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2014 International Conference and Exposition on Electrical and Power Engineering (EPE)最新文献

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Robustness analysis of a disturbance-observer based PI control 基于扰动观测器的PI控制鲁棒性分析
2014 International Conference and Exposition on Electrical and Power Engineering (EPE) Pub Date : 2016-02-01 DOI: 10.1109/CYBERI.2016.7438599
M. Huba
{"title":"Robustness analysis of a disturbance-observer based PI control","authors":"M. Huba","doi":"10.1109/CYBERI.2016.7438599","DOIUrl":"https://doi.org/10.1109/CYBERI.2016.7438599","url":null,"abstract":"This paper deals with a robustness analysis of a disturbance observer (DO) based filtered PI control (DO-FPI) for integral first order plants based on the performance portrait method. For the loop robustification and a noise attenuation the loop is augmented by n-th order filters used in the inner DO loop, as well as in the outer loop with the stabilizing P controller. Although the derived results may be used in a broad range of tasks originating in a control of plants with a dominant first order dynamics, for the sake of simplicity they focus on control of a single integrator.","PeriodicalId":271843,"journal":{"name":"2014 International Conference and Exposition on Electrical and Power Engineering (EPE)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129150678","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
Overload protection of power lines 电源线过载保护
2014 International Conference and Exposition on Electrical and Power Engineering (EPE) Pub Date : 2014-12-04 DOI: 10.1109/ICEPE.2014.6970053
A. Hazi, G. Hazi
{"title":"Overload protection of power lines","authors":"A. Hazi, G. Hazi","doi":"10.1109/ICEPE.2014.6970053","DOIUrl":"https://doi.org/10.1109/ICEPE.2014.6970053","url":null,"abstract":"The paper looks into configuring thermal image-type protections within the power lines numerical protections. The first part of the paper proposes a method to determine the time constant for the power line heating process. It is an essential measure for these protections. The cable lines are considered separately from the overhead lines. The protection characteristics offered by various numerical terminal providers are analyzed. Several configuration options are proposed depending on the specific situations. Examples are presented for cable lines and overhead lines.","PeriodicalId":271843,"journal":{"name":"2014 International Conference and Exposition on Electrical and Power Engineering (EPE)","volume":"62 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115720011","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
The impact of the support scheme on the installed capacity in renewable energy sources in Romania 支持方案对罗马尼亚可再生能源装机容量的影响
2014 International Conference and Exposition on Electrical and Power Engineering (EPE) Pub Date : 2014-12-04 DOI: 10.1109/ICEPE.2014.6970089
P. Atănăsoae, Eugen Hopulele
{"title":"The impact of the support scheme on the installed capacity in renewable energy sources in Romania","authors":"P. Atănăsoae, Eugen Hopulele","doi":"10.1109/ICEPE.2014.6970089","DOIUrl":"https://doi.org/10.1109/ICEPE.2014.6970089","url":null,"abstract":"For encouraging and supporting the production of electrical energy from renewable energy sources, it was conceived a set of rules which is based on the existence of green certificates and a mandatory quota system. This paper presents an analysis of the impact of the support scheme on the investments in renewable energy sources in Romania. It also presents the evolution of the centralized green certificates market and the contribution of the renewable energy sources for the electricity production of Romania.","PeriodicalId":271843,"journal":{"name":"2014 International Conference and Exposition on Electrical and Power Engineering (EPE)","volume":"17 5","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120980995","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 time relationship in registration of data from electrical power system 电力系统数据登记中的时间关系
2014 International Conference and Exposition on Electrical and Power Engineering (EPE) Pub Date : 2014-12-04 DOI: 10.1109/ICEPE.2014.6970027
R. Maśnicki, Janusz Mindikowski, D. Hallmann
