LED retrofits and their role in transient to the more energy efficient home lighting

Raditschova, Jana; Gasparovsky, Dionyz

doi:10.1109/lumenv.2016.7745558

Cited by 4 publications

(2 citation statements)

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“…This fact should be combined with a specific, photometric body, which is already far away from the regular light distribution. Comparability of luminous flux values, installation adequacy and size similarity are not enough to fully accept this source as a full replacement for a traditional bulb [5,6]. The following considerations aim to show the aesthetic and photometric implications of the use of this innovative light source in diffuser shades.…”

Section: Introductionmentioning

confidence: 99%

Visual and photometric consequences of using semi-spherical LEDs in diffuser shades

Żagan

Krupiński

2019

ELECTROTECHNICAL REVIEW

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The article presents and analyzes the observed phenomenon of optical deformation of a cylindrical dispersing diffuser as the effect of a classical replacement a light source by LED retrofit. A cylindrical diffuser equipped with such a light source presents a luminance distribution that significantly deviates from the actual view of the unshielded lampshade. This is a feature which disqualifies such an application of these sources for aesthetic reasons, the more so because the accompanying effect is also a noticeable deformation of the cylindrical shape. In the article, apart from the analysis of the phenomenon, the equation of the diffuser profile was presented, which using the discussed type of LED source could realize an even distribution of luminance on the surface. Streszczenie. Artykuł przedstawia i analizuje zaobserwowane zjawisko deformacji optycznej klosza cylindrycznego, rozpraszającego jako efektu zastąpienia klasycznego, źródła światła przez retrofit LED. Cylindryczny klosz rozpraszający wyposażony w takie źródło światła prezentuje rozkład luminancji, który znacząco odbiega od rzeczywistego widoku niezaświeconego klosza. Jest to cecha dyskwalifikująca taką aplikację tych źródeł z powodów estetycznych, tym bardziej, że efektem towarzyszącym jest również zauważalna deformacja kształtu cylindrycznego. W artykule, poza analizą zjawiska przedstawiono równanie profilu klosza, który przy zastosowaniu omawianego rodzaju źródła LED realizował by równomierny rozkład luminancji na powierzchni (Konsekwencje wizualne i fotometryczne stosowania półsferycznych ledówek w kloszach rozpraszających).

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Section: Introductionmentioning

confidence: 99%

Visual and photometric consequences of using semi-spherical LEDs in diffuser shades

Żagan

Krupiński

2019

ELECTROTECHNICAL REVIEW

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“…Enkandesan lamba kullanılan bir armatüre LED ve kompakt floresan lamba (CFL) retrofitlerinin uygulanması ile elde edilen sonuçlar Raditschova ve Gasparovsky tarafından incelenmiştir (Raditschova ve Gasparovsky, 2016). Elde edilen sonuçlara göre LED retrofitin başarılı olduğu, CFL retrofitin ise istenen aydınlatma performansını yakalayamadığı tespit edilmiştir.…”

Section: Introductionunclassified

Türkiye’deki Pasif Kızılötesi Sensörlü Aydınlatma Armatürlerinin Işıksal ve Elektriksel Performanslarının Değerlendirilmesi

Olgun¹,

Nakir²

2019

European Journal of Science and Technology

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Öz Pasif infrared (PIR) sensörlü armatürler PIR sensör ve armatürün kombine şeklidir. Genellikle ülkemizde, küçük ölçekli projelerin merdiven boşluğu ve antre gibi yerlerinde kullanılmaktadırlar. Bu sensörler, insanlar bu mahallere girince aydınlatmanın devreye girmesi ve insanlar mahalden ayrıldıktan sonra aydınlatmanın kapatılması amacıyla kullanılırlar. E27 duylu ve LED çipli olmak üzere iki farklı armatür tipi mevcuttur. Bu çalışmada, her iki tipteki PIR sensörlü armatürlerin detaylı ışıksal ve elektriksel analizleri yapılmıştır. E27 duylu armatür analizlerinde halojen ve LED lamba olmak üzere farklı ışık kaynağı kullanılmıştır. Ayrıca, kullanılan ışık kaynaklarının da detaylı analizleri yapılmıştır. Elde edilen bulgular çerçevesinde armatürlerin ekonomik analizleri değerlendirilmiş ve sonuç olarak en efektif armatür ve armatür/ışık kaynağı konfigürasyonu belirlenmiştir.

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The design and the development of a low-cost luminaire in order to achieve the best light-technology parameters (Ra ≫ 80) and a life-time period

Hrbáč

Hanusek

Novák

et al. 2017

2017 18th International Scientific Conference on Electric Power Engineering (EPE)

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LED retrofits and their role in transient to the more energy efficient home lighting

Cited by 4 publications

References 0 publications

Visual and photometric consequences of using semi-spherical LEDs in diffuser shades

Visual and photometric consequences of using semi-spherical LEDs in diffuser shades

Türkiye’deki Pasif Kızılötesi Sensörlü Aydınlatma Armatürlerinin Işıksal ve Elektriksel Performanslarının Değerlendirilmesi

The design and the development of a low-cost luminaire in order to achieve the best light-technology parameters (Ra ≫ 80) and a life-time period

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