Naslov
Unsymmetrical load of a three-phase synchronous generator

Autori
Maljković, Zlatko ; Žarko, Damir ; Stipetić, Stjepan

Izvornik
Przegląd elektrotechniczny (0033-2097) 2013 (2013), 2b; 68-71

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
synchronous generator ; unsymmetrical load ; damper bar ; transformer testing

Sažetak
The selection of a three phase synchronous generator most suitable to be used as a power supply for testing of single-phase and threephase power transformers is described in the paper. The emphasis is on the analysis of the armature winding connection and sizing of the damper winding due to unsymmetrical load of a generator in the temperature rise test of single-phase transformers realized by the short-circuit method. The generator’s output voltage waveforms in the case of unskewed and skewed stator slots are analyzed. The results indicate that delta connected generator with skewed stator slots is the best solution.

Izvorni jezik
Engleski

Znanstvena područja
Elektrotehnika

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