Pub Date : 2021-09-13DOI: 10.1109/wzee54157.2021.9576911
Amer Čerkez, S. Smaka, S. Hanjalic, V. Helac, Merisa Hanjalić
Climate problems, the increasingly robust European emissions policy and falling prices of solar and wind have led to the shutdown of many thermal power plants and increased installation of renewable energy power plants. The installed capacity of wind and solar power plants in our country is not yet significant, but small hydropower plants are often considered as a good solution for the power supply to remote areas despite the problems that sometimes arise after the installation of these power plants. This paper describes a power quality problem of high voltages occurs after the installation of a small hydropower plant of 800 kVA in an area with predominantly industrial consumers. Many industries use high technology for manufacturing and require high power quality and reliability of power supply. Even modest power quality problems can have significant technical and economic effects on these consumers. Therefore, it was necessary to precisely monitor power quality to adequately address all related problem recorded during the plant performance test phase. Also, the observed problem has led to power plant outage on several occasions in a short period of time which resulted in a reduction in power generation. Techniques for mitigation the observed power quality issue are also considered in this paper. The implemented solution of the problem is verified by power quality monitoring and SCADA system measurements.
{"title":"Power quality improvement of small hydropower plant located in the industrial area","authors":"Amer Čerkez, S. Smaka, S. Hanjalic, V. Helac, Merisa Hanjalić","doi":"10.1109/wzee54157.2021.9576911","DOIUrl":"https://doi.org/10.1109/wzee54157.2021.9576911","url":null,"abstract":"Climate problems, the increasingly robust European emissions policy and falling prices of solar and wind have led to the shutdown of many thermal power plants and increased installation of renewable energy power plants. The installed capacity of wind and solar power plants in our country is not yet significant, but small hydropower plants are often considered as a good solution for the power supply to remote areas despite the problems that sometimes arise after the installation of these power plants. This paper describes a power quality problem of high voltages occurs after the installation of a small hydropower plant of 800 kVA in an area with predominantly industrial consumers. Many industries use high technology for manufacturing and require high power quality and reliability of power supply. Even modest power quality problems can have significant technical and economic effects on these consumers. Therefore, it was necessary to precisely monitor power quality to adequately address all related problem recorded during the plant performance test phase. Also, the observed problem has led to power plant outage on several occasions in a short period of time which resulted in a reduction in power generation. Techniques for mitigation the observed power quality issue are also considered in this paper. The implemented solution of the problem is verified by power quality monitoring and SCADA system measurements.","PeriodicalId":356488,"journal":{"name":"2021 Selected Issues of Electrical Engineering and Electronics (WZEE)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130080530","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}
Pub Date : 2021-09-13DOI: 10.1109/wzee54157.2021.9577026
Z. Slanina, F. Krupa, J. Nemcik, J. Vlček
This article deals with the design and implementation of regulation and visualization of the cooling system of hydrogen technologies in the research unit CENET (Centre of Energy Utilization of Non-traditional Energy Sources) at VSB-TU Ostrava. The method of energy conversion in a hydrogen laboratory and the methods of its regulation in connection with the cooling process and its setting for activities dependent on other installed non-traditional sources of electricity are analyzed. Finally, the implementation of control algorithms and visualization technology in the process of analysis and synthesis of hydrogen in electricity and back is discussed.
{"title":"Cooling Regulation of Hydrogen Operation Technology","authors":"Z. Slanina, F. Krupa, J. Nemcik, J. Vlček","doi":"10.1109/wzee54157.2021.9577026","DOIUrl":"https://doi.org/10.1109/wzee54157.2021.9577026","url":null,"abstract":"This article deals with the design and implementation of regulation and visualization of the cooling system of hydrogen technologies in the research unit CENET (Centre of Energy Utilization of Non-traditional Energy Sources) at VSB-TU Ostrava. The method of energy conversion in a hydrogen laboratory and the methods of its regulation in connection with the cooling process and its setting for activities dependent on other installed non-traditional sources of electricity are analyzed. Finally, the implementation of control algorithms and visualization technology in the process of analysis and synthesis of hydrogen in electricity and back is discussed.","PeriodicalId":356488,"journal":{"name":"2021 Selected Issues of Electrical Engineering and Electronics (WZEE)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127491416","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}
Pub Date : 2021-09-13DOI: 10.1109/wzee54157.2021.9576915
F. Matiko, Y. Pistun, L. Lesovoi, Oksana Byts
The paper presents the computer-aided design system for developing the natural gas energy metering systems based on differential pressure flowmeters with standard primary devices. The main characteristics of CAD subsystems are presented. CAD makes it possible to calculate the natural gas energy amount for the specified characteristics of measuring instruments and the flow parameters of heat carrier and to use these values as reference while testing the existing metering systems.
{"title":"Computer-aided designing the natural gas energy metering systems based on differential pressure flowmeters","authors":"F. Matiko, Y. Pistun, L. Lesovoi, Oksana Byts","doi":"10.1109/wzee54157.2021.9576915","DOIUrl":"https://doi.org/10.1109/wzee54157.2021.9576915","url":null,"abstract":"The paper presents the computer-aided design system for developing the natural gas energy metering systems based on differential pressure flowmeters with standard primary devices. The main characteristics of CAD subsystems are presented. CAD makes it possible to calculate the natural gas energy amount for the specified characteristics of measuring instruments and the flow parameters of heat carrier and to use these values as reference while testing the existing metering systems.","PeriodicalId":356488,"journal":{"name":"2021 Selected Issues of Electrical Engineering and Electronics (WZEE)","volume":"2021 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116915792","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}
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