This presentation gives a brief intro about 2 new lighting technologies - LED and Induction. It gives a comparison between these technologies and suggested application.

1. SCoop
ENERGY SOLUTIONS
Presented by
Vishwajeet Rajwaday
Energy Efficient Lighting
a brief on emerging technologies

2. SCoop
ENERGY SOLUTIONS
2 Important Emerging
Technologies
© SCoop Energy Solutions 2012 2
• We see 2 important Emerging Technologies in Lighting
• Induction Lighting
• LED Lighting
• While neither of the 2 technologies are really “New” they are very relevant in today’s
world.
• This presentation tries to understand both the technologies better.
• Like with any technology, the importance lies in “Application”. Each new technology will be
strong in a specific application
• This presentation attempts to find the MOST suited applications of these new
technologies.

3. SCoop
ENERGY SOLUTIONS
PART 1: INDUCTION LIGHTING
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4. SCoop
ENERGY SOLUTIONSA Brief History
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• Induction Lighting was first introduced to the world in
the Nikola Tesla Experiment in 1891
• First Commercial Induction Lamp introduced by
General Electric in 1967
• Other companies like Philips (1992) and Osram (1996)
followed
• Lamp did not gain popularity at the time due to high
production costs and decision of the BIG lamp
companies not to support development when Electrical
Power was Cheap and Abundant
• Induction Lamp becomes relevant today due to rising
electricity costs, and power shortage. Nicola Tesla
Image Courtesy Wikipedia

5. SCoop
ENERGY SOLUTIONSWorking Principle
1. Magnetic induction lamps are essentially
fluorescent lamps with electromagnets
wrapped around a section of the lamp tube.
2. A High frequency current, when
passed through the wire coil on ferrite
rings as shown Induces a magnetic
field in the Lamp Tube.
3. An Inert Gas inside the lamp is
excited by the magnetic field & turns
into plasma.
4. When excited particles of plasma
return to the ground state, they
radiate UV light, which is converted
into visible light by phosphor coating
on inner glass surface same way as
in fluorescent lamps.

6. SCoop
ENERGY SOLUTIONSKey Features
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• Low Lumen Decay
• Environment Friendly – Lowest use of Mercury and easy extraction of Mercury
• Low Glare
The Large Light Emitting Surface of Induction
Lamps causes very little Glare even while viewing
with the naked Eye

7. SCoop
ENERGY SOLUTIONS
Lamp type Amount of
Hg
Usage per
20 K hr
Conventional 12 – 20 mg 15-30 mg
Induction 10-12 mg 1.3 mg
Solid mercury
amalgam ball
Lowest mercury contamination
• Solid Amalgam Mercury Used – Easy and Safe during
Disposal after End of Life
• Lowest Amount of Mercury used on Usage per 20,000
hours basis (Highest Life of Conventional Lamps)

8. SCoop
ENERGY SOLUTIONSVery Low Lumen decay
8
Induction Lamp :
Very Stable light
Conventional Lamp :
Faster Light decay in the
initial period
• Conventional Lamps:
• Light Output Drops almost by 20-25% in first 2000~4000 hrs (@ 6-8 Month)
• Induction Lamps:
• Light output remains STABLE (<10%) over 80,000-90,000 hrs ( >10yrs)

9. SCoop
ENERGY SOLUTIONSKey Benefits of Induction
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• Efficiency:
• Can deliver an amazing 85-90 Lumens per
watt
• Light Quality:
• Large Luminous surface allows for glare-free,
soft and pleasing light quality with high CRI >
80
• Low Maintenance
• No Filaments – Expected life of 80,000 plus
hours

10. SCoop
ENERGY SOLUTIONSApplication Areas
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• Due to Low Glare
• AREA lighting – Factories, Warehouses,
factory premises, storage yards etc
• Not suitable for Directional lighting like
spot lighting or focus lighting
• Due to Low Maintenance
• Ideal for installation at higher Heights
(Highbay Lighting)
• Due to Low Impact of Ambient Heat
• Induction Lamps react less to Ambient
temperatures, making them ideal for use in
Shopfloor areas where ambient
temperatures tend to get quite high

11. SCoop
ENERGY SOLUTIONSStrengths and Weaknesses
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• Strengths:
• Environment friendly: Very Low Mercury consumption and Very high Energy
Efficiency.
• Light Quality: High CRI and Low glare makes it ideal for long working hours use causing
minimum strain to the EYES, leading to Higher Employee Productivity
• Low Maintenance: Electrodeless Technology leads to very low maintenance and hence
Lower Production Stoppages.
• Weaknesses
• Difficult for Optical Control: Large profile of Induction Lamp makes it less suitable
for accurate optical control. Hence,
• Not suitable for Directional Lighting like Spot Lighting or office lighting etc.
• Best suited for Highbay applications and Area / Floodlighting applications,
where quality of light and glarefree work environment are important.

