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2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA)最新文献

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Servo System Parameter Estimation by Wavelet Method 基于小波变换的伺服系统参数估计
2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA) Pub Date : 2019-06-01 DOI: 10.1109/ELMA.2019.8771470
M. Todorova, R. Parvanova
{"title":"Servo System Parameter Estimation by Wavelet Method","authors":"M. Todorova, R. Parvanova","doi":"10.1109/ELMA.2019.8771470","DOIUrl":"https://doi.org/10.1109/ELMA.2019.8771470","url":null,"abstract":"Wavelet functions are widely applied in engineering practice. In the present paper they are used for evaluation of the servo electrical drive parameters. The estimation accuracy is assessed. The results obtained are analysed, and conclusions are drawn.","PeriodicalId":304248,"journal":{"name":"2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133128139","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
Impact of capacitor on operating characteristics of single-phase motor 电容器对单相电动机工作特性的影响
2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA) Pub Date : 2019-06-01 DOI: 10.1109/ELMA.2019.8771599
V. Šarac, N. Trajchevski
{"title":"Impact of capacitor on operating characteristics of single-phase motor","authors":"V. Šarac, N. Trajchevski","doi":"10.1109/ELMA.2019.8771599","DOIUrl":"https://doi.org/10.1109/ELMA.2019.8771599","url":null,"abstract":"The permanent-split capacitor motor is well known for its good power factor, due to the permanently connected capacitor, and low starting torque. Therefore, this paper sets an extensive analysis of the impact of the capacitor size on motor starting and running characteristics. A model of the motor suitable for computer design is set, based on producer’s data. For various capacitors, all motor parameters and characteristics are calculated. The capacitor size affects the starting torque i.e. the bigger capacitor, the higher the motor starting torque. FEM is applied for computing flux density distribution and motor torque for all motor models. Adequate conclusions from obtained results of all models have been derived.","PeriodicalId":304248,"journal":{"name":"2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125614985","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
Research of The Process Heating Of Dispersed Steel Load 分散钢载荷的工艺加热研究
2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA) Pub Date : 2019-06-01 DOI: 10.1109/ELMA.2019.8771694
A. Antipin, V. Frizen, O. Sidorov
{"title":"Research of The Process Heating Of Dispersed Steel Load","authors":"A. Antipin, V. Frizen, O. Sidorov","doi":"10.1109/ELMA.2019.8771694","DOIUrl":"https://doi.org/10.1109/ELMA.2019.8771694","url":null,"abstract":"The article describes a number of tasks related to the processing of powders and dispersed substances in induction crucible furnaces. The energy parameters of the induction installation have a significant dependence on the parameters of the heated medium: the size of the heated particles, their electrophysical and magnetic properties. A set of experiments was carried out to determine the mathematical model of the effect of the physical parameters of the loaded material on the parameters of the induction complex.","PeriodicalId":304248,"journal":{"name":"2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123923798","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
Microprocessor Based Electronic System for Control of Induction Heating in Machine Industry 基于微处理器的机械工业感应加热控制电子系统
2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA) Pub Date : 2019-06-01 DOI: 10.1109/ELMA.2019.8771487
S. Kadirova, I. Evstatiev, Daniel Kajtsanov, T. Nenov
{"title":"Microprocessor Based Electronic System for Control of Induction Heating in Machine Industry","authors":"S. Kadirova, I. Evstatiev, Daniel Kajtsanov, T. Nenov","doi":"10.1109/ELMA.2019.8771487","DOIUrl":"https://doi.org/10.1109/ELMA.2019.8771487","url":null,"abstract":"The paper discusses the electronic control of induction heater power converter for ferromagnetic materials melting. The system is built on the base of a bridge schematic of power amplifiers, which includes three separate power amplifiers, as each of them is power supplied by three-phase supply line. The operating frequency of the equipment ranges from 25 kHz to 400 kHz, depending on the resonant frequency of the output resonant circuit. The maximum power of the equipment is 10kW.","PeriodicalId":304248,"journal":{"name":"2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124038704","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
Thermographic study of the heating of a pulse-controlled magnetic-technological device 脉冲控制磁技术装置加热的热成像研究
2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA) Pub Date : 2019-06-01 DOI: 10.1109/ELMA.2019.8771587
Angel Petleshkov, S. Tzvetkova, Yavor Lozanov
{"title":"Thermographic study of the heating of a pulse-controlled magnetic-technological device","authors":"Angel Petleshkov, S. Tzvetkova, Yavor Lozanov","doi":"10.1109/ELMA.2019.8771587","DOIUrl":"https://doi.org/10.1109/ELMA.2019.8771587","url":null,"abstract":"The results from a thermographic study of the heating of a permanent magnet technological device with pulse control are presented in the paper. An analysis, of the obtained thermographic images, has been made, and the values, of the temperature rise in the magnetic-technological device, have been determined. Also, the change of temperature along the length and width of the magnetic-technological device have been considered.","PeriodicalId":304248,"journal":{"name":"2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA)","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127715259","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
Modeling of Fluid Flow Cooling of High-Speed Rotational Electrical Devices 高速旋转电气装置的流体流动冷却建模
2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA) Pub Date : 2019-06-01 DOI: 10.1109/ELMA.2019.8771637
V. Mateev, Georgi Ivanov, I. Marinova
