Post on 31-Mar-2015
ILLUMINATION
Requirements of Good lighting
1)Illumination level
2)Absence of Glare
3)Contrast
4)Shadows
5)Colour rendering
EEE Dept./SJCET
Incandescent Lamps
EEE Dept./SJCET
Incandescent Lamps
EEE Dept./SJCET
Incandescent Lamps
EEE Dept./SJCET
Incandescent Lamps
EEE Dept./SJCET
Incandescent Lamps
Discharge Lamps
DISCHARGE LAMPS
When a suitable voltage is
applied between two
electrodes, an electric
discharge is produced
through the gas enclosed.
and this electric discharge
produces a visible radiation.EEE Dept./SJCET
DISCHARGE LAMPS
o BU.
1)Fluorescent Lamps
2)Mercury Vapour Lamp
EEE Dept./SJCET
Fluorescent Lamps
EEE Dept./SJCET
Fluorescent Lamps
EEE Dept./SJCET
Fluorescent Lamps
EEE Dept./SJCET
Fluorescent Lamps
EEE Dept./SJCET
Fluorescent Lamps
Choke
Starter
Supply C
s
EEE Dept./SJCET
Fluorescent Lamps
Mercury Vapour Lamps
EEE Dept./SJCET
Mercury Vapour Lamps
EEE Dept./SJCET
Mercury Vapour Lamps
EEE Dept./SJCET
Mercury Vapour Lamps
EEE Dept./SJCET
Mercury Vapour Lamps
Energy Efficient Lamps
Energy Efficient Lamps
o BU.
1) Compact Fluorescent Lamps
(CFL)
2)Light Emitting Diode (LED)
EEE Dept./SJCET
Compact Fluorescent Lamps
EEE Dept./SJCET
Compact Fluorescent Lamps
EEE Dept./SJCET
Compact Fluorescent Lamps
EEE Dept./SJCET
Compact Fluorescent Lamps
EEE Dept./SJCET
Compact Fluorescent Lamps
EEE Dept./SJCET
Compact Fluorescent Lamps
EEE Dept./SJCET
Compact Fluorescent Lamps
EEE Dept./SJCET
Compact Fluorescent Lamps
Light Emitting Diodes (LED)
EEE Dept./SJCET
Light Emitting Diodes (LED)
EEE Dept./SJCET
Light Emitting Diodes (LED)
EEE Dept./SJCET
Light Emitting Diodes (LED)
EEE Dept./SJCET
Light Emitting Diodes (LED)
EEE Dept./SJCET
Light Emitting Diodes (LED)
EEE Dept./SJCET
Light Emitting Diodes (LED)
EEE Dept./SJCET
Light Emitting Diodes (LED)
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