12. SCoop
ENERGY SOLUTIONSsummary
© SCoop Energy Solutions 2012 12
• Induction Lighting serves as an excellent light source for
• Area Lighting
• Energy Efficiency
• Glarefree Light for High productivity environments.
• Low Maintenance
• Low on Environmental Pollution

13. SCoop
ENERGY SOLUTIONSSome installations
Brand Symbols Used for Representative Purposes only

14. SCoop
ENERGY SOLUTIONS
PART 2 – LED LIGHTING
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15. SCoop
ENERGY SOLUTIONSA Brief History
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• Russian Oleg Vladimirovich Losev reported the
creation of the first LED in 1927.
• An American Team working for Texas
Instruments first applied for the patent of the
Infrared LED in 1961
• Shuji Nakamura demonstrated the first high
brightness BLUE LED in 1994 and started the
development of Current Generation of High
Brightness LEDs
Oleg Vladimirovich Losev
Pic Courtesy - Wikipedia

16. SCoop
ENERGY SOLUTIONS
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• High Energy Efficiency: Can Deliver System Efficiency > 85 Lm/Watt
• Small Profile
• Availability in various colours
• Small Light emitting surface – Precise optical Control
• Heat Management at Junctions is tricky
Key Features

17. SCoop
ENERGY SOLUTIONSKey Benefits
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• Energy Conservation
• 100 plus Lumens per watt at source
• Great Optical Control
• Well suited for directional lighting like Spots,
Tracks, façade lighting etc.
• Office lighting at lower ceiling heights
• High Efficiency street lighting with precise optical
control
• Small Footprint
• Allows creation of small profile lighting fixtures
• Creates great opportunity for innovative lighting
solutions
• Availability of Colours : Makes it possible for colour
Changing, colour lighting etc.

18. SCoop
ENERGY SOLUTIONS
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Application Areas
• Retail: Spot Lighting, Focus Lighting
• Colour and Colour Changing: Restaurants, Pubs, Entertainment
• Precision Streetlighting
• Office Lighting with Diffusers

19. SCoop
ENERGY SOLUTIONS
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• Strengths:
• High Energy Efficiency
• Small Profile – Makes Optical Control Easy – Very suitable in spotlighting and Precision
Streetlighting
• Colours and Colour Temperatures – Makes it very suitable for Retail, Entertainment
Lighting etc.
• Weaknesses:
• Management of LED junction temperature within specified limits is tricky, particularly in
high ambient temperatures.
• As with all electronics, Dust significantly deteriorates Life, making it unsuitable for Factory
Shopfloors, etc, unless used in IP 65, which complicates heat management.
• High Glare – NOT recommended for use if LED source is directly visible for sustained time
periods
Strengths and Weaknesses

20. SCoop
ENERGY SOLUTIONS
© SCoop Energy Solutions 2012 20
• LED Lighting is great for precision lighting like Retail, Streetlighting, Hotel and Home
Accent Lighting etc.
• Small Profile also makes it suitable for office lighting when used with diffusers (which
reduce efficiency slightly)
• Availability of colours makes it suited for entertainment applications
• Heat Management is tricky. LEDs are safe to use in Airconditioned Environments and in
outdoor in night-time where ambient temperatures are low.
Summary

21. SCoop
ENERGY SOLUTIONS
PART 3: COMPARISON
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22. SCoop
ENERGY SOLUTIONSLED v/s Induction
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Parameter LED Induction
Efficiency 100 Lumen / Watt 90 Lumen / Watt
Optical Control Very Good Low
Expected Life (L70) 40,000 80,000
Glare High Very Low
Best Ambient Temp Air Conditioned Any Ambient
Maintenance Low Very Low
Best in Wattage 1 to 100W 100 to 400W
Luminaire Size Small Large
Most Suitable Applications Retail, Spot Lighting,
Streetlighting, Office Lighting
with Diffusers, any focus
lighting
Factory Highbay, Flood
Lighting, Tunnel Lighting,
Warehouses, Area Lighting

23. SCoop
ENERGY SOLUTIONSSummary
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• Quality of Light
• Induction: Low Glare, pleasing environment, high productivity in extended work hours and
high visual tasks
• LED: Precise optical control. Great for directional lighting. For Area Lighting, requires
Diffusers which reduce efficiency
• Life:
• Induction: > 80,000 hours
• LED: > 40,000 hours
• Areas of USE:
• Induction: Industrial Highbays, Area Flood Lighting and Internal roads for safety, High
mounting heights
• LED: Shops and Malls, Hotel Rooms, Homes, Offices, Streetlighting etc, small luminaire
profile, lower heights.

24. SCoop
ENERGY SOLUTIONS
© SCoop Energy Solutions 2012 24
• We observe that while both Induction and LED are equally competent in Energy
Conservation and Energy Efficiency, their strengths are specialised.
• Most modern and energy efficient installations will make a good use of a combination of
these technologies.
• Working to each technology’s strengths will lead to sustainable and high quality
installations
• Both technologies are here to stay and gaining popularity rapidly.
• We would be pleased to get an opportunity for more in-depth discussions about both
technologies for your installations
Conclusions
Thank You