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

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State of Human Capital Development and Working Conditions in Electrical Distribution Companies in Bulgaria 保加利亚配电公司人力资本发展和工作条件状况
2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA) Pub Date : 2019-06-01 DOI: 10.1109/ELMA.2019.8771479
K. Anguelov
{"title":"State of Human Capital Development and Working Conditions in Electrical Distribution Companies in Bulgaria","authors":"K. Anguelov","doi":"10.1109/ELMA.2019.8771479","DOIUrl":"https://doi.org/10.1109/ELMA.2019.8771479","url":null,"abstract":"The current report discusses the results of empirical research on an aspect of corporate social responsibility in the electricity distribution companies in Bulgaria – the development of human capital and labour conditions. The respondents are employees of the electricity distribution companies. They have been asked in respect of a number of important characteristics of human capital and working conditions: the development of healthy and safe working conditions; training and staff development; support the career development; voluntary programs for employees; programmes for objective and fair pay; satisfaction and commitment of employees. The obtained results are discussed in terms of commitment of the employees with the aims of the electricity distribution companies.","PeriodicalId":304248,"journal":{"name":"2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA)","volume":"235 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":"115584398","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
Uncertainty considerations of measuring equipment during experimental research in machining 机械加工试验研究中测量设备不确定度的考虑
2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA) Pub Date : 2019-06-01 DOI: 10.1109/ELMA.2019.8771503
N. Trajchevski, Vasilija Sharac, Rose Smileski
{"title":"Uncertainty considerations of measuring equipment during experimental research in machining","authors":"N. Trajchevski, Vasilija Sharac, Rose Smileski","doi":"10.1109/ELMA.2019.8771503","DOIUrl":"https://doi.org/10.1109/ELMA.2019.8771503","url":null,"abstract":"This paper presents certain considerations about lowering of the measuring uncertainty of the machining process empirical models in turning. It is considered that the lowering of the contributions from the computer aided measuring equipment and the use of appropriate research approaches can be the main factor of gaining reliable research results. The work is based on an empirical research that has been performed by using our own developed machining process modelling and research system.","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":"130301347","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 Determining the Energy Efficiency of the Electric Oven 电烤箱能源效率的测定
2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA) Pub Date : 2019-06-01 DOI: 10.1109/ELMA.2019.8771681
Yanita Slavova, M. Marinova
{"title":"On Determining the Energy Efficiency of the Electric Oven","authors":"Yanita Slavova, M. Marinova","doi":"10.1109/ELMA.2019.8771681","DOIUrl":"https://doi.org/10.1109/ELMA.2019.8771681","url":null,"abstract":"Increasing the energy efficiency of household appliances is an important issue in our energy policy. The study of the thermal field of a household built-in electric oven and the determination of thermal losses are important elements of its design, as well as of its efficient operation. For this purpose, a 3D model based on the finite element method was developed. The adequacy of the model was assessed on the basis of experimental studies. The results obtained allow to simulate various operating modes of the electric oven, as well as to theoretically calculate its energy efficiency.","PeriodicalId":304248,"journal":{"name":"2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA)","volume":"43 12","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120899420","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
Intelligent Control of a Wind Turbine based on Reinforcement Learning 基于强化学习的风力机智能控制
2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA) Pub Date : 2019-06-01 DOI: 10.1109/ELMA.2019.8771645
N. Tomin, V. Kurbatsky, H. Guliyev
{"title":"Intelligent Control of a Wind Turbine based on Reinforcement Learning","authors":"N. Tomin, V. Kurbatsky, H. Guliyev","doi":"10.1109/ELMA.2019.8771645","DOIUrl":"https://doi.org/10.1109/ELMA.2019.8771645","url":null,"abstract":"Advanced controllers of modern wind turbines can help increase energy capture efficiency and reduce structural loading. However, to fulfill the modern wind turbine control demands with contradicting requirements (efficiency and reliability), innovative control methods that can handle multi-objective problems are inevitable. In this paper, we propose adaptive control techniques, which trying to extract the stochastic property of wind speed using a trained reinforcement learning (RL) agent and then apply their obtained optimal policy to the wind turbine adaptive control design. This paper includes the results of tests of the developed torque controller and a multi-input-multi-output (MIMO)-based controller using advanced RL algorithms.","PeriodicalId":304248,"journal":{"name":"2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA)","volume":"101 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":"121166880","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: 9
Optimization of Wind-Diesel Power Plants Parameters and Placement for Power Supply of Russia’s Northern Regions Consumers 俄罗斯北部地区用户供电的风力-柴油发电厂参数优化及配置
2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA) Pub Date : 2019-06-01 DOI: 10.1109/ELMA.2019.8771647
V. Elistratov, I. Bogun, V. Kasina
{"title":"Optimization of Wind-Diesel Power Plants Parameters and Placement for Power Supply of Russia’s Northern Regions Consumers","authors":"V. Elistratov, I. Bogun, V. Kasina","doi":"10.1109/ELMA.2019.8771647","DOIUrl":"https://doi.org/10.1109/ELMA.2019.8771647","url":null,"abstract":"In this article the methodology for substantiating the parameters, placing and evaluating the effectiveness of wind-diesel power plants construction has been proposed. For power supply of isolated settlements with a high wind energy potential in the Russian northern regions, the methodology allows to increase the power supply reliability and save long-distance import diesel fuel. The methodology provides for a multi-level system assessment of the resource potential, analysis of the existing power supply system, climate information, equipment parameters and operating modes optimization to justify an energy-efficient power plant’s construction in the Arctic conditions.","PeriodicalId":304248,"journal":{"name":"2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA)","volume":"91 12","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113954875","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
