Transformer

Application of digital twin technology in transformer relay protection
The paper presents work with the Siemens DIGSI 5 software package, using the example of a numerical relay device for differential …
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Modeling Of A Three-Phase Two-Winding Transformer In EMTP-RV Software
In the first, introductory chapter, the transformer was mentioned as the main element of this thesis. The aim of the thesis and the …
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Determining the Residual Magnetic Flux Value of a Single-Phase Transformer Using a Minor Hysteresis Loop
Residual magnetic flux can cause significant problems in electric power system operation if not taken into consideration. The …
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Lightning Overvoltage Protection of Step-Up Transformer Inside a Nacelle of Onshore New-Generation Wind Turbines
This paper presents an electromagnetic transient analysis of lightning-initiated overvoltage stresses of the step-up transformers …
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Optimal scheduling of power transformers preventive maintenance with Bayesian statistical learning and influence diagrams
Transformer preventive maintenance scheduling—as an integral part of the power utility company’s asset–management process—if optimized …
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Transformer restricted earth fault protection
The task of this thesis was to describe limited earth fault protection and to make its application on a concrete example using the …
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Analysis and measurement of current transformer characteristics
This paper discusses the basic technical characteristics of a current transformer for measurement and protection. The effects of …
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Application of machine learning in the transformer health index analysis
The paper will present the application of several different machine learning algorithms in the analysis of the health index of power …
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Selection of parameters and application of surge arresters in distribution networks
The topic of this thesis is Parameter selection and application of surge arresters in the distribution network. To begin the work, a …
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Transformer differential protection setting with DIGSI 5 software package
The paper presents the method of working with the DIGSI 5 software package, with the use of a numerical relay device type 7UT85 from …
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