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A Basic Phase Shift Full Bridge DC-DC Converter Design And Simulation 基本移相全桥DC-DC变换器的设计与仿真
2022 57th International Universities Power Engineering Conference (UPEC) Pub Date : 2022-08-30 DOI: 10.1109/UPEC55022.2022.9917909
Ş. Küçük, Erdem Akboy
{"title":"A Basic Phase Shift Full Bridge DC-DC Converter Design And Simulation","authors":"Ş. Küçük, Erdem Akboy","doi":"10.1109/UPEC55022.2022.9917909","DOIUrl":"https://doi.org/10.1109/UPEC55022.2022.9917909","url":null,"abstract":"Full Bridge (FB) converters are used in the industrial applications such as switch mode power supplies, high voltage power supplies, battery chargers and welding machines etc. FB isolated DC-DC converters provide a safe charging process by providing galvanic isolation between the battery and the mains. Since the efficiency of the battery charger largely depends on the efficiency of the DC-DC converters, DC-DC converters are very important for battery chargers. However, at FB converters, the parasitic oscillations between the parasitic capacitors of the switches and the leakage inductance of the transformer can reach unacceptable levels for switching losses. Therefore, phase-shift method can be used to provide Soft Switching (SS). At this method, the overlapping of the current and voltages of the switches are reduced and so switching losses are decreased. Moreover current and voltage stresses of power components and Electro Magnetic Interference (EMI) are decreased. It is suitable and preferred for battery chargers in EV technology. In this study, a phase shift FB converter is presented. The design parameters and simulation results are given for input voltage of 385V DC, switching frequency of 50 kHz, and output of 250 W / 48 V.","PeriodicalId":371561,"journal":{"name":"2022 57th International Universities Power Engineering Conference (UPEC)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125042071","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
An Analysis Of Power Quality Improvement By Reactive Power Compensation Devices 无功补偿装置改善电能质量的分析
2022 57th International Universities Power Engineering Conference (UPEC) Pub Date : 2022-08-30 DOI: 10.1109/UPEC55022.2022.9917907
Farzana Hossin, G. Lacey, Rafiqul Chowdhury
{"title":"An Analysis Of Power Quality Improvement By Reactive Power Compensation Devices","authors":"Farzana Hossin, G. Lacey, Rafiqul Chowdhury","doi":"10.1109/UPEC55022.2022.9917907","DOIUrl":"https://doi.org/10.1109/UPEC55022.2022.9917907","url":null,"abstract":"Providing continuous high-quality power is an important aspect of a power system. This, however, requires the use of compensation devices due to the nonlinear load condition and dynamic nature of the power system to avoid invalidating the legal limit standard set by a country’s supply regulation. Keeping the power and voltage level within the given statutory limit can be achieved by injecting or absorbing reactive power by using reactive power compensation (RPC) devices. Flexible AC Transmission Systems (FACTS) also play a key role in enhancing power quality. This paper discusses simulation models developed in IPSA and ETAP software to simulate the power quality improvement of a selection of devices and conducts a performance analysis.","PeriodicalId":371561,"journal":{"name":"2022 57th International Universities Power Engineering Conference (UPEC)","volume":"106 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123428344","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
Whale Optimization Algorithm Based Optimal Operation of Power Distribution Systems 基于鲸鱼优化算法的配电系统优化运行
2022 57th International Universities Power Engineering Conference (UPEC) Pub Date : 2022-08-30 DOI: 10.1109/UPEC55022.2022.9917748
O. Baimakhanov, A. Saukhimov, O. Ceylan