{"title":"Modeling of Fluid Flow Cooling of High-Speed Rotational Electrical Devices","authors":"V. Mateev, Georgi Ivanov, I. Marinova","doi":"10.1109/ELMA.2019.8771637","DOIUrl":"https://doi.org/10.1109/ELMA.2019.8771637","url":null,"abstract":"Internal cooling conditions in rotational electrical machines differs strongly from fluid contact with rotor surfaces, angular velocities, fluid flow thermal and mass characteristics, etc. Fast transients, decreasing internal gaps, different surface properties make cooling conditions difficult for accurate estimation. Here is presented a computational fluid dynamics model of fluid cooling over a rotating surface. Model estimates partial fluid flow velocities, and temperature distributions inside a simplified rotating device. Special attention is focused on the contacting fluid layer, directly interacting with rotational surface. Transient results about heat exchange ability according to rotational speed are acquired and discussed.","PeriodicalId":304248,"journal":{"name":"2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA)","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121866943","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: 7
Optimized power flow control of smart grids with electric vehicles and DER 基于电动汽车和DER的智能电网潮流优化控制
2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA) Pub Date : 2019-06-01 DOI: 10.1109/ELMA.2019.8771575
M. Georgiev, R. Stanev, A. Krusteva
{"title":"Optimized power flow control of smart grids with electric vehicles and DER","authors":"M. Georgiev, R. Stanev, A. Krusteva","doi":"10.1109/ELMA.2019.8771575","DOIUrl":"https://doi.org/10.1109/ELMA.2019.8771575","url":null,"abstract":"In this article an application for optimization of the energy flows in smart power systems consisting of electric vehicles (EV), distributed energy sources (DER), flexible loads and bidirectional storage is proposed. An optimization model for energy distribution between electric vehicles, electric storage devices and photovoltaic generators is presented. A nonlinear optimization problem with linear constrains for optimizing the power flows in the system is defined and solved. A multi-objective problem is defined in respect to satisfy PV production criteria and to maximize the power flow to the EVs. An algorithm for finding the optimal solution of the multi-objective optimization problem is proposed. The approach is very useful for energy flow control and analyzis of DER behavior. The algorithm proposed for solving multi-objective problem is applicable when a storage and PV generation units are used in the DER system. The advantages of external storage utilization in the distributed systems are shown.","PeriodicalId":304248,"journal":{"name":"2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132660403","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: 7
Electrical Equipment Technical State Integral Estimate Based On Additional Non-Destructive Methods 基于附加无损方法的电气设备技术状态积分评估
2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA) Pub Date : 2019-06-01 DOI: 10.1109/ELMA.2019.8771572
A. Khalyasmaa, Iana Nikitina, Lina Wang
{"title":"Electrical Equipment Technical State Integral Estimate Based On Additional Non-Destructive Methods","authors":"A. Khalyasmaa, Iana Nikitina, Lina Wang","doi":"10.1109/ELMA.2019.8771572","DOIUrl":"https://doi.org/10.1109/ELMA.2019.8771572","url":null,"abstract":"This paper is devoted to the development of the methods for the integral estimate of the technical state of high-voltage electrical equipment based on additional methods of non-destructive testing such as thermal imaging and ultraviolet monitoring, the method of measuring partial discharges in insulation. The paper presents the methodology, hardware and technical solution and their testing on the 110 kV outdoor switchgear of an actual power station.","PeriodicalId":304248,"journal":{"name":"2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131005052","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
Robust Control Application Possibilities For Machining Robots 加工机器人鲁棒控制应用的可能性
2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA) Pub Date : 2019-06-01 DOI: 10.1109/ELMA.2019.8771502
S. Guergov, N. Nikolova, G. Stambolov
{"title":"Robust Control Application Possibilities For Machining Robots","authors":"S. Guergov, N. Nikolova, G. Stambolov","doi":"10.1109/ELMA.2019.8771502","DOIUrl":"https://doi.org/10.1109/ELMA.2019.8771502","url":null,"abstract":"Working in a multi-operational and versatile environment, machining robots practically fall under the conditions of a priori uncertainty and multi-modality. This requires the control system to support certain requirements for stability, quick response and accuracy. This article presents one specific robust control application possibility for machining robots. The robust control system is based on a different strategy to counteract interference in conditions of uncertainty.","PeriodicalId":304248,"journal":{"name":"2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133081472","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
Determination of Parameters of High-Frequency Matching Transformer of Installation of Induction Heating 感应加热装置高频匹配变压器参数的确定
2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA) Pub Date : 2019-06-01 DOI: 10.1109/ELMA.2019.8771648
A. Antipin, V. Frizen, S. Bychkov
{"title":"Determination of Parameters of High-Frequency Matching Transformer of Installation of Induction Heating","authors":"A. Antipin, V. Frizen, S. Bychkov","doi":"10.1109/ELMA.2019.8771648","DOIUrl":"https://doi.org/10.1109/ELMA.2019.8771648","url":null,"abstract":"To create a mathematical model of an induction heating complex, it is necessary to know the parameters of all the elements of the equivalent circuit, the most important are the parameters of the high-frequency matching transformer. The article describes a series of experiments to determine these parameters. The connection diagrams of measuring equipment and the results of research are given.","PeriodicalId":304248,"journal":{"name":"2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA)","volume":"18 5","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114112403","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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