2021 56th International Universities Power Engineering Conference (UPEC)最新文献_第9页

Fuzzy Logic Based Scheme for Directional Overcurrent Detection and Classification for Transmission Line 基于模糊逻辑的输电线路定向过流检测与分类方案

2021 56th International Universities Power Engineering Conference (UPEC) Pub Date : 2021-08-31 DOI: 10.1109/UPEC50034.2021.9548215

R. Dawood, M. Al-Greer, G. Pillai

引用次数: 3

Design of a Domestic Controlled Voltage Stabilizer 国产可控稳压器的设计

2021 56th International Universities Power Engineering Conference (UPEC) Pub Date : 2021-08-31 DOI: 10.1109/UPEC50034.2021.9548231

I. Gueye, A. Kebe, Moustapha Diop

{"title":"Design of a Domestic Controlled Voltage Stabilizer","authors":"I. Gueye, A. Kebe, Moustapha Diop","doi":"10.1109/UPEC50034.2021.9548231","DOIUrl":"https://doi.org/10.1109/UPEC50034.2021.9548231","url":null,"abstract":"This paper aims to design a controlled voltage stabilizer to protect domestic appliances from voltage dips in electrical power distribution. Voltage dips are recurrent and become a concern for distributors and consumers. Voltage dips affect the power quality and can have a negative impact on the proper functioning of domestic appliances and other sensitive electronic equipment. Today, this problem has become central and recent measurements show that voltage dips can reach 35 to 40 % in some regions of Senegal. Therefore, this work is mainly focused on the design of a single-phase CVS, using control methodologies based on PI controllers that can effectively handle large voltage dips. The proposed controlled voltage stabilizer consists of a fully controlled AC-AC power converter, based on a single-phase boost rectifier connected to a single-phase PWM inverter with control laws. The design and the control laws adopted were carried out taking into account the characteristics of the electric power distribution, as well as the domestic loads. The robustness and effectiveness of the controlled voltage stabilizer are verified by carrying out simulations in the Matlab simulink environment in various operating cases using real measurements of voltages with different types of electrical loads. Simulation results confirm the effectiveness and robustness of the proposed stabilizer. Furthermore, it enables the protection of domestic appliances by keeping the voltage level stable within a specified range around the rated value regardless of voltage dips.","PeriodicalId":325389,"journal":{"name":"2021 56th International Universities Power Engineering Conference (UPEC)","volume":"125 6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124661051","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

Complex solution to problems of voltage regulation in extended networks of 0.4 kV 0.4 kV扩展电网电压调节问题的复杂解决方案

2021 56th International Universities Power Engineering Conference (UPEC) Pub Date : 2021-08-31 DOI: 10.1109/UPEC50034.2021.9548270

I. Klavsuts, D. Klavsuts, Alexander B. Klavsuts, A. Rusina

引用次数: 1

Analysing Trading Trends in Continuous Intraday Electricity Markets 分析连续日内电力市场的交易趋势

2021 56th International Universities Power Engineering Conference (UPEC) Pub Date : 2021-08-31 DOI: 10.1109/UPEC50034.2021.9548168

Priyanka Shinde, I. Kouveliotis-Lysikatos, M. Amelin

引用次数: 3

A Demand-Response integrated solution for HVAC units in office buildings application 办公楼暖通空调应用的需求响应综合解决方案

2021 56th International Universities Power Engineering Conference (UPEC) Pub Date : 2021-08-31 DOI: 10.1109/UPEC50034.2021.9548268

Dionysios Strongylis, George Isaioglou, L. Zyglakis, P. Gkaidatzis, A. Bintoudi, Athanasios Tryferidis, D. Tzovaras, Konstantinos Arvanitis

{"title":"A Demand-Response integrated solution for HVAC units in office buildings application","authors":"Dionysios Strongylis, George Isaioglou, L. Zyglakis, P. Gkaidatzis, A. Bintoudi, Athanasios Tryferidis, D. Tzovaras, Konstantinos Arvanitis","doi":"10.1109/UPEC50034.2021.9548268","DOIUrl":"https://doi.org/10.1109/UPEC50034.2021.9548268","url":null,"abstract":"Building energy consumption has been declared as an untapped energy source, accounting for 40% of energy consumption worldwide. In this paper, in order to decrease power consumption in an office building aiming at peak reduction a Demand Response solution is proposed integrated in a real building pilot site. Consumption profiling, day-ahead forecasting as long as various feedback techniques were implemented taking into consideration occupant thermal comfort aspects. To make the framework more accurate, various variables have been considered, such as weather forecast, along with environmental conditions (in- and outdoor temperature), occupancy and thermal comfort patterns, space occupancy and current operation of the system. A real-life demonstration of the proposed system was implemented in a commercial building in Thessaloniki Greece, integrating field equipment for real-time monitoring and control of several offices. Preliminary field test results of the working framework are included in this work.","PeriodicalId":325389,"journal":{"name":"2021 56th International Universities Power Engineering Conference (UPEC)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116864676","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

Improving the Operational Reliability of Wind Farms with Vehicle-to-Grid 提高车联网风电场运行可靠性