{"title":"Whale Optimization Algorithm Based Optimal Operation of Power Distribution Systems","authors":"O. Baimakhanov, A. Saukhimov, O. Ceylan","doi":"10.1109/UPEC55022.2022.9917748","DOIUrl":"https://doi.org/10.1109/UPEC55022.2022.9917748","url":null,"abstract":"This paper solves the optimal operation problem of distribution systems using renewable energy sources and voltage regulators. The developed model makes use of Whale Optimization Algorithm based optimization. We apply the proposed optimization model to a modified low voltage distribution system of Almaty, Kazakhstan. Three different cases were simulated. The cases considered are medium load level with medium PV power output, high load level with medium PV output, and high load level and low PV power outputs. The simulation results show that the proposed algorithm is able lower the active power losses.","PeriodicalId":371561,"journal":{"name":"2022 57th International Universities Power Engineering Conference (UPEC)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126773905","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
Stochastic Model Predictive Control for Microgrids Based on Monte Carlo Simulations 基于蒙特卡罗仿真的微电网随机模型预测控制
2022 57th International Universities Power Engineering Conference (UPEC) Pub Date : 2022-08-30 DOI: 10.1109/UPEC55022.2022.9917666
Mustafa Sezgin, Soheil Pouraltafi-kheljan, Mehmet Beyarslan, M. Göl
{"title":"Stochastic Model Predictive Control for Microgrids Based on Monte Carlo Simulations","authors":"Mustafa Sezgin, Soheil Pouraltafi-kheljan, Mehmet Beyarslan, M. Göl","doi":"10.1109/UPEC55022.2022.9917666","DOIUrl":"https://doi.org/10.1109/UPEC55022.2022.9917666","url":null,"abstract":"Distributed renewable generation can be harmonized with the utility grid in flexible structures called microgrids. However, the use of renewables has its drawbacks, such as intermittency and generation uncertainty. Smart controllers can be used to solve such problems and operate the microgrids seamlessly. Accurate forecasts of the generation and demand can be beneficial for optimum operation. Unfortunately, such accurate forecasts may not be available in many cases due to the lack of measurements, the uncertainty of weather conditions, and the human factor. Although renewable sources can be predicted with the state of the art weather forecast methods, there is still uncertainty in their forecasts. Moreover, electric vehicles’ charging time and duration has a probabilistic nature. A stochastic model predictive control methodology is proposed in this work to cope with such scenarios. Throughout the manuscript, the methodology and the corresponding simulation results are presented.","PeriodicalId":371561,"journal":{"name":"2022 57th International Universities Power Engineering Conference (UPEC)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115123558","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
A Smart Energy Management System for Elderly Households 高龄家庭智能能源管理系统
2022 57th International Universities Power Engineering Conference (UPEC) Pub Date : 2022-08-30 DOI: 10.1109/UPEC55022.2022.9917856
Christos L. Athanasiadis, K. Pippi, T. Papadopoulos, C. Korkas, Christos Tsaknakis, V. Alexopoulou, Vasileios Nikolaidis, Elias B. Kosmatopoulos
{"title":"A Smart Energy Management System for Elderly Households","authors":"Christos L. Athanasiadis, K. Pippi, T. Papadopoulos, C. Korkas, Christos Tsaknakis, V. Alexopoulou, Vasileios Nikolaidis, Elias B. Kosmatopoulos","doi":"10.1109/UPEC55022.2022.9917856","DOIUrl":"https://doi.org/10.1109/UPEC55022.2022.9917856","url":null,"abstract":"The rapid growth of aging population dictates the necessity of sophisticated monitoring and actuation systems for the smart control and management of elderly households. This paper proposes a state-of-the-art energy management system aiming at increased energy efficiency, lower electricity cost and improved user comfort. The study focuses on a Greek residency with elderly people incorporating controllable and uncontrollable loads, an energy storage system, and photovoltaic generation. A smart home energy management system under the net-metering policy is proposed consisting of three control mechanisms. The reported results offer insights into the optimal residential management practices and evaluate the performance of the proposed control strategy in comparison to other alternative demand response solutions.","PeriodicalId":371561,"journal":{"name":"2022 57th International Universities Power Engineering Conference (UPEC)","volume":"67 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122726718","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