{"title":"The time relationship in registration of data from electrical power system","authors":"R. Maśnicki, Janusz Mindikowski, D. Hallmann","doi":"10.1109/ICEPE.2014.6970027","DOIUrl":"https://doi.org/10.1109/ICEPE.2014.6970027","url":null,"abstract":"The paper presents the time relations between processes and operations carried out during the registration of data from the electrical power system, stored in pendrive portable memory. The authors present and analyze the successive stages of registration of data containing information on the signals in the power system, starting from their conversion into digital form, by gathering in memory of the DSP and sending them by using LVDS protocol to the FPGA, where they are cached in 4 B frames and then sent via SPI interface to the memory of GPP processor operating under the Linux system. In the next step, using the tools and drivers available in this environment, data is stored on the USB. This operation is critical in saving the data stream from the power system, affecting the speed limit of data recording. The limitations of this operation are caused mainly due to the properties of the Linux system.","PeriodicalId":271843,"journal":{"name":"2014 International Conference and Exposition on Electrical and Power Engineering (EPE)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121088810","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
Methods for planar integrated low pass filter performance improvements in high frequency 改进平面集成低通滤波器高频性能的方法
2014 International Conference and Exposition on Electrical and Power Engineering (EPE) Pub Date : 2014-12-04 DOI: 10.1109/ICEPE.2014.6969983
A. Racasan, C. Munteanu, V. Topa, C. Pacurar, C. Hebedean, Mihaela Cislariu
{"title":"Methods for planar integrated low pass filter performance improvements in high frequency","authors":"A. Racasan, C. Munteanu, V. Topa, C. Pacurar, C. Hebedean, Mihaela Cislariu","doi":"10.1109/ICEPE.2014.6969983","DOIUrl":"https://doi.org/10.1109/ICEPE.2014.6969983","url":null,"abstract":"The improvement of the performances of a filter involves two major research directions: the first one refers to the attenuation increase (through the increase of the losses) at high frequency and the second one refers to the suppression of the parasitic effects from the constitutive devices. In this light, this paper presents the authors contributions in terms of improving the filter performances through the attenuation increase at high frequency considering also the parasitic effects minimization. Thus, in order to increase the attenuation at high frequency the use of nickel platting method on the copper conductors is proposed, method which will be tested on a low-pass filter constructed in planar electromagnetic technology.","PeriodicalId":271843,"journal":{"name":"2014 International Conference and Exposition on Electrical and Power Engineering (EPE)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126082024","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
On the transient short circuit torque expression of induction machines 感应电机瞬态短路转矩表达式的研究
2014 International Conference and Exposition on Electrical and Power Engineering (EPE) Pub Date : 2014-12-04 DOI: 10.1109/ICEPE.2014.6969936
Livia Cociu, V. Cociu
{"title":"On the transient short circuit torque expression of induction machines","authors":"Livia Cociu, V. Cociu","doi":"10.1109/ICEPE.2014.6969936","DOIUrl":"https://doi.org/10.1109/ICEPE.2014.6969936","url":null,"abstract":"In this paper the transient electromagnetic torque expressions of an induction machine have been deduced and analyzed in the case of a three-phase short circuit of the supply network. Starting from the precise mathematical expressions for stator and rotor currents in the short circuit transient, the expressions of the electromagnetic torque have been established. Two damping components with the same low time constant have been highlighted: a sinusoidal one and a constant one. Due to the complicated form of the final expressions, simplified formulas for parameter expressions have been deduced in order to calculate the maximum torque value. Conclusions regarding the nature and the duration of the transient electromagnetic torque have been drawn.","PeriodicalId":271843,"journal":{"name":"2014 International Conference and Exposition on Electrical and Power Engineering (EPE)","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126618512","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
Study upon the disturbing potential of TETRA electromagnetic traffic TETRA电磁交通干扰电位的研究
2014 International Conference and Exposition on Electrical and Power Engineering (EPE) Pub Date : 2014-12-04 DOI: 10.1109/ICEPE.2014.6969944
S. Ursache, M. Paulet, A. Salceanu, C. Luca