2021 56th International Universities Power Engineering Conference (UPEC) Pub Date : 2021-08-31 DOI: 10.1109/UPEC50034.2021.9548169

Z. Han, Christopher Challen, S. Skarvelis-Kazakos

引用次数: 0

Educational and Training Program to Increase SME’s Energy Efficiency Skills 提高中小企业能效技能的教育和培训计划

2021 56th International Universities Power Engineering Conference (UPEC) Pub Date : 2021-08-31 DOI: 10.1109/UPEC50034.2021.9548263

D. Şteţ, L. Czumbil, A. Ceclan, S. Cirstea, Alexandru Muresan, D. Jurj, C. Mureşan, Timea Farkas, L. Darabant, M. Crețu, D. Micu, G. Papagiannis

引用次数: 3

A Smart Rail and Grid Energy Management System for increased synergy between DC Railway Networks & Electrical Distribution Networks 智能铁路和电网能源管理系统，用于增加直流铁路网络和配电网络之间的协同作用

2021 56th International Universities Power Engineering Conference (UPEC) Pub Date : 2021-08-31 DOI: 10.1109/UPEC50034.2021.9548224

M. Zangiabadi, Z. Tian, T. Kamel, P. Tricoli, N. Wade, V. Pickert

引用次数: 3

Techno-Economic Analysis of a Commercial Factory’s Renewable Energy System Replacement Alternatives 某商业工厂可再生能源系统替代方案的技术经济分析

2021 56th International Universities Power Engineering Conference (UPEC) Pub Date : 2021-08-31 DOI: 10.1109/UPEC50034.2021.9548202

Jace R. Stott, G. Pillai, Neville Winter

{"title":"Techno-Economic Analysis of a Commercial Factory’s Renewable Energy System Replacement Alternatives","authors":"Jace R. Stott, G. Pillai, Neville Winter","doi":"10.1109/UPEC50034.2021.9548202","DOIUrl":"https://doi.org/10.1109/UPEC50034.2021.9548202","url":null,"abstract":"Renewables typically have a finite life expectancy of around 20 to 30 years. An existing wind energy system for a large commercial factory in the rural area of Barnard Castle, United Kingdom (UK) is nearing the end of its usable life. The existing system is operating at 8 % load factor, providing only 5 % of the site annual load. A techno-economic assessment of three renewable energy proposals will ensure the site’s energy strategy is successful. Three proposals were examined, to continue with the current system until failure, to overhaul the current system and prolong its usable life, or to replace the wind turbines with a rooftop photovoltaic (PV) system. The Net Present Value, Payback Period, Levelised Cost of Electricity and the equivalent Carbon Dioxide emissions were compared for each alternative. The photovoltaic system was the unanimous choice. The Analytical Hierarchy Process was used to systematically select the most appropriate PV module technology for the proposed system, based on the most important factors. Seven different PV module variants were selected and given weighted ratings to determine the most suitable model, the outcome of this was the SunPower SPR-MAX2 360 model. This decision was verified by the Consistency Ratio which indicated an informed decision had been made.","PeriodicalId":325389,"journal":{"name":"2021 56th International Universities Power Engineering Conference (UPEC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129438870","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

High Gain DC-DC Multilevel Boost Converter to Enable Transformerless Grid Connection for Renewable Energy 实现可再生能源无变压器电网连接的高增益DC-DC多电平升压变换器

2021 56th International Universities Power Engineering Conference (UPEC) Pub Date : 2021-08-31 DOI: 10.1109/UPEC50034.2021.9548271

A. Alsafrani, Mason Parker, M. Shahbazi, A. Horsfall

{"title":"High Gain DC-DC Multilevel Boost Converter to Enable Transformerless Grid Connection for Renewable Energy","authors":"A. Alsafrani, Mason Parker, M. Shahbazi, A. Horsfall","doi":"10.1109/UPEC50034.2021.9548271","DOIUrl":"https://doi.org/10.1109/UPEC50034.2021.9548271","url":null,"abstract":"The solid state transformer (SST) is a new technology that will result in the replacement of traditional line frequency transformers in applications demanding high-power density and greater level of control. This paper describes a new form of boost converter to support the development of SST to enable the grid connection of renewable energy sources, such as wave energy and photovoltaics. SST contains the initial low voltage AC-DC converter, a high gain transformer based DC-DC converter, and the output high voltage DC-AC converter. A transformerless DC-DC Multilevel Boost Converter (MBC) is proposed, which combines the traditional boost converter with switched capacitor topology to realise a high voltage gain with only one driven switch and passive components. The main advantages of the proposed converter are the ability to realise high voltage gain without the need for an extreme (>80%) duty cycle, resulting in low voltage stress on the switching device and the creation of three self-balanced voltage levels at the output. The simulation results of the proposed topology are compared to the experimental results to validate the analyses. Thus, a 1 kW prototype MBC converter operating at 75 kHz is reported that resulted in a voltage gain of 10, with an experimental efficiency of 92.4% at a duty cycle of 71%, which compares favourably with the simulated efficiency of 94.5% under the same operating conditions.","PeriodicalId":325389,"journal":{"name":"2021 56th International Universities Power Engineering Conference (UPEC)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133214940","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