Zero-Sequence Based Fault Location in Non-Effectively Earthed Distribution Systems 基于零序的非有效接地配电系统故障定位
2022 57th International Universities Power Engineering Conference (UPEC) Pub Date : 2022-08-30 DOI: 10.1109/UPEC55022.2022.9917743
M. Atsever, Umur Deveci, Seyit Cem Yılmaz, M. H. Hocaoğlu
{"title":"Zero-Sequence Based Fault Location in Non-Effectively Earthed Distribution Systems","authors":"M. Atsever, Umur Deveci, Seyit Cem Yılmaz, M. H. Hocaoğlu","doi":"10.1109/UPEC55022.2022.9917743","DOIUrl":"https://doi.org/10.1109/UPEC55022.2022.9917743","url":null,"abstract":"Earth faults are detected and located by using zero sequence current magnitude in the field. However, distribution networks may have different neutral earthing strategies, generally, preferred by distribution system operators or enforced by regulatory bodies. Different earthing practices create difficulties for earth fault location problems. In addition to this difficulty, heavy underground cable usage increases the capacitive current levels of the system. Circulating capacitive currents during the single line to ground faults may further hinder the effectiveness of earth fault location algorithms. This work presents zero sequence magnitude-based fault location performance on 151-node distribution network considering different earthing methodologies and line types.","PeriodicalId":371561,"journal":{"name":"2022 57th International Universities Power Engineering Conference (UPEC)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129410561","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
Establishing a Power Hardware-in-the-Loop Environment with a Smart Energy Complex 以智慧能源综合体构建电力硬件在环环境
2022 57th International Universities Power Engineering Conference (UPEC) Pub Date : 2022-08-30 DOI: 10.1109/UPEC55022.2022.9918012
F. Gielnik, J. Geis-Schroer, Daniela Eser, Samuel Eichhorn, Sina Steinle, C. Hirsching, F. Mueller, M. Suriyah, T. Leibfried
{"title":"Establishing a Power Hardware-in-the-Loop Environment with a Smart Energy Complex","authors":"F. Gielnik, J. Geis-Schroer, Daniela Eser, Samuel Eichhorn, Sina Steinle, C. Hirsching, F. Mueller, M. Suriyah, T. Leibfried","doi":"10.1109/UPEC55022.2022.9918012","DOIUrl":"https://doi.org/10.1109/UPEC55022.2022.9918012","url":null,"abstract":"Improving energy efficiency within existing buildings plays a crucial role in achieving the ambitious goal of future CO2 neutrality. For this reason, this contribution outlines the conversion of an existing, decades-old building into a smart office building. Combining this idea with the integration of future technologies – power-to-hydrogen and DC microgrids as well as the integration of existing approved facilities such as a switching matrix system – establishes the concept of a Smart Energy Complex. The setup presented in this contribution allows for both normal operation of the building and power hardware-in-the-loop testing at the same time.","PeriodicalId":371561,"journal":{"name":"2022 57th International Universities Power Engineering Conference (UPEC)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130558224","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
Torque-Speed Characteristics for Electrically Powered Rim Driven Fans and Thrust Comparison with a Small Conventional Fan Jet Engine 电动轮辋驱动风扇的转矩-转速特性及其与小型传统风扇喷气发动机的推力比较
2022 57th International Universities Power Engineering Conference (UPEC) Pub Date : 2022-08-30 DOI: 10.1109/UPEC55022.2022.9917918
R. Bolam, Jhon Paul C. Roque, Y. Vagapov, Richard J. Day
{"title":"Torque-Speed Characteristics for Electrically Powered Rim Driven Fans and Thrust Comparison with a Small Conventional Fan Jet Engine","authors":"R. Bolam, Jhon Paul C. Roque, Y. Vagapov, Richard J. Day","doi":"10.1109/UPEC55022.2022.9917918","DOIUrl":"https://doi.org/10.1109/UPEC55022.2022.9917918","url":null,"abstract":"The aim of this paper is to provide a method of estimating torque versus speed characteristics of single and dual-stage electrically powered Rim Driven Fans which are intended for aircraft propulsion. The methodology is based on the well-known Euler equation which considers the change in angular momentum of the air as it passes through the fan rotors. A derivation of the useful and versatile