Pub Date : 2015-11-12DOI: 10.1109/EDPE.2015.7325288
K. Mihaylov, S. Valtchev, R. Arnaudov
The possibility to measure the instant current consumption of electrical devices or in branches of the electrical network, without specialized sensors, was evaluated. As it will be shown below, in some types of electrical networks the neutral conductor could be used as a current sensing device. Reading of the voltage difference between the neutral conductor and the protective conductor can supply helpful information about the load.
{"title":"Smart microgrid sensorless load monitoring and management in TN-S and TN-C-S electrical networks","authors":"K. Mihaylov, S. Valtchev, R. Arnaudov","doi":"10.1109/EDPE.2015.7325288","DOIUrl":"https://doi.org/10.1109/EDPE.2015.7325288","url":null,"abstract":"The possibility to measure the instant current consumption of electrical devices or in branches of the electrical network, without specialized sensors, was evaluated. As it will be shown below, in some types of electrical networks the neutral conductor could be used as a current sensing device. Reading of the voltage difference between the neutral conductor and the protective conductor can supply helpful information about the load.","PeriodicalId":246203,"journal":{"name":"2015 International Conference on Electrical Drives and Power Electronics (EDPE)","volume":"80 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124702269","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}
Pub Date : 2015-11-12DOI: 10.1109/EDPE.2015.7325324
P. Houška, K. Šubrt
Contribution deal with the measurement of the operating characteristics of the piezoelectric linear motor Linear Piezo LEGS Twin 20N type LT20 and control unit PDM101 both from PiezoMotor. The data processing and evaluation was performed. The motor was tested in a vacuum environment and has been studied primarily precision of positioning (micro-positioning) under different operating conditions.
贡献涉及压电直线电机linear Piezo LEGS Twin 20N型LT20和控制单元PDM101的工作特性测量，均来自PiezoMotor。进行数据处理和评价。在真空环境下对电机进行了测试，并对不同工况下的定位精度(微定位)进行了初步研究。
{"title":"The measurement of the operating characteristics of the piezoelectric linear motor","authors":"P. Houška, K. Šubrt","doi":"10.1109/EDPE.2015.7325324","DOIUrl":"https://doi.org/10.1109/EDPE.2015.7325324","url":null,"abstract":"Contribution deal with the measurement of the operating characteristics of the piezoelectric linear motor Linear Piezo LEGS Twin 20N type LT20 and control unit PDM101 both from PiezoMotor. The data processing and evaluation was performed. The motor was tested in a vacuum environment and has been studied primarily precision of positioning (micro-positioning) under different operating conditions.","PeriodicalId":246203,"journal":{"name":"2015 International Conference on Electrical Drives and Power Electronics (EDPE)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123570980","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}
Pub Date : 2015-11-12DOI: 10.1109/EDPE.2015.7325262
J. Vittek, P. Butko, T. Fedor, E. Struharnansky, B. Ftorek
Design and verification of two cost functions for energy optimal position control of the PMSM drives loaded with combined constant and linear friction and load torques is the main contribution of this paper. The first cost function respects copper losses minimization only while the second one minimizes copper and friction losses together. Both algorithms expressed analytically respect prescribed maneuver time and prescribed acceleration while drive's speed is derived to achieve the demanded position in given time. Overall control system complains with principles of vector control and forced dynamics control. For precise tracking of the prescribed state variables a zero dynamic lag pre-compensator is included. Energy demands of both control algorithms are calculated and compared by simulation. Results gained confirmed higher energy savings of the cost function minimizing copper and friction losses together.
{"title":"Two cost functions evaluation for energy optimal position control with constant and linear torques","authors":"J. Vittek, P. Butko, T. Fedor, E. Struharnansky, B. Ftorek","doi":"10.1109/EDPE.2015.7325262","DOIUrl":"https://doi.org/10.1109/EDPE.2015.7325262","url":null,"abstract":"Design and verification of two cost functions for energy optimal position control of the PMSM drives loaded with combined constant and linear friction and load torques is the main contribution of this paper. The first cost function respects copper losses minimization only while the second one minimizes copper and friction losses together. Both algorithms expressed analytically respect prescribed maneuver time and prescribed acceleration while drive's speed is derived to achieve the demanded position in given time. Overall control system complains with principles of vector control and forced dynamics control. For precise tracking of the prescribed state variables a zero dynamic lag pre-compensator is included. Energy demands of both control algorithms are calculated and compared by simulation. Results gained confirmed higher energy savings of the cost function minimizing copper and friction losses together.","PeriodicalId":246203,"journal":{"name":"2015 International Conference on Electrical Drives and Power Electronics (EDPE)","volume":"104 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115924503","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}
Pub Date : 2015-11-12DOI: 10.1109/EDPE.2015.7325277
Vojtech Kulda
This conference paper focuses on the technical difficulties of implementing the bypass of a large drive with frequency converter, practical experience and knowledge of implemented applications.
