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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