{"title":"Study upon the disturbing potential of TETRA electromagnetic traffic","authors":"S. Ursache, M. Paulet, A. Salceanu, C. Luca","doi":"10.1109/ICEPE.2014.6969944","DOIUrl":"https://doi.org/10.1109/ICEPE.2014.6969944","url":null,"abstract":"We have focused on possible disturbances produced in the Terrestrial Trunked Radio (TETRA) band 380-460 MHz, by the commonly encountered walkie-talkie transceivers. In this paper we want principally to present our measurements, evaluations and recommendations regarding the influence of TETRA communication systems upon sensitive medical equipment, mainly four specific parameter of a mechanical ventilator: the inspiratory volume, the expiratory volume, the inspiratory pressure and finally the expiratory pressure. There were measured the values of the field strength associated with the TETRA traffic and in the same time, there were controlled, respecting a strict protocol, the alterations of the set parameters.","PeriodicalId":271843,"journal":{"name":"2014 International Conference and Exposition on Electrical and Power Engineering (EPE)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126761598","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
Offline Battery Pack Model optimization 离线电池组模型优化
2014 International Conference and Exposition on Electrical and Power Engineering (EPE) Pub Date : 2014-12-04 DOI: 10.1109/ICEPE.2014.6970054
L. Turos, I. Székely, G. Csernáth, K. Gyorgy
{"title":"Offline Battery Pack Model optimization","authors":"L. Turos, I. Székely, G. Csernáth, K. Gyorgy","doi":"10.1109/ICEPE.2014.6970054","DOIUrl":"https://doi.org/10.1109/ICEPE.2014.6970054","url":null,"abstract":"Accurate Battery Pack Modeling gains more and more importance in many applications such as Hybrid Electric Vehicles (HEVs), EVs [1],[2] and small embedded UPS devices [8],[9]. A high fidelity model gives information of the dynamics of the power delivery and the State of Charge (SOC), which is very important for estimating the runtime of these systems.","PeriodicalId":271843,"journal":{"name":"2014 International Conference and Exposition on Electrical and Power Engineering (EPE)","volume":"13 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122358299","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
RR interval prediction in ECG signals 心电信号的RR区间预测
2014 International Conference and Exposition on Electrical and Power Engineering (EPE) Pub Date : 2014-12-04 DOI: 10.1109/ICEPE.2014.6969954
Z. Germán-Salló, C. Ciufudean
{"title":"RR interval prediction in ECG signals","authors":"Z. Germán-Salló, C. Ciufudean","doi":"10.1109/ICEPE.2014.6969954","DOIUrl":"https://doi.org/10.1109/ICEPE.2014.6969954","url":null,"abstract":"Prediction of a signal from recorded time series is always a challenging task. In this paper, the R-R intervals behaviour is estimated using linear and non-linear prediction techniques. The value of each sample point is predicted using a certain number of previous samples and the prediction error is computed. The wavelet transform provides multi-resolution analysis and allows accurate time-frequency localization of different signal properties. This paper presents a nonlinear prediction method from a first order discrete wavelet transform, implemented on artificial neural network based learning structure, compared with an ARMA model based prediction method. The followed parameter is the absolute value of prediction error.","PeriodicalId":271843,"journal":{"name":"2014 International Conference and Exposition on Electrical and Power Engineering (EPE)","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122490009","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
Starting of large compressor motors on a weak grid - Case study 大型压缩机电机在弱电网上的启动-案例研究
2014 International Conference and Exposition on Electrical and Power Engineering (EPE) Pub Date : 2014-12-04 DOI: 10.1109/ICEPE.2014.6969998
A. Aparaschivei, G. Chiriac, D. Lucache
{"title":"Starting of large compressor motors on a weak grid - Case study","authors":"A. Aparaschivei, G. Chiriac, D. Lucache","doi":"10.1109/ICEPE.2014.6969998","DOIUrl":"https://doi.org/10.1109/ICEPE.2014.6969998","url":null,"abstract":"This paper presents case studies of different starting methods of large compressor motors on remote locations where the grid is not strong enough to be able to start the motors Direct On-Line (DOL). Some criteria based on common practice have been presented. Following these criteria and making some rough calculations it is easy to anticipate how the installation will look like, what the grid influence will be and how that will affect the cost of electrical installation of a large driven compressor.","PeriodicalId":271843,"journal":{"name":"2014 International Conference and Exposition on Electrical and Power Engineering (EPE)","volume":"67 11","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114120522","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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