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