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Indoor air measurements for particle pollution 室内空气颗粒污染测量
2022 8th International Conference on Energy Efficiency and Agricultural Engineering (EE&AE) Pub Date : 2022-06-30 DOI: 10.1109/eeae53789.2022.9831358
L. Popescu, R. Popescu
{"title":"Indoor air measurements for particle pollution","authors":"L. Popescu, R. Popescu","doi":"10.1109/eeae53789.2022.9831358","DOIUrl":"https://doi.org/10.1109/eeae53789.2022.9831358","url":null,"abstract":"Many research papers deal with the influence of indoor air particulate pollution related to human health. People usually spend most of the time indoors, so the air quality is very important. Bucharest is one of the most polluted city in Europe concerning particle matter. Almost every day the concentration outdoors is higher than the maximum limit, that's why fast measures to limit particle pollution should be found and implemented accordingly. The originality of the present paper is to show the influence of particles' concentration as a function of: activity type, season (autumn, winter), and also the indoor air cleaning device influence over the concentration of particles. The final purpose of the study aims to present measures to reduce particle pollution, for cities having a high concentration levels. Using particle counters of new generation, laser aerosol Grimm 11E type, accurate results will be provided for PM2.5, PM1 and PM10. Comparison between different locations studied and different indoor activities are interesting to be presented in the present research.","PeriodicalId":441906,"journal":{"name":"2022 8th International Conference on Energy Efficiency and Agricultural Engineering (EE&AE)","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115171882","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
Research of the need for training financial literacy under economic uncertainty in the framework of the educational process at schools 经济不确定性下学校教育过程中金融素养培养的必要性研究
2022 8th International Conference on Energy Efficiency and Agricultural Engineering (EE&AE) Pub Date : 2022-06-30 DOI: 10.1109/eeae53789.2022.9831342
Sargu Lilia, V. Yulia, Gatina Elvira Arslanovna, Yelesin Evgeniy Yurievich
{"title":"Research of the need for training financial literacy under economic uncertainty in the framework of the educational process at schools","authors":"Sargu Lilia, V. Yulia, Gatina Elvira Arslanovna, Yelesin Evgeniy Yurievich","doi":"10.1109/eeae53789.2022.9831342","DOIUrl":"https://doi.org/10.1109/eeae53789.2022.9831342","url":null,"abstract":"This The authors identified the current issue of developing entrepreneurial and economic skills from an early age and proposed further research that will affirm or refute this topic. Being university teachers, they observed that the promotion of economic, financial and monetary values can be initiated from school and continued in high school for perfection. A financially educated society is much easier to convince in the case of the state to form fiscal policies, to form monetary strategies, to accept loans, to form financial support programs for both individuals and legal entities. As a result of the widespread research on financial literacy in European countries and China, it is established that the highest level of financial literacy is held by men, as well as students from full-fledged families and parents with a high level, sector level, and literacy through the need to discuss these issues regarding the risks of sakh.com transactions. We conducted a survey of Kazan University students that established the need for and importance of introducing a special financial literacy course into the school process. Competent use of own financial resources to those identified, investment implementation relationship, educational projects, research competitions, financial literacy events among schoolchildren, students and the volume of deposits in banking structures. The higher the level of financial literacy, the more people invest, even in the banking sector","PeriodicalId":441906,"journal":{"name":"2022 8th International Conference on Energy Efficiency and Agricultural Engineering (EE&AE)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122290695","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
Analysis of a PV Installation with a Battery Storage and BMS at a Residential Building 某住宅楼光伏电池储能系统及BMS系统分析
