Lightscene 2017: Specifying LED luminaires: Things We All Know, Don't We?
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Transcript of Lightscene 2017: Specifying LED luminaires: Things We All Know, Don't We?
ASD LIGHTING: DESIGNED, DEVELOPED & MANUFACTURED IN THE UK
Designed, Developed & Manufactured in the UK
Specifying LED LuminairesThings We All Know
Don’t We?Nathan FrenchStreet Lighting Sales ManagerOctober 5th, 2017
ASD LIGHTING: DESIGNED, DEVELOPED & MANUFACTURED IN THE UK
Designed, Developed & Manufactured in the UK
TOPICS OF DISCUSSION
Capital Replacement Programs - What Are
They About?
Its Just An LED - & They Are All The Same?
Absolute Photometry - What & Why?
Luminaire Specification Features - The Role
They Play?
Correlated Colour Temperature - A Personal
Take?
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ASD LIGHTING: DESIGNED, DEVELOPED & MANUFACTURED IN THE UK
Designed, Developed & Manufactured in the UK
CAPITAL REPLACEMENT PROGRAMS
What Are They About - Any Suggestions?
REDUCING CARBON EMISSIONS
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ASD LIGHTING: DESIGNED, DEVELOPED & MANUFACTURED IN THE UK
Designed, Developed & Manufactured in the UK
CAPITAL REPLACEMENT PROGRAMS
What Is Set Out In Law
• The Climate Change Act 2008
• Delivering Our Low Carbon Future 2011
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ASD LIGHTING: DESIGNED, DEVELOPED & MANUFACTURED IN THE UK
Designed, Developed & Manufactured in the UK
CAPITAL REPLACEMENT PROGRAMS
What Are They All About - Any Suggestions?
Really
5
ASD LIGHTING: DESIGNED, DEVELOPED & MANUFACTURED IN THE UK
Designed, Developed & Manufactured in the UK
THE GOOD NEWS
• We Have Lighting Standards To Support Us
In Law
• Authorities Have A Legal Requirement To
Provide Street Lighting
• They Do Have A General Duty Of Care To
Road Users & The General Public To Ensure
Their Safety6
ASD LIGHTING: DESIGNED, DEVELOPED & MANUFACTURED IN THE UK
Designed, Developed & Manufactured in the UK
LETS DO A BASIC SCHEME
A Typical Highways / Street Scheme Criteria
Hours Per Annum
Year Costing Period
Total Scheme Hours
Total Circuit Watts
Price Per kWh
4000
25
100,000
1
£0.10
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ASD LIGHTING: DESIGNED, DEVELOPED & MANUFACTURED IN THE UK
Designed, Developed & Manufactured in the UK
LETS DO A BASIC SCHEME
1st Year
kWh
Energy Cost
4
£0.40
8
ASD LIGHTING: DESIGNED, DEVELOPED & MANUFACTURED IN THE UK
Designed, Developed & Manufactured in the UK
LETS DO A BASIC SCHEME
25 Years
kWh (4 p-a)
Energy Cost (£0.40 p-a)
100
£10.00
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ASD LIGHTING: DESIGNED, DEVELOPED & MANUFACTURED IN THE UK
Designed, Developed & Manufactured in the UK
LETS DO A BASIC SCHEME
What About Inflation Over 25 Years
0% Inflation (On £10.00 base level)
3% Inflation Per Annum
10
£10.00
£20.00
ASD LIGHTING: DESIGNED, DEVELOPED & MANUFACTURED IN THE UK
Designed, Developed & Manufactured in the UK
IF ONLY LIFE WAS SO SIMPLE
But… Its Not Just 1 Luminaire
Approx. 8,000,000 Of Street Lights In The
UK
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ASD LIGHTING: DESIGNED, DEVELOPED & MANUFACTURED IN THE UK
Designed, Developed & Manufactured in the UK
IF ONLY LIFE WAS SO SIMPLE
8,000,000 Luminaires Saving 1watt
0% Inflation (On £10.00 base level)
3% Inflation Per Annum
£80,000,000
£160,000,000
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ASD LIGHTING: DESIGNED, DEVELOPED & MANUFACTURED IN THE UK
Designed, Developed & Manufactured in the UK
THAT’S STILL NOT THE WHOLE STORY
What Is An Average UK Installation
70w Son-T (*Estimated)
LED Saving On HID
Actual Saved Watts
50%
45
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* Estimated Refers to Nathan French Completely Making Up The Data
ASD LIGHTING: DESIGNED, DEVELOPED & MANUFACTURED IN THE UK
Designed, Developed & Manufactured in the UK
OH WHERE IS MY CALCULATOR
8,000,000 Luminaires, Giving A 45w Saving
0% Inflation (1w = £80,000,000)
3% Inflation Per Annum
£3,600,000,000
£7,200,000,000
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ASD LIGHTING: DESIGNED, DEVELOPED & MANUFACTURED IN THE UK
Designed, Developed & Manufactured in the UK
ITS JUST AN LED
Are They All The Same?