本次会议论文重点介绍了用变频器实现大型驱动器旁路的技术难点、实践经验和实现应用的知识。
{"title":"Large variable speed drives with bypass powered by frequency converters","authors":"Vojtech Kulda","doi":"10.1109/EDPE.2015.7325277","DOIUrl":"https://doi.org/10.1109/EDPE.2015.7325277","url":null,"abstract":"This conference paper focuses on the technical difficulties of implementing the bypass of a large drive with frequency converter, practical experience and knowledge of implemented applications.","PeriodicalId":246203,"journal":{"name":"2015 International Conference on Electrical Drives and Power Electronics (EDPE)","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133768702","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}
Pub Date : 2015-11-12DOI: 10.1109/EDPE.2015.7325313
M. Mach, V. Hajek
This article deals with modeling of a small induction machine (output power is 600 W) by the finite elements method. The aims are to create model that take into account effects of manufacturing processes and to analyze their impact on efficiency. The considered manufacturing processes are punching and core building (riveting). Impact of real (non-circular) outer shape of stator sheets is considered too. Several different models were used for this research and results of simulations were compared with results of laboratory measurement.
{"title":"Model of a small induction machine with effects of manufacturing","authors":"M. Mach, V. Hajek","doi":"10.1109/EDPE.2015.7325313","DOIUrl":"https://doi.org/10.1109/EDPE.2015.7325313","url":null,"abstract":"This article deals with modeling of a small induction machine (output power is 600 W) by the finite elements method. The aims are to create model that take into account effects of manufacturing processes and to analyze their impact on efficiency. The considered manufacturing processes are punching and core building (riveting). Impact of real (non-circular) outer shape of stator sheets is considered too. Several different models were used for this research and results of simulations were compared with results of laboratory measurement.","PeriodicalId":246203,"journal":{"name":"2015 International Conference on Electrical Drives and Power Electronics (EDPE)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124363035","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}
Pub Date : 2015-11-12DOI: 10.1109/EDPE.2015.7325331
J. Kubín, Ž. Ferková
A typical feature of city tram transportation is increasing its effectivity. The main effort of public transportation companies is seeking savings for decreasing the energy intensity of mass transit. During operative measurement of power consumption in the tram cars it was found that on the whole the tram energy consumption have well-known influences such as tram occupancy, use of heating etc., and less known factors such as e.g. driving style of driver. We would like to estimate how much more energy is consumed by aggressive driving style of driver. Because it is impossible to ensure the same conditions at passing the same track, we concentrated on devising a tram car model that quantifies the difference of consumed energy in case normal driving style of the driver and in case of dynamic driving style of the driver. Because we use mathematical model, we can set the other conditions such as vehicle occupancy, the number of accelerations, stoppings etc. on the same values.
{"title":"Influnce of driving style of a tram driver on the tram's energy consumption","authors":"J. Kubín, Ž. Ferková","doi":"10.1109/EDPE.2015.7325331","DOIUrl":"https://doi.org/10.1109/EDPE.2015.7325331","url":null,"abstract":"A typical feature of city tram transportation is increasing its effectivity. The main effort of public transportation companies is seeking savings for decreasing the energy intensity of mass transit. During operative measurement of power consumption in the tram cars it was found that on the whole the tram energy consumption have well-known influences such as tram occupancy, use of heating etc., and less known factors such as e.g. driving style of driver. We would like to estimate how much more energy is consumed by aggressive driving style of driver. Because it is impossible to ensure the same conditions at passing the same track, we concentrated on devising a tram car model that quantifies the difference of consumed energy in case normal driving style of the driver and in case of dynamic driving style of the driver. Because we use mathematical model, we can set the other conditions such as vehicle occupancy, the number of accelerations, stoppings etc. on the same values.","PeriodicalId":246203,"journal":{"name":"2015 International Conference on Electrical Drives and Power Electronics (EDPE)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114408656","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}
Pub Date : 2015-11-12DOI: 10.1109/EDPE.2015.7325268
B. Axelrod, Y. Berkovich
This paper presents the method and results of calculating the output voltage of the boost-converter with Cockroft-Walton voltage multiplier according to the values of the capacitors and the load. The combination of boost-converter with voltage multiplier provides a very high voltage gain, which can be adjusted by changing the duty cycle of the boost converter. It is shown that the output voltage of the converter is a complex function of the switching frequency, duty cycle, number and value of the capacitors and load resistance. The proposed method for calculating the external characteristic is based on the analysis of the energy losses in the capacitors of the multiplier. The formulas and graphs for estimating the output voltage as a function of the converter and load parameters are obtained. Experimental results confirmed the theoretical expectations.