2022 8th International Conference on Energy Efficiency and Agricultural Engineering (EE&AE) Pub Date : 2022-06-30 DOI: 10.1109/eeae53789.2022.9831207
K. Simeonov, N. Mihailov, N. Valov, K. Gabrovska-Evstatieva
{"title":"Analysis of a PV Installation with a Battery Storage and BMS at a Residential Building","authors":"K. Simeonov, N. Mihailov, N. Valov, K. Gabrovska-Evstatieva","doi":"10.1109/eeae53789.2022.9831207","DOIUrl":"https://doi.org/10.1109/eeae53789.2022.9831207","url":null,"abstract":"This study presents some results and analysis from the exploitation of a grid-connected PV installation with battery storage, operated in a residential building. The installation is made of a 4810 Wp photovoltaic system, an inverter and a 12 kWh Li-Ion battery storage. Furthermore, a battery management system (BMS) is used to provide passive balancing of the cells, as well as for monitoring different energy parameters of the system. The inverter determines the operation mode of the system as either bypass or battery mode, depending on the available and consumed power. The study also presents some results for typical sunny and cloudy days and analyzes the system’s exploitation efficiency.","PeriodicalId":441906,"journal":{"name":"2022 8th International Conference on Energy Efficiency and Agricultural Engineering (EE&AE)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122206448","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
Outdoor air measurements with mobile laboratory in Bucharest 布加勒斯特移动实验室的室外空气测量
2022 8th International Conference on Energy Efficiency and Agricultural Engineering (EE&AE) Pub Date : 2022-06-30 DOI: 10.1109/eeae53789.2022.9831278
R. Popescu, L. Popescu
{"title":"Outdoor air measurements with mobile laboratory in Bucharest","authors":"R. Popescu, L. Popescu","doi":"10.1109/eeae53789.2022.9831278","DOIUrl":"https://doi.org/10.1109/eeae53789.2022.9831278","url":null,"abstract":"In this paper outdoor air pollution measurements are presented, from the Technical University of Construction campus located in Bucharest, Romania. A modern mobile laboratory is used to measure outdoor concentration levels of pollutants. Rainy and sunny days are compared, as well as cold and hot sunny days. Continuous measurements concern the following air components: CO, particulates (PM10 and PM2,5), O3, SO2, NO, NO2, NOx, BTEX (benzene, toluene, o,m,p-xylene and ethylbenzene), as well as meteorological conditions as: wind speed/direction, solar radiation, temperature and RH. All these measurements are very important because Bucharest city has a one of the highest levels of pollution in Europe, so there is a great concern of introducing quick measures to decrease pollution levels outdoors.","PeriodicalId":441906,"journal":{"name":"2022 8th International Conference on Energy Efficiency and Agricultural Engineering (EE&AE)","volume":"18 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128982973","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
Neural Network a Way to Forecast the Generation of Electricity From a Wind Turbine 神经网络预测风力发电的方法
2022 8th International Conference on Energy Efficiency and Agricultural Engineering (EE&AE) Pub Date : 2022-06-30 DOI: 10.1109/eeae53789.2022.9831402
I. Metodieva, Stoyan Hristov Bozhkov
{"title":"Neural Network a Way to Forecast the Generation of Electricity From a Wind Turbine","authors":"I. Metodieva, Stoyan Hristov Bozhkov","doi":"10.1109/eeae53789.2022.9831402","DOIUrl":"https://doi.org/10.1109/eeae53789.2022.9831402","url":null,"abstract":"This report reviews the main factors influencing the performance and productivity of wind energy sources. These sources function mainly as mains-connected, which affects both the quality of the voltage and the reliability of the electrical networks to which they are connected. It is essential for the realization of uninterrupted power supply to perform an accurate forecast analysis of the electricity produced by these sources. For the purposes of forecasting, an artificial intelligence device is presented. The purpose of the report is defined, namely to create a neural network through which to forecast the electricity produced by a wind generator. The operability of the developed model was assessed. To achieve this goal, an interactive system for numerical calculations, analysis and graphs - MATLAB / Toolbox / NNtool was used. The article is structured as follows: The first and second parts of the report present the problem related to