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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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Context application to improve LED lighting control systems 提高LED照明控制系统的背景应用
2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) Pub Date : 2015-10-01 DOI: 10.1109/RTUCON.2015.7343168
A. Avotiņš, J. Bicans
{"title":"Context application to improve LED lighting control systems","authors":"A. Avotiņš, J. Bicans","doi":"10.1109/RTUCON.2015.7343168","DOIUrl":"https://doi.org/10.1109/RTUCON.2015.7343168","url":null,"abstract":"Paper deals with existing and future LED lighting control system architectures for Smart Grids and introduces to context aware intelligent LED lighting control system. Scope of this paper is limited to context awareness integration into management components, using networked control systems to identify particular context awareness applications in order to improve utilization efficiency, and minimise energy consumption. To prove the concept an analysis with empirical case study for street lighting and public building context aware lighting scenarios is presented.","PeriodicalId":389419,"journal":{"name":"2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON)","volume":"82 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129347896","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
Power transformer mechanical condition assessment with a vibration-based diagnostic method 基于振动诊断方法的电力变压器机械状态评估
2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) Pub Date : 2015-10-01 DOI: 10.1109/RTUCON.2015.7343160
Sergejs Žižins-Mališevs, Gints Poišs
{"title":"Power transformer mechanical condition assessment with a vibration-based diagnostic method","authors":"Sergejs Žižins-Mališevs, Gints Poišs","doi":"10.1109/RTUCON.2015.7343160","DOIUrl":"https://doi.org/10.1109/RTUCON.2015.7343160","url":null,"abstract":"Vibrations are caused by electrodynamic forces and the effect of a fault can be detected by measuring the vibration level. Vibration-based diagnostic method which is used in Latvenergo and measured vibration results as case studies are presented in this paper.","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":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129557977","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
Analysis of parameters for optimal design of synchronous Reluctance Motor 同步磁阻电机优化设计参数分析
2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) Pub Date : 2015-10-01 DOI: 10.1109/RTUCON.2015.7343178
S. Orlova, A. Vezzini, V. Pugachov
{"title":"Analysis of parameters for optimal design of synchronous Reluctance Motor","authors":"S. Orlova, A. Vezzini, V. Pugachov","doi":"10.1109/RTUCON.2015.7343178","DOIUrl":"https://doi.org/10.1109/RTUCON.2015.7343178","url":null,"abstract":"This paper presents a synchronous reluctance machine as alternative to the permanent magnet machine. Possible designs are considered for the motor rotor, while the stator is of conventional design of the induction machine with 48 slots and distributed double-layer winding. In the work, analysis is given for the parameters of an optimal design of synchronous reluctance motor. The modelling of electromagnetic field is performed in the JMAG software based on the finite element method. The basic geometric dimensions are taken from the permanent magnet machine used in Toyota Prius.","PeriodicalId":389419,"journal":{"name":"2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON)","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115037447","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
Sensor networking for improving of reliability indicator by electric Power Utilities 提高电力公司可靠性指标的传感器联网
2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) Pub Date : 2015-10-01 DOI: 10.1109/RTUCON.2015.7343143
N. Kunicina, A. Zabasta, K. Kondratjevs, A. Patlins, A. Galkina, Vilnis Butans
{"title":"Sensor networking for improving of reliability indicator by electric Power Utilities","authors":"N. Kunicina, A. Zabasta, K. Kondratjevs, A. Patlins, A. Galkina, Vilnis Butans","doi":"10.1109/RTUCON.2015.7343143","DOIUrl":"https://doi.org/10.1109/RTUCON.2015.7343143","url":null,"abstract":"The modern emergency situation remote localization solution was discussed. In this paper remote emergency situation localization technical solutions and showcases was described. In the theoretical background description there is description of fault localization techniques-distribution characteristics. The remote monitoring system interface program is described and detailed. There is a monitoring system interface, which is actively used by emergency localisation and positioning by system engineers and administrators. The technical solution description and analyses of functional and operation conditions are offered. The experimental part consists of the electric principal scheme of the low and medium voltage network, which is used for decision making in indicators and modems location and calculations. Moreover, there is described the equipment used for proposed solution. The next generation wireless sensor network solution was developed.","PeriodicalId":389419,"journal":{"name":"2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133821302","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
