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Negative-Phase-Sequence Protection of Generator
Babík, Peter ; Novotný, Jan (referee) ; Orságová, Jaroslava (advisor)
This bachelor thesis deals with the effect of unbalanced load on a generator and principles of its protection. At first the characterization of operating failures and generator's abnormalities are described. Further the analysis of unbalance in electric system and its effect on the generator is presented, especially the effect of negative phase sequence on the armature. The end of the theoretical section deals with the principles of unbalanced load protection. In the practical part the punctual characterization of used apparatus is presented, namely the machine terminal REM 543 and a tester Omicron CMC 353. Furthermore the individual settings of each apparatus are discussed along with the testing of chosen negative phase sequence protection.
Negative-Phase-Sequence Protection of Generator
Babík, Peter ; Novotný, Jan (referee) ; Orságová, Jaroslava (advisor)
This bachelor thesis deals with the effect of unbalanced load on a generator and principles of its protection. At first the characterization of operating failures and generator's abnormalities are described. Further the analysis of unbalance in electric system and its effect on the generator is presented, especially the effect of negative phase sequence on the armature. The end of the theoretical section deals with the principles of unbalanced load protection. In the practical part the punctual characterization of used apparatus is presented, namely the machine terminal REM 543 and a tester Omicron CMC 353. Furthermore the individual settings of each apparatus are discussed along with the testing of chosen negative phase sequence protection.

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4 Bábík, Pavel
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