forecasting the production of electricity from wind sources. A modern, possible solution to the problem by using a neural network is presented. In the third part of the report, a neural network for predicting the production of electricity from a wind turbine has been set up. The main steps in creating the network are described, the accuracy of its work is assessed. In the last part, based on the research, conclusions are drawn.","PeriodicalId":441906,"journal":{"name":"2022 8th International Conference on Energy Efficiency and Agricultural Engineering (EE&AE)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129111473","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
Influence of Non-traditional Organic Fertilizers on Spring Wheat Harvest and Carbon Dioxide Emission from Soil 非传统有机肥对春小麦收成及土壤二氧化碳排放的影响
2022 8th International Conference on Energy Efficiency and Agricultural Engineering (EE&AE) Pub Date : 2022-06-30 DOI: 10.1109/eeae53789.2022.9831346
V. M. Lapushkin, A. A. Lapushkina, Stepan Y. Smirnov, Y. Enakiev
{"title":"Influence of Non-traditional Organic Fertilizers on Spring Wheat Harvest and Carbon Dioxide Emission from Soil","authors":"V. M. Lapushkin, A. A. Lapushkina, Stepan Y. Smirnov, Y. Enakiev","doi":"10.1109/eeae53789.2022.9831346","DOIUrl":"https://doi.org/10.1109/eeae53789.2022.9831346","url":null,"abstract":"The influence of non-traditional organic fertilizers on the yield and quality of spring wheat of the Lyubava variety was determined. During the research, the following nontraditional organic fertilizers were used: biohumus, Golden Fairy biofertilizer (biosludge from biogas production) and manure. The studies were carried out under the conditions of a microfield experiment, in nitrogen-equivalent doses. The influence of the use of manure, mineral fertilizers in an equivalent dose and their combination on the main indicator of grain quality - the content of crude protein was studied. The amount of carbon dioxide emissions from the soil from the application of vermicompost and residues from biogas production was determined in com-parison with the application of manure.","PeriodicalId":441906,"journal":{"name":"2022 8th International Conference on Energy Efficiency and Agricultural Engineering (EE&AE)","volume":"71 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130327072","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 new method for testing Peltier modules 一种测试Peltier模块的新方法
2022 8th International Conference on Energy Efficiency and Agricultural Engineering (EE&AE) Pub Date : 2022-06-30 DOI: 10.1109/eeae53789.2022.9831305
Radostin Kasarov
{"title":"A new method for testing Peltier modules","authors":"Radostin Kasarov","doi":"10.1109/eeae53789.2022.9831305","DOIUrl":"https://doi.org/10.1109/eeae53789.2022.9831305","url":null,"abstract":"This paper presents the results of the application of a new approach to the study of thermoelectric components. Six single-stage Peltier modules, models TEC1-12706 and TEC1-12706SR, were measured. A pulse-echo contact ultrasonic technique and 10 MHz frequency dual transducer was used to determine thicknesses of ceramic plates at many points of their surfaces. Variation of the results for different modules and plates were obtained. Additional reliability factor was introduced to estimate the temperature deviations as a function of thickness. Comparative results of studied modules can be used for quality selection in the design of electronic components and devices. The proposed ultrasonic method for measuring the thickness of ceramic plates is effective enough to be part of the control and testing procedure.","PeriodicalId":441906,"journal":{"name":"2022 8th International Conference on Energy Efficiency and Agricultural Engineering (EE&AE)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123885234","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
Harmonic Compensation in Ship Power System Using p-q Theory Control Based Shunt Active Power Filter 基于p-q理论控制的船舶电力系统谐波补偿并联有源滤波器
2022 8th International Conference on Energy Efficiency and Agricultural Engineering (EE&AE) Pub Date : 2022-06-30 DOI: 10.1109/eeae53789.2022.9831307
Dimitar Tsvetanov, N. Djagarov, Z. Grozdev, J. Djagarova
