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Temperature Increase of Wires Discharging Lightning Current Placed in Polystyrene 聚苯乙烯中放雷电流导线的温升
Automatyka Elektryka Zakłócenia Pub Date : 2023-03-31 DOI: 10.17274/aez.2023.51.03
Jaroslaw WIATER
{"title":"Temperature Increase of Wires Discharging Lightning Current Placed in Polystyrene","authors":"Jaroslaw WIATER","doi":"10.17274/aez.2023.51.03","DOIUrl":"https://doi.org/10.17274/aez.2023.51.03","url":null,"abstract":"W artykule zaprezentowano wyniki pomiarów przyrostu temperatury przewodów odprowadzających prąd piorunowy umieszczonych w styropianie. Badania przeprowadzono z wykorzystaniem generatora prądu piorunowego. Dotychczasowa praktyka stosowana w budownictwie zakładała prowadzenie przewodów odprowadzających prąd piorunowy w rurkach izolacyjnych. Otrzymane wyniki pomiarów jednoznacznie wskazują na brak zagrożenia niebezpiecznym wzrostem temperatury przy bezpośrednio prowadzonym przewodzie odprowadzającym w izolacji styropianowej","PeriodicalId":488492,"journal":{"name":"Automatyka Elektryka Zakłócenia","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135951096","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
Stork’s Nest - Additional Load on the Supporting Structure of the Low Voltage Power Line 鹳巢——低压电力线支撑结构的附加负荷
Automatyka Elektryka Zakłócenia Pub Date : 2023-03-31 DOI: 10.17274/aez.2023.51.04
Piotr TRYJANOWSKI, Adam ZBYRYT, Jozef J. ZAWODNIAK
{"title":"Stork’s Nest - Additional Load on the Supporting Structure of the Low Voltage Power Line","authors":"Piotr TRYJANOWSKI, Adam ZBYRYT, Jozef J. ZAWODNIAK","doi":"10.17274/aez.2023.51.04","DOIUrl":"https://doi.org/10.17274/aez.2023.51.04","url":null,"abstract":"The article presents loading issues of the LV power line supporting structure, with white stork’s nest resting on top of the construction. Technical aspects are presented, which are related to the additional load on the pole resulting from the wind pressure acting on the stork’s nest and the nest mass itself. At present, the data on stork’s nest mass is available and we may develop a model load based on this data.","PeriodicalId":488492,"journal":{"name":"Automatyka Elektryka Zakłócenia","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135951095","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
Approximation and Extrapolation of Vibrations in Induction Machines as a Function of Numbers of Short-circuited Turns in Stator Winding 感应电机振动随定子绕组短路匝数的近似和外推
Automatyka Elektryka Zakłócenia Pub Date : 2023-03-31 DOI: 10.17274/aez.2023.51.01
Wojciech PIETROWSKI, Konrad GORNY, Mikolaj MARCZAK
{"title":"Approximation and Extrapolation of Vibrations in Induction Machines as a Function of Numbers of Short-circuited Turns in Stator Winding","authors":"Wojciech PIETROWSKI, Konrad GORNY, Mikolaj MARCZAK","doi":"10.17274/aez.2023.51.01","DOIUrl":"https://doi.org/10.17274/aez.2023.51.01","url":null,"abstract":"The aim of the research was to extend the possibilities of monitoring and vibration diagnostics of electric machines. The authors proposed a non-invasive diagnostic method taking in to account multi-phase inter-turn short-circuits in stator winding. The process of acquiring of the diagnostic signal and proposed diagnostic method have been presented, concluded and discussed. Moreover, the developed method was verified and the error of the proposed method was calculated.","PeriodicalId":488492,"journal":{"name":"Automatyka Elektryka Zakłócenia","volume":"413 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135951098","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
Mathematical Model of a Stepper Motor with Active Rotor 主动转子步进电机的数学模型
Automatyka Elektryka Zakłócenia Pub Date : 2023-03-31 DOI: 10.17274/aez.2023.51.02
Sebastian ROZOWICZ, Zbigniew GORYCA, Antoni ROZOWICZ
{"title":"Mathematical Model of a Stepper Motor with Active Rotor","authors":"Sebastian ROZOWICZ, Zbigniew GORYCA, Antoni ROZOWICZ","doi":"10.17274/aez.2023.51.02","DOIUrl":"https://doi.org/10.17274/aez.2023.51.02","url":null,"abstract":"The use of step-motor drives is required where it is necessary to precisely determine the position of the device component performing the movement. The modeling of any stepping motor consists of the equilibrium equations of voltages and the equilibrium equation of moments. Based on the proposed mathematical model of a stepping motor, a simulation model can be built, which can provide a lot of information about the operation of the drive before it is built. The following work shows a mathematical model of a stepping motor taking into account the equilibrium equations of mechanical and electrical equilibrium. Thermal phenomena were not considered in this model","PeriodicalId":488492,"journal":{"name":"Automatyka Elektryka Zakłócenia","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135951097","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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