Resumo

PENA HUARINGA, Oscar J.. Studying and simulating transformer configuration to improve power quality. Ing. Investig. [online]. 2011, vol.31, suppl.2, pp.125-130. ISSN 0120-5609.

This paper presents a study and simulation of transformer configurations to improve power quality; it provides theoretical support based on the expansion of the Fourier series and analysis of symmetrical components. A test system was set up in the laboratory, taking measurements and checking configuration effectiveness in reducing the system's harmonic content. The configurations were modelled with PSCAD / EMTDC software, using two 6 pulse rectifiers as test loads and two variable speed drives.

Palavras-chave : harmonics; power quality; symmetrical components; converters; transformers.

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