Design of a motor drive system for bidirectional DC power flow control 双向直流潮流控制电机驱动系统的设计
2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) Pub Date : 2015-10-01 DOI: 10.1109/RTUCON.2015.7343145
Arturs Paugurs, Armands Senfelds
{"title":"Design of a motor drive system for bidirectional DC power flow control","authors":"Arturs Paugurs, Armands Senfelds","doi":"10.1109/RTUCON.2015.7343145","DOIUrl":"https://doi.org/10.1109/RTUCON.2015.7343145","url":null,"abstract":"A motor drive system for the purpose of bidirectional DC power flow control has been developed. A laboratory test bench has been setup to determine the dynamic properties of the system and to verify the proposed power flow control principle. Control board prototype has been developed and briefly described. Results of full reference power cycle tests have been summarized.","PeriodicalId":389419,"journal":{"name":"2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132491502","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
NTV-SV-PWM controlled three-level converter for ocean wave energy conversion 用于海浪能量转换的NTV-SV-PWM控制三电平变换器
2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) Pub Date : 2015-10-01 DOI: 10.1109/RTUCON.2015.7343176
I. Colak, Ahmet Derya Kocabas
{"title":"NTV-SV-PWM controlled three-level converter for ocean wave energy conversion","authors":"I. Colak, Ahmet Derya Kocabas","doi":"10.1109/RTUCON.2015.7343176","DOIUrl":"https://doi.org/10.1109/RTUCON.2015.7343176","url":null,"abstract":"Ocean wave energy is one of the high potential renewable energy sources. Due to the recent progresses in the OWEC devices higher power extraction is possible which also brings the need of using multilevel converters to increase the voltage together with power. In this study, adaption of a sophisticated NTV-SV-PWM method to the multilevel converter is proposed, aiming to improve the energy extraction efficiency and the quality of the power transferred to the grid.","PeriodicalId":389419,"journal":{"name":"2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON)","volume":"334 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133759049","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
A MPPT control method for full soft-switching high step-up current-fed DC-DC converter 一种全软开关高升压电流DC-DC变换器的MPPT控制方法
2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) Pub Date : 2015-10-01 DOI: 10.1109/RTUCON.2015.7343153
R. Kosenko, I. Roasto
{"title":"A MPPT control method for full soft-switching high step-up current-fed DC-DC converter","authors":"R. Kosenko, I. Roasto","doi":"10.1109/RTUCON.2015.7343153","DOIUrl":"https://doi.org/10.1109/RTUCON.2015.7343153","url":null,"abstract":"This paper is focused on analysis of maximum power point tracking control system for soft-switching high step-up current-fed DC-DC converter. Short review of common tracking methods is given. Closed loop control system is developed. The system behavior in normal and transient modes is analyzed based on the simulation data. A simulation result proves high tracking performance and ability to work in case of step and slope changes of solar panel irradiation. Possible modifications of the algorithm and future work are described.","PeriodicalId":389419,"journal":{"name":"2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133456102","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
Criteria for inter-winding fault detection within power transformers 电力变压器绕组间故障检测准则
2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) Pub Date : 2015-10-01 DOI: 10.1109/RTUCON.2015.7343151
A. Dolgicers, J. Kozadajevs
{"title":"Criteria for inter-winding fault detection within power transformers","authors":"A. Dolgicers, J. Kozadajevs","doi":"10.1109/RTUCON.2015.7343151","DOIUrl":"https://doi.org/10.1109/RTUCON.2015.7343151","url":null,"abstract":"Power transformers are highly valued power system's elements, transformers failure may lead to high scale system's operations disruption and heavy economic losses. This is the main reason for power transformer protection requirements to be so high. Sensitivity level is a key element in inter-winding faults detection. Incomplete winding faults that occur in the multi-wire transformer windings, when multiple parallel wires form a coil, are very hard to detect, this is why it is the most challenging issue for the differential protection. This paper presents the development of a criteria for inter-winding fault detection.","PeriodicalId":389419,"journal":{"name":"2015 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON)","volume":"78 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131092853","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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