Energy Efficient Railway Lighting according to EN 12464-2 â€žLighting ...

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Determination of Maintenance Factor (I) MF = LLMF • LSF • LMF ( • SMF ) MF ........ Maintenance Factor LLMF .... Lamp Lumen Maintenance Factor LSF ....... Lamp Survival Factor LMF .......Luminaire Maintenance Factor SMF .......Surface Maintenance Factor A. Stockmar ILUMINAT 2009, Cluj-Napoca 16
Determination of Maintenance Factor (II) Influencing factors (positive) • Application of lamps with modest luminous flux depreciation (dependent on hours of operation) • Application of luminaires with modest tendency to accumulate dirt • (Application of electronic control gear) • (Few annual lamp operating hours) • Few switching cycles • Short cleaning and/or maintenance periods, spot and group replacement of lamps • Clean environment (airborne dirt) • Modest tendency to accumulate dirt and/or modest degradation of reflecting surfaces A. Stockmar ILUMINAT 2009, Cluj-Napoca 17
Page 1 and 2: Energy Efficient Railway Lighting a
Page 3 and 4: The current seven CIE Divisions (20
Page 5 and 6: Relevant CIE Publications for EN 12
Page 7 and 8: Lighting Design Criteria (EN 12464-
Page 9 and 10: Illuminances, EN 12464-2 (II) • T
Page 11 and 12: Uniformity and Diversity (EN 12464-
Page 13 and 14: Illuminance Grid Size (EN 12464-2)
Page 15: Maintained Illuminance - Maintenanc
Page 19 and 20: Colour Appearance and Colour Render
Page 21 and 22: CIE Glare Rating Method (II) Angle
Page 23 and 24: CIE Glare Rating Method (IV) Observ
Page 25 and 26: Limitation of Obtrusive Light (EN 1
Page 27 and 28: Limits of Obtrusive Light for Outdo
Page 29 and 30: CIE 150:2003 Methodology (II), Maxi
Page 31 and 32: Platform Lighting (Example II) Rosb
Page 33 and 34: Platform Lighting (Example IV) Kiel
Page 35 and 36: Lighting Requirements for Areas, Ta
Page 37 and 38: Railway Yard Lighting (Example I) M
Page 39 and 40: Railway Yard Lighting (Example III)
Page 41 and 42: Platform Lighting (Example IV) Cell
Page 43 and 44: Energy Efficiency (I) • The ratio
Page 45 and 46: Platform Lighting Design Table (EN
Page 47 and 48: Platform Lighting Design Table (EN
Page 49 and 50: Current and Future Practice (I) •
Page 51: Energy Efficient Railway Lighting a

Energy Efficient Railway Lighting according to EN 12464-2 â€žLighting ...

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