{"title":"Harmonic Compensation in Ship Power System Using p-q Theory Control Based Shunt Active Power Filter","authors":"Dimitar Tsvetanov, N. Djagarov, Z. Grozdev, J. Djagarova","doi":"10.1109/eeae53789.2022.9831307","DOIUrl":"https://doi.org/10.1109/eeae53789.2022.9831307","url":null,"abstract":"Nowadays, with the increased proliferation of nonlinear loads used in the ship's power systems, the issue of improving and maintaining the power quality is rising as well. The caused deterioration can lead to disturbance in the operation of the electrical equipment and overall disruption of the system stability. To avoid these consequences, different approaches, such as the application of passive, active filters, or other devices, can be used. The present paper describes the implementation of a shunt active power filter (SAPF) with a p-q theory-based control system in a ship's electrical power system, aiming to reduce the total harmonic distortion (THD) at the point of common coupling (PCC) of nonlinear loads. By proposition of an accurate mathematical model of a ship's power system and simulation of different case studies, the disturbance in the system with and without SAPF connected is observed and analyzed.","PeriodicalId":441906,"journal":{"name":"2022 8th International Conference on Energy Efficiency and Agricultural Engineering (EE&AE)","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121365466","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
Tolerance Analysis of SEPIC DC-DC Converter SEPIC DC-DC变换器公差分析
2022 8th International Conference on Energy Efficiency and Agricultural Engineering (EE&AE) Pub Date : 2022-06-30 DOI: 10.1109/eeae53789.2022.9831387
N. Hinov, T. Hranov, B. Gilev
{"title":"Tolerance Analysis of SEPIC DC-DC Converter","authors":"N. Hinov, T. Hranov, B. Gilev","doi":"10.1109/eeae53789.2022.9831387","DOIUrl":"https://doi.org/10.1109/eeae53789.2022.9831387","url":null,"abstract":"The paper presents tolerance analysis of SEPIC DC-DC converter. Based on a verified model, the influence of the accuracy of the magnetic components and the capacitors on the output indicators of the selected power electronic device is determined. In the study, the variation of the values of the elements was chosen to be performed in pairs, and due to the peculiarities of the power scheme the change of the inductors L1 and L2 is performed jointly, although a variant without magnetic coupling between them was chosen. Accurate quantitative assessment of this impact on the operating mode is presented in tabular form and through 3D graphs. In this way, the optimal selection of circuit elements is made at the design stage. The presented results are also useful for studying the stability and synthesis of optimal control of SEPIC DC/DC converter.","PeriodicalId":441906,"journal":{"name":"2022 8th International Conference on Energy Efficiency and Agricultural Engineering (EE&AE)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114630616","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
Identification of Lighting Clouds Presented by Electric Dipole 电偶极子呈现的闪电云识别
2022 8th International Conference on Energy Efficiency and Agricultural Engineering (EE&AE) Pub Date : 2022-06-30 DOI: 10.1109/eeae53789.2022.9831392
A. Chervenkov
{"title":"Identification of Lighting Clouds Presented by Electric Dipole","authors":"A. Chervenkov","doi":"10.1109/eeae53789.2022.9831392","DOIUrl":"https://doi.org/10.1109/eeae53789.2022.9831392","url":null,"abstract":"Identification of a moving lightning cloud is being carried out. The lightning cloud is seen as an electric dipole. The electromagnetic field distribution in moving environments is considered. For determination of the electromagnetic field, electromagnetic model and relativistic approach are used. A four-dimensional potential is applied. The magnetic vector potential and the scalar electric potential are the elements of four-dimensional potential. The Maxwell tensor is used to determine the vectors of the electromagnetic field. The electric field vector components of the electric dipole are obtained. The quality of dipole charge, its coordinates and velocity are determined by solving the inverse problem. To solve the inverse problem, the obtained analytical expressions for the components of the electric field, created by a moving electric dipole, are used.","PeriodicalId":441906,"journal":{"name":"2022 8th International Conference on Energy Efficiency and Agricultural Engineering (EE&AE)","volume":"86 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126332187","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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