Specific Work parameter (Y) is provided along with its important relationship with the fan Work Co-efficient ($psi$) and an explanation of the relevance of the Fan Flow Co-efficient ($emptyset$) in determining the flow of air through the RDF device. An equation is derived which relates the fan torque to its rotational speed and a specimen calculation of a 200 mm inlet diameter RDF has been provided. Electrical performance graphs, generated with Motor-CAD LAB software, are included to illustrate an example of a suitably optimised RDF motor circuit. Finally, a thrust performance comparison is made between a theoretical dual-stage RDF and a commercially available fan-jet engine. It is demonstrated that the dual-stage RDF technology could offer a viable solution to power high-speed medium and large commercial transport aircraft, making them particularly suited to distributed thrust system architectures and blended-wing-body aircraft designs.","PeriodicalId":371561,"journal":{"name":"2022 57th International Universities Power Engineering Conference (UPEC)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121371953","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
A Survey of VPP Influence on Power Quality VPP对电能质量影响的研究
2022 57th International Universities Power Engineering Conference (UPEC) Pub Date : 2022-08-30 DOI: 10.1109/UPEC55022.2022.9917850
Eda-Elif Gemil, Vlăduț-Andrei Ion, R. Porumb, Mădălina Arhip-Călin, Cristian Gorea, N. Anton
{"title":"A Survey of VPP Influence on Power Quality","authors":"Eda-Elif Gemil, Vlăduț-Andrei Ion, R. Porumb, Mădălina Arhip-Călin, Cristian Gorea, N. Anton","doi":"10.1109/UPEC55022.2022.9917850","DOIUrl":"https://doi.org/10.1109/UPEC55022.2022.9917850","url":null,"abstract":"This article is a survey of the power quality problems that can occur in power systems, in the context of rising integration of the renewable energy systems, as well as the energy storage systems. By aggregating the production, consume and storage process into a Virtual Power Plant (VPP), some of the many effects of the problems of power quality could be minimized, with the appropriate management plan.","PeriodicalId":371561,"journal":{"name":"2022 57th International Universities Power Engineering Conference (UPEC)","volume":"427 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115946719","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
The SMEmPower Monitoring, Targeting and Verification Tool SMEmPower监控、定位和验证工具
2022 57th International Universities Power Engineering Conference (UPEC) Pub Date : 2022-08-30 DOI: 10.1109/UPEC55022.2022.9917591
Stavros K. Filippidis, N. Kelepouris, A. Bouhouras, Georgios C. Christoforidis, S. A. Vomva, I. D. Pasiopoulou, G. Papagiannis
{"title":"The SMEmPower Monitoring, Targeting and Verification Tool","authors":"Stavros K. Filippidis, N. Kelepouris, A. Bouhouras, Georgios C. Christoforidis, S. A. Vomva, I. D. Pasiopoulou, G. Papagiannis","doi":"10.1109/UPEC55022.2022.9917591","DOIUrl":"https://doi.org/10.1109/UPEC55022.2022.9917591","url":null,"abstract":"This paper presents the methodology and the implementation of the monitoring and targeting (M&T) and monitoring and verification (M&V) tools that were developed in the context of the SMEmPower Efficiency Horizon 2020 project. The tools were built to allow energy managers and energy experts of Small and Medium Enterprises (SMEs) to store and organize energy consumption and production measurements, identify increased energy readings, create scenarios of reduced energy consumption, and finally verify the efficiency of energy conservation measures. The tools were used during the three training rounds that were organized in eight countries by the SMEmPower Efficiency project partners. More specifically, they have been applied for the practical action of the trainees in order to perform energy evaluations or actualization of energy audits in pilot sites under real consumption and production data.","PeriodicalId":371561,"journal":{"name":"2022 57th International Universities Power Engineering Conference (UPEC)","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131524829","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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