{"title":"External characteristics of the boost-converter with Cockroft-Walton voltage multiplier","authors":"B. Axelrod, Y. Berkovich","doi":"10.1109/EDPE.2015.7325268","DOIUrl":"https://doi.org/10.1109/EDPE.2015.7325268","url":null,"abstract":"This paper presents the method and results of calculating the output voltage of the boost-converter with Cockroft-Walton voltage multiplier according to the values of the capacitors and the load. The combination of boost-converter with voltage multiplier provides a very high voltage gain, which can be adjusted by changing the duty cycle of the boost converter. It is shown that the output voltage of the converter is a complex function of the switching frequency, duty cycle, number and value of the capacitors and load resistance. The proposed method for calculating the external characteristic is based on the analysis of the energy losses in the capacitors of the multiplier. The formulas and graphs for estimating the output voltage as a function of the converter and load parameters are obtained. Experimental results confirmed the theoretical expectations.","PeriodicalId":246203,"journal":{"name":"2015 International Conference on Electrical Drives and Power Electronics (EDPE)","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122158600","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}
Pub Date : 2015-11-12DOI: 10.1109/EDPE.2015.7325335
Jiří Brychcín, D. Janik, T. Kosan, Z. Peroutka
This paper presents modulator with active voltage balancing control for three-phase four-level FLC converter based electric motor drive for applications supplied directly from a 6 kV ac-grid. It describes modulation algorithm of the drive with phase shifted PWM modulation with balancing voltage of flying capacitor by using P controllers in the closed loop. The proposed control is verified by experiments carried out on down-scale drive prototype of rated power of 35 kVA.
{"title":"Modulator for 4-level flying capacitor converter with active voltage balancing control with P controllers","authors":"Jiří Brychcín, D. Janik, T. Kosan, Z. Peroutka","doi":"10.1109/EDPE.2015.7325335","DOIUrl":"https://doi.org/10.1109/EDPE.2015.7325335","url":null,"abstract":"This paper presents modulator with active voltage balancing control for three-phase four-level FLC converter based electric motor drive for applications supplied directly from a 6 kV ac-grid. It describes modulation algorithm of the drive with phase shifted PWM modulation with balancing voltage of flying capacitor by using P controllers in the closed loop. The proposed control is verified by experiments carried out on down-scale drive prototype of rated power of 35 kVA.","PeriodicalId":246203,"journal":{"name":"2015 International Conference on Electrical Drives and Power Electronics (EDPE)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125909411","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}
Pub Date : 2015-11-12DOI: 10.1109/EDPE.2015.7325274
Róbert Žatkovič, J. Dudrik
This paper is dedicated to a special high frequency DC/DC converter with a secondary side active rectifier, which in cooperation with a novel type of active lossless snubber ensures required conditions for soft switching of all transistor switches of the converter in a wide load range. Theoretical analysis of DC/DC converter with active rectifier is done, and operation principle of the proposed soft switching DC/DC converter with active rectifier and active snubber is described. Experimental results obtained on laboratory model of proposed soft switching DC/DC converter are presented.
{"title":"Novel soft switching DC/DC converter with active rectifier for wide load range","authors":"Róbert Žatkovič, J. Dudrik","doi":"10.1109/EDPE.2015.7325274","DOIUrl":"https://doi.org/10.1109/EDPE.2015.7325274","url":null,"abstract":"This paper is dedicated to a special high frequency DC/DC converter with a secondary side active rectifier, which in cooperation with a novel type of active lossless snubber ensures required conditions for soft switching of all transistor switches of the converter in a wide load range. Theoretical analysis of DC/DC converter with active rectifier is done, and operation principle of the proposed soft switching DC/DC converter with active rectifier and active snubber is described. Experimental results obtained on laboratory model of proposed soft switching DC/DC converter are presented.","PeriodicalId":246203,"journal":{"name":"2015 International Conference on Electrical Drives and Power Electronics (EDPE)","volume":"69 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124718929","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}
Pub Date : 2015-11-12DOI: 10.1109/EDPE.2015.7325322
T. Laskody, B. Dobrucký, P. Štefanec, M. Praženica
This paper deals with comparison of a novel supply system consisting of a single leg matrix converter with a single leg voltage source inverter fed the single phase induction machine. Single leg matrix converter operates without DC-interlink, thus there is no need to use bulky capacitors. Comparison of the two converters is made by simulation under motoric load.
{"title":"Comparison of a single-phase induction motor drive fed by VSI and MxC with option of speed reduction","authors":"T. Laskody, B. Dobrucký, P. Štefanec, M. Praženica","doi":"10.1109/EDPE.2015.7325322","DOIUrl":"https://doi.org/10.1109/EDPE.2015.7325322","url":null,"abstract":"This paper deals with comparison of a novel supply system consisting of a single leg matrix converter with a single leg voltage source inverter fed the single phase induction machine. Single leg matrix converter operates without DC-interlink, thus there is no need to use bulky capacitors. Comparison of the two converters is made by simulation under motoric load.","PeriodicalId":246203,"journal":{"name":"2015 International Conference on Electrical Drives and Power Electronics (EDPE)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129334463","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}
京公网安备 11010802042870号
京ICP备2023020795号-1
扫码关注我们
求助内容：
应助结果提醒方式：