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Electrical engineer training.Complete electrical design for projectsBy: Engfreelancer

Staff TrainingFacebook page : Engfreelancer By eng. Eman Mohamed

Your own footerPractical experience to work in consultation offices

Electrical Design for Buildings

And directed the project professionally

Overall goals of the sessions

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In the field of contractingElectrical engineerdoing a full electrical design for building Office ConsultantWork as site engineer Technical office EngineerContracting companyTechnical office EngineerSales engineersupplier123Facebook page : Engfreelancer By eng. Eman Mohamed Project RequirementsCable tray (wiring mangment )Electrical power circuits designLight current systems Fire alarm, sound, CCTV, Data, telephone, TV and nurse call system Lighting systemUPS systemHVAC power7654321Block riser8

SLD9BOQ (bill of quantity )10Spec, vender list 11Drawing list - finishing Facebook page : Engfreelancer By eng. Eman Mohamed You got a projectFacebook page : Engfreelancer By eng. Eman Mohamed

1st step Lighting design Facebook page : Engfreelancer By eng. Eman Mohamed

Design steps check Arc. Design- full design Electrical engineer proposal lighting design Architect engineer 12

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1st step : Determine the required lux in each room Get from :- standard - Dialux

Choose the Lamp type according to :1- application 2- Ra color rendering , room height3- Mounting Type , Light Distribution, Shape, Component , IP Calculate Number of Luminaires Required Distribution of Luminaires Design steps LUX Standard Number of luminaires Choose Lamp type,Luminears Facebook page : Engfreelancer By eng. Eman Mohamed

1st step : Determine the required lux in each room Get from :- standard - Dialux

1st stepLUX Standard Number of luminaires Cheek annex Egypt standardDialux contents Facebook page : Engfreelancer By eng. Eman Mohamed

Choose the Lamp type according to :1- application 2- Ra color rendering , room height3- Mounting Type , Light Distribution, Shape, Component , IP 2nd stepChoose Lamp type, Luminaire Facebook page : Engfreelancer By eng. Eman Mohamed

Definitions (/) : / color rendering (Ra): Ra = 100 % - - Ra 90- Ra 8089- Ra 7079- Ra 6069 : warm white 3000 ( ) 6000

840 8 Ra

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Choose lamp

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Lamp types Tungsten halogen lamp)321Incandescent lamp) - Fluorescent lampEfficiency : 13 lumen / WRa : 100Used: domestic lighting

Efficiency : 14-22 lumen / WRa : 100Used: decoration Efficiency : 58-99 lumen / WRa : 40-100Used: general lighting .(High pressure sodium lamp, HPS) - 654(Low pressure sodium lamp, SOX) - (High pressure mercury vapour lamp, HPM) - Efficiency : 100-200 lumen / WRa : 20Used: street lighting Efficiency : 95-150 lumen / WRa : 45Used: street lighting, commercial Efficiency : 55 lumen / WRa : 40Used: street lighting, industrial

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Lamp types 7.(Metal halide lamp, MH) - Efficiency : 80-120 lumen / WRa : 90-80Used: industrial indoor lighting

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Nots

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Lamp types lighting emitting diodes LED:- 100000 10000 . - .- . .** . (Fiber optics) . 1 2 6 0.5 20 120 .Facebook page : Engfreelancer By eng. Eman Mohamed

Choose lamp

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Choose Lamp type Facebook page : Engfreelancer By eng. Eman Mohamed

Luminaire types : ( ) Ballasts

Classification by Mounting Type CLASSIFICATION BY LIGHT DISTRIBUTION CLASSIFICATION BY SHAPE OR FORM CLASSIFICATION BY COMPONENT TYPE IP

Facebook page : Engfreelancer By eng. Eman Mohamed Luminaire types

Classification by Mounting Type

Facebook page : Engfreelancer By eng. Eman Mohamed Luminaire types Classification by Light Distribution

Facebook page : Engfreelancer By eng. Eman Mohamed Luminaire types Classification by Shape or Form

Facebook page : Engfreelancer By eng. Eman Mohamed Luminaire types

(parabolic louvers) glare . . . 2x 4, 2x 2, 1x 4. parabolic louvers ( prismatic batwing, linear batwing, and polarizing

batwing luminaire : .

Classification by Component Type

Facebook page : Engfreelancer By eng. Eman Mohamed Luminaire types IP IPXY X Y Max IP = 68

spark ( )Facebook page : Engfreelancer By eng. Eman Mohamed

Choose Luminaire types Facebook page : Engfreelancer By eng. Eman Mohamed

Luminears types Ballast 1- 2- .

power factor pf

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Luminaire types Thornhttp://www.thornlighting.co.uk/gb/en/index.htm

Philipshttp://www.lighting.philips.com/main/

http://www.saudilighting.com/index.asp

3 brothershttp://3-brothers.com/

wever & Ducrehttp://www.wever-ducre.com/

Osramhttp://www.osram.com/osram_com/index.html

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Nots . 3 :

2 4 18 : 236

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Calculate Number of Luminaires Required Distribution of Luminaires Design steps Number of luminaires Facebook page : Engfreelancer By eng. Eman Mohamed

:

: N : E: LuxA: F : ( )Total Flux (Lumens) from all the Lamps in one FittingUF : Utilisation Factor from the Table for the Fitting to be UsedLIF : Light Loss Factor. This takes account of the depreciation over time of lamp output and dirt accumulation on the fitting and walls of the building.Number of luminaires

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Number of luminaires

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: DIAlux :

Eav LUX U0 Emin/Eav: 1 0.5 E av Number of luminaires Facebook page : Engfreelancer By eng. Eman Mohamed

DIAlux Number of luminaires

11 12 / 1.5Facebook page : Engfreelancer By eng. Eman Mohamed

THANK YOU!Your LogoFacebook page : Engfreelancer By eng. Eman Mohamed