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National Repository of Grey Literature 4 records found  Search took 0.01 seconds. 
Distribution of short circuit currents and voltages in unsymmetrical faults
 Kakrda, Michal ; Topolánek, David (referee) ; Haluzík, Evžen (advisor)
The objective of this bachelor thesis is to introduce the calculation of voltage and current ratios in asymmetrical short circuits. The first part of the thesis is focused on delineating the problem of short circuits in general. It describes the causes of short circuit arising, the types of short circuits and their processes. The next part of the thesis shows the ways of calculating particular types of short circuits, namely concentrating on the method of symmetrical components. The last part of the thesis is focused on the application of the discovered findings to calculate the ratios for the particular electric network. The calculation has been made for all the types of short circuits, both symmetrical and asymmetrical. The resulting ratios are recorded into the phasor diagrams for particular types of short circuits. The part of the calculation is also the recalculation of phase currents through a transformer.
Detailed record
Adjustment of hydraulic conditions in the area of the distribution object of four settling tanks at the Brno-Modřice WWTP
 Šenková, Monika ; Stříteský, Luboš (referee) ; Žoužela, Michal (advisor)
The aim of this diploma thesis is to find a suitable adjustment of hydraulic conditions in the distribution object area of four settling tanks at the Brno-Modřice WWTP. Due to the WWTP capacity increase, there were changes in the hydraulic conditions at the distribution facility, which needed to be adjusted. To find a suitable hydraulic solution, a hydraulic physical model was created in the Laboratory of Water Management Research of the Institute of Hydraulic Engineering, Faculty of Civil Engineering, Brno University of Technology, where experimental tests were made.
Detailed record
Adjustment of hydraulic conditions in the area of the distribution object of four settling tanks at the Brno-Modřice WWTP
 Šenková, Monika ; Stříteský, Luboš (referee) ; Žoužela, Michal (advisor)
The aim of this diploma thesis is to find a suitable adjustment of hydraulic conditions in the distribution object area of four settling tanks at the Brno-Modřice WWTP. Due to the WWTP capacity increase, there were changes in the hydraulic conditions at the distribution facility, which needed to be adjusted. To find a suitable hydraulic solution, a hydraulic physical model was created in the Laboratory of Water Management Research of the Institute of Hydraulic Engineering, Faculty of Civil Engineering, Brno University of Technology, where experimental tests were made.
Detailed record
Distribution of short circuit currents and voltages in unsymmetrical faults
 Kakrda, Michal ; Topolánek, David (referee) ; Haluzík, Evžen (advisor)
The objective of this bachelor thesis is to introduce the calculation of voltage and current ratios in asymmetrical short circuits. The first part of the thesis is focused on delineating the problem of short circuits in general. It describes the causes of short circuit arising, the types of short circuits and their processes. The next part of the thesis shows the ways of calculating particular types of short circuits, namely concentrating on the method of symmetrical components. The last part of the thesis is focused on the application of the discovered findings to calculate the ratios for the particular electric network. The calculation has been made for all the types of short circuits, both symmetrical and asymmetrical. The resulting ratios are recorded into the phasor diagrams for particular types of short circuits. The part of the calculation is also the recalculation of phase currents through a transformer.
Detailed record

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