Desenvolvimento E Implementação De Um Aparelho Medidor De Flicker Por Medição Direta Da Variação Luminosa

Colnago, G. P.; Macedo, José Rubens; Vieira, José Luiz de Freitas

doi:10.18618/rep.2013.4.12351244

Eletrônica de Potência

2013

DOI: 10.18618/rep.2013.4.12351244

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Desenvolvimento E Implementação De Um Aparelho Medidor De Flicker Por Medição Direta Da Variação Luminosa

G. P. Colnago¹,

José Rubens Macedo²,

José Luiz de Freitas Vieira³

Abstract: Resumo -Este artigo apresenta o desenvolvimento de um novo medidor de flicker baseado na análise direta da variação instantânea do fluxo luminoso. A proposta do medidor é baseada no Flickermeter IEC modificado, o que permite medir o flicker produzido por flutuação de tensão em lâmpadas de tecnologias distintas. Isso o torna uma alternativa ao Flickermeter convencional, que não apresenta resultados válidos para ambientes iluminados com lâmpadas não-incandescentes. Um protótipo do equipamento foi desenvolvido e … Show more

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2014

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A Proposal for Flicker Evaluation

Junior¹,

Macedo²,

Delaiba³

2014

Eletrônica de Potência

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-The measured flicker levels by using the IEC standard 61000-4-15 often far exceed the established compatibility levels, even without the existence of consumer complaints. The poor measurement/complaint correlation due to the use of IEC flickermeter can be explained by two significant hypotheses. Firstly, modern lightning may be significantly less sensitive to voltage fluctuations than standard incandescent lamps upon which the entire IEC flickermeter concept is based. As a result, the luminous flux density (illuminance) variation from modern lamp bulbs is not well represented by the IEC flickermeter. Furthermore, the IEC standard 61000-4-15 is not able to detect flicker caused by high interharmonics components. In this connection, the flicker severity index measured by the IEC flickermeter to evaluate the flicker effect in modern lamp bulbs is controversial. Thus, would be the flicker planning levels and flicker requirements adequate to this scenario? This work presents a method to evaluate the flicker effect by taking into account the direct response of the illuminance variation. The test results have indicated a better correlation between measured flicker level and user complaint for all lamps tested in this study.

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A Proposal for Flicker Evaluation

Junior¹,

Macedo²,

Delaiba³

2014

Eletrônica de Potência

View full text Add to dashboard Cite

show abstract

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Desenvolvimento E Implementação De Um Aparelho Medidor De Flicker Por Medição Direta Da Variação Luminosa

Cited by 1 publication

References 29 publications

A Proposal for Flicker Evaluation

A Proposal for Flicker Evaluation

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