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2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON)最新文献

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Voltage balancing circuit for modular step-down DC/DC converter 模块化降压DC/DC变换器的电压平衡电路
2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) Pub Date : 2015-12-03 DOI: 10.1109/RTUCON.2015.7343146
Austris Uljāns, J. Zakis
{"title":"Voltage balancing circuit for modular step-down DC/DC converter","authors":"Austris Uljāns, J. Zakis","doi":"10.1109/RTUCON.2015.7343146","DOIUrl":"https://doi.org/10.1109/RTUCON.2015.7343146","url":null,"abstract":"In this paper, a modular auxiliary DC/DC converter, based on super-capacitor voltage balancing topology is presented. The converter is able to supply from voltage gate drive units of high voltage converter switching units. Further, the theoretical basics of this converter are analyzed as well as simulation of topology is observed. Finally, an experimental evaluation of 300V, 50W converter prototype is presented.","PeriodicalId":389419,"journal":{"name":"2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON)","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126541613","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
Differential mode Π-type EMI filter modeling using CST MWS 差分模式Π-type EMI滤波器建模使用CST MWS
2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) Pub Date : 2015-12-03 DOI: 10.1109/RTUCON.2015.7343124
G. Asmanis, L. Ribickis, D. Stepins, A. Ašmanis
{"title":"Differential mode Π-type EMI filter modeling using CST MWS","authors":"G. Asmanis, L. Ribickis, D. Stepins, A. Ašmanis","doi":"10.1109/RTUCON.2015.7343124","DOIUrl":"https://doi.org/10.1109/RTUCON.2015.7343124","url":null,"abstract":"This paper deals with modeling of differential mode Il-type EMI power filter using 3D electromagnetic field modeling software CST MWS. Two scenarios are considered: inductor is positioned in parallel or perpendicular to capacitors. Capacitor distance and PCB track layout is changed to verify software modeling precision and capabilities. Measurement and modeling results are in good agreement.","PeriodicalId":389419,"journal":{"name":"2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125292653","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
Antiwindup design for sensorless control of PMSM using multilevel saturation feedback 基于多电平饱和反馈的永磁同步电机无传感器控制的防绕组设计
2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) Pub Date : 2015-12-03 DOI: 10.1109/RTUCON.2015.7343177
V. C. Ilioudis
{"title":"Antiwindup design for sensorless control of PMSM using multilevel saturation feedback","authors":"V. C. Ilioudis","doi":"10.1109/RTUCON.2015.7343177","DOIUrl":"https://doi.org/10.1109/RTUCON.2015.7343177","url":null,"abstract":"This paper presents a new antiwindup (AW) speed controller for sensorless control of salient-pole Synchronous Machine (SM) by means of serially connected AW loops. The control method is based on saturation feedback using multiple loops for controller output adaptation. Unwanted windup phenomena due to the physical limitations are restricted passing the initial controller output through multiple AW loops and choosing suitably the controller transfer functions. This AW approach leads the operation of actuator towards to the linear area using a relatively simple adaptation technique of saturation limits in each AW level. Simulation results demonstrate that the application of multiple AW loops is an effective control scheme capable to achieve improved performance.","PeriodicalId":389419,"journal":{"name":"2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON)","volume":"88 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126803757","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
Direct connection of SC battery to traction substation SC蓄电池直接连接到牵引变电站
2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) Pub Date : 2015-12-03 DOI: 10.1109/RTUCON.2015.7343126
U. Sirmelis
{"title":"Direct connection of SC battery to traction substation","authors":"U. Sirmelis","doi":"10.1109/RTUCON.2015.7343126","DOIUrl":"https://doi.org/10.1109/RTUCON.2015.7343126","url":null,"abstract":"In this paper a simple technical solution for saving regenerative braking energy in tram systems is analyzed. This technical solution is energy storage system which contains only supercapacitor battery that is connected in parallel with traction substation. For the evaluation of this energy storage system a detailed simulation model in Simulink is developed and experimentally measured tram power diagrams are used as input data. Simulations for 19 hours long tram system operation are performed to assess the energy consumption with and without supercapacitors. Profitability of such energy storage system is also considered.","PeriodicalId":389419,"journal":{"name":"2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128754114","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 and simulation of overhead power line uprating using advanced conductors 采用先进导线的架空电力线路升级研究与仿真
2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) Pub Date : 2015-12-03 DOI: 10.1109/RTUCON.2015.7343161
S. Beryozkina, A. Sauhats
{"title":"Research and simulation of overhead power line uprating using advanced conductors","authors":"S. Beryozkina, A. Sauhats","doi":"10.1109/RTUCON.2015.7343161","DOIUrl":"https://doi.org/10.1109/RTUCON.2015.7343161","url":null,"abstract":"Due to the deregulation of the electricity market around the world as well as the great impact of renewable energy sources and climate change patterns, uprating of existing overhead power lines (OHPL) has become more popular. There are several methods that are widely used to uprate power lines (PL), but most of them are expensive. However, the use of the advanced conductors such as High Temperature Low Sag conductors (HTLSCs) could provide various technical and economical advantages for an effective operation of the PL. This paper presents the comparison results of both the traditional type conductors and HTLS conductors based on the evaluation of the line thermal rating (LTR) under several sets of local ambient conditions. These computations have been conducted on the basis of IEEE and CIGRE ampacity standards by using PLS-CADD software.","PeriodicalId":389419,"journal":{"name":"2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127363092","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: 12
Demand side management platform for HAN flexibility estimation 需求侧柔性评估管理平台
2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) Pub Date : 2015-12-03 DOI: 10.1109/RTUCON.2015.7343175
A. Obushevs, A. Potapovs, I. Oleinikova, A. Mutule