Neuro-Fuzzy Control Synthesis for Electro-Hydraulic Follow-up System 电液随动系统的神经模糊控制综合
2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA) Pub Date : 2019-06-01 DOI: 10.1109/ELMA.2019.8771671
K. Ormandzhiev, S. Yordanov
{"title":"Neuro-Fuzzy Control Synthesis for Electro-Hydraulic Follow-up System","authors":"K. Ormandzhiev, S. Yordanov","doi":"10.1109/ELMA.2019.8771671","DOIUrl":"https://doi.org/10.1109/ELMA.2019.8771671","url":null,"abstract":"The paper deals with a electro-hydraulic followup system with rotary actuator. Developed a mathematical model describing the dynamics of the processes. A neuro-fuzzy controller has been synthesized and the transient processes in the system are compared to the processes where the classical PD controller is used. The results from numerical experiment are presented in graphical form.","PeriodicalId":304248,"journal":{"name":"2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA)","volume":"27 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":"125650923","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
Assessment of Conditions for the Applications of DLT for Smart Metering in Bulgaria According to the European Requirements 根据欧洲要求对保加利亚DLT应用于智能计量的条件进行评估
2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA) Pub Date : 2019-06-01 DOI: 10.1109/ELMA.2019.8771514
T. Hristova, Peyo Hristov
{"title":"Assessment of Conditions for the Applications of DLT for Smart Metering in Bulgaria According to the European Requirements","authors":"T. Hristova, Peyo Hristov","doi":"10.1109/ELMA.2019.8771514","DOIUrl":"https://doi.org/10.1109/ELMA.2019.8771514","url":null,"abstract":"The implementation of smart metering is part of the EU strategy to increase the transparency and accuracy of the data transmitted to the utility sector in the Member States, as well as to increase the energy efficiency of the electricity distribution companies. The factors hampering the introduction of smart meters based on the existing regulatory framework in Bulgaria lagging behind from EU regulatory initiatives have been studied. We have analyzed the benefits of using a DLT solution in the exchange of information among system participants: users; facilities; utility companies and regulators. The action diagram of a DLT solution based on CORDA for the Utilities sector is visualized.","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":"131916020","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: 10
Distributed Generation Control in Energy Market Conditions Using Advanced Model Predictive Control 基于先进模型预测控制的能源市场分布式发电控制
2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA) Pub Date : 2019-06-01 DOI: 10.1109/ELMA.2019.8771696
Valeriya V. Dubaylova, N. Mukhlynin, O. Polyakova
{"title":"Distributed Generation Control in Energy Market Conditions Using Advanced Model Predictive Control","authors":"Valeriya V. Dubaylova, N. Mukhlynin, O. Polyakova","doi":"10.1109/ELMA.2019.8771696","DOIUrl":"https://doi.org/10.1109/ELMA.2019.8771696","url":null,"abstract":"This paper is devoted to the elaboration of a modern algorithm for distributed generation control in order to reduce the consumer electricity costs. The use of advanced model predictive control is proposed as a mechanism for the output power management of distributed generation units. The advantage of using the advanced model predictive control is that it takes into account the calculation flow model and the unbalanced energy value of the previous dispatch interval. This model can be implemented in the power supply systems of consumers for distributed generation control by means of energy forecasting for the day ahead at the grid nodes.","PeriodicalId":304248,"journal":{"name":"2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA)","volume":"115 11 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":"130026994","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
Method of Solving of the Problem of the Reactive Power of the Load in Multilevel Inverters 多电平逆变器负载无功功率问题的求解方法
2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA) Pub Date : 2019-06-01 DOI: 10.1109/ELMA.2019.8771538
E. Mirgorodskaya, N. Mityashin, Vadim A. Kolchev, I. Artyukhov, S. F. Stepanov
{"title":"Method of Solving of the Problem of the Reactive Power of the Load in Multilevel Inverters","authors":"E. Mirgorodskaya, N. Mityashin, Vadim A. Kolchev, I. Artyukhov, S. F. Stepanov","doi":"10.1109/ELMA.2019.8771538","DOIUrl":"https://doi.org/10.1109/ELMA.2019.8771538","url":null,"abstract":"The paper provides schematic solutions that implement the proposed method of the perceiving of the reactive power of the load, laws of the controlling switches. The comparison of considered solutions of the problem of the reactive power of the load in multilevel voltage inverters is carried out with using of computer models.","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":"115531344","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
Investigation Of The Pressure variation In The Chambers Of External Gear Pumps With Symmetric And Asymmetric Tooth Profiles Used In Electrohydraulic Drive Systems 电液驱动系统中对称和非对称齿形外啮合齿轮泵腔内压力变化的研究
2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA) Pub Date : 2019-06-01 DOI: 10.1109/ELMA.2019.8771541
W. Mhana, G. Popov
{"title":"Investigation Of The Pressure variation In The Chambers Of External Gear Pumps With Symmetric And Asymmetric Tooth Profiles Used In Electrohydraulic Drive Systems","authors":"W. Mhana, G. Popov","doi":"10.1109/ELMA.2019.8771541","DOIUrl":"https://doi.org/10.1109/ELMA.2019.8771541","url":null,"abstract":"In this paper the results of the numerical determination of the pressure variation of the working fluid for external gear pumps with symmetric and asymmetric tooth profiles have been given. It is shown that for pumps with asymmetric teeth profiles, the pressure variation is more uniform as with symmetric teeth profiles. Regardless of the shape of the teeth, the greatest pressure drop is the pressure on the first teeth spaces in relation to the intake chamber, due to the difference in radial clearance for the different teeth as a result of the eccentric arrangement of the gear relative to the pump case.","PeriodicalId":304248,"journal":{"name":"2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA)","volume":"80 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":"114471126","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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