Simple Answer Is No
Do Manufacturers Treat Them The Same?
Simple Answer Is No
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ASD LIGHTING: DESIGNED, DEVELOPED & MANUFACTURED IN THE UK
Designed, Developed & Manufactured in the UK
ITS JUST AN LED
Factors Than Have A Detrimental Effect On
Their Life
Ambient Temperatures
Thermal Temperatures
Environmental Conditions
Electrostatic Discharge
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ASD LIGHTING: DESIGNED, DEVELOPED & MANUFACTURED IN THE UK
Designed, Developed & Manufactured in the UK
ITS JUST AN LED
Thermal Management
Fins
Ribs
Air Gaps
Heat Sink
PCB Material
Thermal Pads / Paste
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ASD LIGHTING: DESIGNED, DEVELOPED & MANUFACTURED IN THE UK
Designed, Developed & Manufactured in the UK
ABSOLUTE PHOTOMETRY
What Is It?
Measures Precisely The Lumens Emitted By
A Specific Luminaire.
Every Combination Of:
LED Quantity
Optical Lens
Drive Current
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ASD LIGHTING: DESIGNED, DEVELOPED & MANUFACTURED IN THE UK
Designed, Developed & Manufactured in the UK
ABSOLUTE PHOTOMETRY
Highway Diamond
HWD-#4LED4435-S0 5.49
HWD-#4LED4435-S1 5.55
HWD-#4LED4435-S2 5.74 >130 Lumens
Per LED
HWD-#4LED4435-S3 5.36 <122 Lumens
Per LED
HWD-#4LED4435-S4 5.54
HWD-#4LED4435-S5 5.62
HWD-#4LED4435-S6 5.46
HWD-#4LED4435-S7 5.4719
ASD LIGHTING: DESIGNED, DEVELOPED & MANUFACTURED IN THE UK
Designed, Developed & Manufactured in the UK20
ABSOLUTE PHOTOMETRY?
A N Other Manufacturer
Lens 1, @ 531 5.00
Lens 2, @ 531 5.00
Lens 3, @ 531 5.00
Lens 4, @ 531 5.00
Lens 5, @ 531 5.00
Lens 6, @ 531 5.00
Lens 7, @ 531 5.00
ASD LIGHTING: DESIGNED, DEVELOPED & MANUFACTURED IN THE UK
Designed, Developed & Manufactured in the UK20
ABSOLUTE PHOTOMETRY?
A N Other Manufacturer
ASD LIGHTING: DESIGNED, DEVELOPED & MANUFACTURED IN THE UK
Designed, Developed & Manufactured in the UK20
ABSOLUTE PHOTOMETRY?
A N Other Different Manufacturer
ASD LIGHTING: DESIGNED, DEVELOPED & MANUFACTURED IN THE UK
Designed, Developed & Manufactured in the UK
SYSTEM LUMENS PER WATT?
Which Product Would You Choose?
> 130 Lumens Per Watt
< 95 Lumens Per Watt
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ASD LIGHTING: DESIGNED, DEVELOPED & MANUFACTURED IN THE UK
Designed, Developed & Manufactured in the UK
WARRANTIES
Do You Read Them?
21
ASD LIGHTING: DESIGNED, DEVELOPED & MANUFACTURED IN THE UK
Designed, Developed & Manufactured in the UK
LUMINAIRE SPECIFICATION
System Optical Losses – HID Versus LED
Over 20% Lamp Lumens Lost
Lamp Lumen Depreciation
Optical Reflector Losses
Diffuser Losses
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ASD LIGHTING: DESIGNED, DEVELOPED & MANUFACTURED IN THE UK
Designed, Developed & Manufactured in the UK
LUMINAIRE SPECIFICATION
System Optical Losses
Direct Source
LED Lumen Depreciation
Optical Lens Losses
Diffuser Losses (Glass / Polycarbonate)
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ASD LIGHTING: DESIGNED, DEVELOPED & MANUFACTURED IN THE UK
Designed, Developed & Manufactured in the UK
LUMINAIRE SPECIFICATION
LED – Life (Moisture, Heat, ESD)
Driver Enclosure / LED Compartment
Maintenance Procedures
Access To Compartments
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ASD LIGHTING: DESIGNED, DEVELOPED & MANUFACTURED IN THE UK
Designed, Developed & Manufactured in the UK
LUMINAIRE SPECIFICATION
What Should Be Considered & Does It Matter
Aesthetics
High / Low Specification
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ASD LIGHTING: DESIGNED, DEVELOPED & MANUFACTURED IN THE UK
Designed, Developed & Manufactured in the UK
LUMINAIRE SPECIFICATION
What Should Be Considered & Does It Matter
Who Makes It & Where
Company Net Worth
Continuity Of Supply
After Brexit
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ASD LIGHTING: DESIGNED, DEVELOPED & MANUFACTURED IN THE UK
Designed, Developed & Manufactured in the UK
CORRELATED COLOUR TEMPERATURE
CCT– A Personal Take
Perception
What Do You Specify?
How Do You Know?
What Could You Ask For?
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