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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
The calculation of the short circuits of the given network
 Bordovský, Lukáš ; Paar, Martin (referee) ; Toman, Petr (advisor)
The main aim of this Bachelor thesis is to introduce you a calculation of short-circuit rates in compliance with IEC 60909, and a subsequent calculation of a scheduled real network. The thesis itself is divided into two parts : a theory about the short-circuit problems and a simple model example are stated in the first part, in the second part is stated the calculation of the given real network for the case of an occurence of shunt faults at distribution points, namely a three-phase fault, a two-phase isolated fault, a double-phase-to-earth fault and a single phase fault. The work is coupled with a determination of current and voltage rates at points P and K. At the point P is situated distance protection relay and at the point K comes the shunt fault. The calculations are done with a method of successive simplification.
Detailed record
The calculation of the short circuits of the given network
 Bordovský, Lukáš ; Paar, Martin (referee) ; Toman, Petr (advisor)
The main aim of this Bachelor thesis is to introduce you a calculation of short-circuit rates in compliance with IEC 60909, and a subsequent calculation of a scheduled real network. The thesis itself is divided into two parts : a theory about the short-circuit problems and a simple model example are stated in the first part, in the second part is stated the calculation of the given real network for the case of an occurence of shunt faults at distribution points, namely a three-phase fault, a two-phase isolated fault, a double-phase-to-earth fault and a single phase fault. The work is coupled with a determination of current and voltage rates at points P and K. At the point P is situated distance protection relay and at the point K comes the shunt fault. The calculations are done with a method of successive simplification.
Detailed record

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