Revista Eletrônica de Potência (Brazilian Journal of Power Electronics)

Palavras Chaves: lâmpada de vapor de sódio, reator eletrônico, ressonâncias acústica

Resumo

O objetivo deste artigo é apresentar aspectos relevantes para projeto e desenvolvimento de reatores eletrônicos que operem lâmpadas de vapor de sódio de alta pressão em alta freqüência, sem excitar o fenômeno da ressonância acústica. Apresentar-se-á um breve estudo a respeito da lâmpada e dos principais meios de excitação do fenômeno. Segue-se uma discussão sobre circuitos de ignição e circuitos inversores.

Title: High-pressure Sodium Lamps Electronic Ballasts

Keywords: acoustic resonance, electronic ballast, highpressure sodium lamp

Abstract

The objective of this paper is shown relevant aspects about electronic ballasts for high-pressure sodium lamps design procedure eliminating acoustic resonance excitation. A study about lamp and acoustic resonance phenomenon is presented. Electronic circuits able to ignite and supply a suitable current to the lamp are presented.

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