{"title":"Demand side management platform for HAN flexibility estimation","authors":"A. Obushevs, A. Potapovs, I. Oleinikova, A. Mutule","doi":"10.1109/RTUCON.2015.7343175","DOIUrl":"https://doi.org/10.1109/RTUCON.2015.7343175","url":null,"abstract":"The content of the paper is focusing to demand side management platform elaboration for optimal energy management strategies, topicality of smart metering & control including deployment of the price responsive demand. Presented tests are performed in Smart Grid Research Centre research facility Demand Side Management-Smart Home Lab with the aim to achieve the rational use of energy, demonstrate first steps of implementation home automation system with automated energy consumption scheduling units for load flexibility and controllable portion estimation.","PeriodicalId":389419,"journal":{"name":"2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130428261","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
An optimization algorithm selection to regulate the power plant work 一种调节电厂运行的优化算法选择
2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) Pub Date : 2015-12-03 DOI: 10.1109/RTUCON.2015.7343156
R. Varfolomejeva, R. Petrichenko, A. Sauhats, Jevgeņijs Kucajevs
{"title":"An optimization algorithm selection to regulate the power plant work","authors":"R. Varfolomejeva, R. Petrichenko, A. Sauhats, Jevgeņijs Kucajevs","doi":"10.1109/RTUCON.2015.7343156","DOIUrl":"https://doi.org/10.1109/RTUCON.2015.7343156","url":null,"abstract":"This paper introduces the optimization algorithm selection for the bids formation in deregulated market. The solution of the task is made on stochastic optimization procedure. The time average revenue maximization approach is taken to analyze and find optimum in uncertainty. The random nature of the future energy prices and river water inflows is considered. A case study is conducted on a realistic hydroelectric power work in cascade and demonstrates the advantages of the stochastic approach. It is concluded that the proposed approach, developed algorithms, the data capture from Internet, enhanced user friendly interface shall support and enable improved decision making for the power station operator.","PeriodicalId":389419,"journal":{"name":"2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON)","volume":"106 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132368649","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
Algorithm for optimal energy consumption of UAV in maritime anti-collision tasks 海上防碰撞任务中无人机最优能耗算法
2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) Pub Date : 2015-12-03 DOI: 10.1109/RTUCON.2015.7343154
M. Gorobetz, Gunta Strupka, A. Levchenkov
{"title":"Algorithm for optimal energy consumption of UAV in maritime anti-collision tasks","authors":"M. Gorobetz, Gunta Strupka, A. Levchenkov","doi":"10.1109/RTUCON.2015.7343154","DOIUrl":"https://doi.org/10.1109/RTUCON.2015.7343154","url":null,"abstract":"This paper specifies the problem formulation of research on energy consumption optimization for using of robotized unmanned aerial vehicles (UAV) in transport safety tasks. UAV are proposed as an auxiliary maritime safety component, allowing visually detect maritime units, which are not connected to global Automatic Identification System (AIS). To ensure this task solution it is necessary to maximize the time in the air for UAV, therefore the minimization of energy consumption is topical. The paper provides the general formulation of maritime safety task, definition of a multi-objective target function, including energy minimization and safety criteria. A control object for energy consumption minimization is defined, an algorithm for task solution is developed and a numerical example is described.","PeriodicalId":389419,"journal":{"name":"2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON)","volume":"60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128287953","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
Application of hysteresis voltage control for three-level neutral point clamped voltage source inverter 迟滞电压控制在三电平中性点箝位电压源逆变器中的应用
2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) Pub Date : 2015-12-03 DOI: 10.1109/RTUCON.2015.7343150
N. M. Kolmakov, I. A. Bakhovtsev, T. Jalakas
{"title":"Application of hysteresis voltage control for three-level neutral point clamped voltage source inverter","authors":"N. M. Kolmakov, I. A. Bakhovtsev, T. Jalakas","doi":"10.1109/RTUCON.2015.7343150","DOIUrl":"https://doi.org/10.1109/RTUCON.2015.7343150","url":null,"abstract":"This paper presents a three-level neutral point clamped voltage source inverter with hysteresis voltage control. Output characteristics of the converter and voltage control for a voltage source inverter are described. A simulation model of a three-level neutral point clamped inverter with a control system based on the hysteresis voltage control was developed. Basic diagrams that demonstrate performance of the designed control system are shown. Analysis of simulations results is presented. The output characteristics of the voltage source inverter with hysteresis voltage control and those of the voltage source inverter with sinusoidal PWM control are compared.","PeriodicalId":389419,"journal":{"name":"2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127962395","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
PLC-based flow rate control system for centrifugal pumps 基于plc的离心泵流量控制系统
2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) Pub Date : 2015-12-03 DOI: 10.1109/RTUCON.2015.7343115
L. Gevorkov, V. Vodovozov, T. Lehtla, I. Bakman
{"title":"PLC-based flow rate control system for centrifugal pumps","authors":"L. Gevorkov, V. Vodovozov, T. Lehtla, I. Bakman","doi":"10.1109/RTUCON.2015.7343115","DOIUrl":"https://doi.org/10.1109/RTUCON.2015.7343115","url":null,"abstract":"A method of flow rate control and maintenance for a centrifugal pumping system is proposed. The flow rate control system based on PLC and additional peripheral components including Profibus adapter FPBA-01 and Profibus communication module CM572 DP has been developed and tested. To analyze the system, a series' of experiments was conducted. Experiments show that the designed system is quite flexible, easy to tune, and reliable. Advantages of the system lie in its high reliability of flow regulation and maintenance at both the static and the dynamic modes. The proposed flow rate regulation system can be used either in industry or in household.","PeriodicalId":389419,"journal":{"name":"2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON)","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129299071","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
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