SA Guide to Users for LED Luminaires and LED Tube

Lamps Robert Henderson

Pr Eng FIESSA

Contents

The presentation will look at standards Go onto what IEC 34 are working onList some SANS publicationsSetting urgent needs Suggesting a way forward and for these

needsElectrical and photometric data required

Standards – why?Standardization, is there need for standards? The

introduction of LEDs into the lighting market has and is making manufacturers and users rethink their lighting needs, test methods and the application of their existing equipment. The rethinking is helped along its way due to the world-wide energy shortage and in particular here in South Africa.

The goals of standardization can be to help with independence of single suppliers (commoditization), compatibility, interoperability, safety, repeatability or quality.

Standards ensure desirable characteristics of products and services such as quality, environmental friendliness, safety, reliability, efficiency and interchangeability and at an economical cost.

Standards - typesStandards for products are broadly divided into two categories

namely that of Safety and Performance.Safety - Safety standards deal with the requirements that will ensure

that the products are safe and will not cause harm to the user or the user’s building when used as recommended. Safety standards offer the tests and test methods to verify that the products are compliant. These safety standards may cover a wide range of products.

Performance - Performance standards deal with the way that the product performs under a test situation. However as quote from Wikipedia, “The existence of a published standard does not necessarily imply that it is useful or correct. Just because an item is stamped with a standard number does not, by itself, indicate that the item is fit for any particular use. The people who use the item or service (engineers, trade unions, etc.) or specify it (building codes, government, industry, etc.) have the responsibility to consider the available standards, specify the correct one, enforce compliance, and use the item correctly. Validation of suitability is necessary.”

LED Standard TerminologyThe IEC has published some Standards and two Public Available Specifications (PAS). The need for the PAS documents is because these have not been accepted as full Standards but have information that is very useful. These documents suggest that the following quality criteria should be considered when evaluating LED manufacturer’s claims:

a) Rated input powerb) Rated luminous fluxc) LED luminaire efficacyd) Luminous intensity distributione) Photometric code or the values of the next four measurementsf) Correlated Colour Temperature (CCT)g) Rated Colour Rendering Index (CRI)h) Rated chromaticity co-ordinate values both initial and maintainedi) Lumen maintenance codej) Rated life (in h) of the LED module and the associated rated lumen maintenance (Lx)k) Failure fraction (Fy), corresponding to the rated life of the LED module in the luminairel) Ambient temperature (tq) for a luminaire

TC 34 Working Group – March 2012

MEETING OUTCOME/INFORMATION TC 34 Working Group Meeting Auckland - New Zealand, March 26-30, 2012

2. Standards Under Development/Review/Revision

a. Self-ballasted Lamps - IEC 60968 Safety Performance (edition 1) - IEC 60969 Performance (edition 1)

IEC 34 WG continuedb. LED Modules and Lamps - IEC62031 LED Modules for General Lighting - Safety - IEC 62560 Self-ballasted LED Lamps for General Lighting Services

>50V, Safety Specification - IEC 62612 Self-ballasted LED Lamps for General Lighting Services

>50V, Performance Requirement (edition 1) - IEC 62663-1 Non-ballasted LED Lamps – Safety (edition 1) - IEC 62663-2 Non-ballasted LED Lamps – Performance (edition 1) - IEC TS 62504 Definitions for LED and LED Modules (Edition 2) - IEC 62707-1 LED Binning Part 1: General Requirements (Edition 1) - IEC 62707-2 LED Binning Part 2: Luminous Flux (Edition 1) - IEC 62707-3 LED Binning Part 3: Forward Voltage (Edition 1) - IEC 62717 LED Modules for General Lighting – Performance (Edition

1)

- IEC 62776 Double-capped LED Lamps for General Lighting Services, Safety (Edition 1) WG Draft

IEC 34 continued

3. New Work Items

- CCFL Performance - CCFL Safety

- EEFL Performance - EEFL Safety - TR Method of Translating Binning Structure to 62707-

1 - Self-ballasted LED Lamps for GLS, > 50V AC rms or <

120V dc – Safety - LED Lifetime Prediction - OLED Panels for General Lighting – Safety - OLED Panes for General Lighting – Performance - Performance of LED Components

IEC 34 continued SC34C Standards Work Overview

1. Standards Under Development/Review/Revision

- IEC 61347-2-8 Control Gear for LED Modules - Safety - IEC 62384 Control Gear for LED Modules - Performance - IEC XXXXX Draft LED Performance Luminaire PAS - IEC 61347-2-XX Control Gear for Induction Lamps Safety

2. New Project

- IEC 62442-1 Energy Performance of Lamp Control Gear Part 1: Control Gear for Fluorescent Lamps – Method of measurement to determine

energy consumption of ballast-lamp circuits and efficiency of Control Gear - IEC 62442-2 Energy Performance of Lamp Control Gear for HID Lamps (excluding

Fluorescent lamps) – Method of measurement to determine the efficiency of the Control Gear

- IEC 62442-3 Control Gear for LED Modules and Low Voltage Halogen Lamps – Method of measurements to determine efficiency of the central gear

IEC continued end SC34D Standards Work Overview

1. Standards Under Development/Review/Revision

- IEC 60598-2-20 Lighting Chains (includes LED) - IEC 60598-2-21 Sealed Lighting Chains (Rope Lighting) (includes LED) - IEC 62722-2-1 PAS: LED Luminaire Performance

IV. LED Terms and Definitions Comments and Proposals by National Committees on the Committee Draft of

this Technical Specification under document 34/160/DC was reviewed but was not completed due to lack of time. Review of comments/proposal will continue next meeting.

Acknowledgement and thanks to : Roberto C. Cristobal; Philippines; April 12, 2012

SANS PUBLISHED STANDARDSStandard number Description

SANS 62031 :2008 / IEC 62031:2008 LED modules for general lighting – Safety specifications

SANS 62384 :2008 / IEC 62384:2008 DC or AC supplied electronic control gear for LED modules – Performance requirements

SANS LED Standards

Standard number Description

IEC/PAS 62717 Edition 1 Public Available Specification

Performance requirements – LED Modules for general lighting

IEC/PAS 62722-2-1 Public Available Specification

Performance requirements – LED Luminaires for general lighting

SANS available Standards

Standard number DescriptionSANS 60598-1:2009 Edition 5 and Nat. amdt 1 / IEC 60598-1:2008 Edition 7 

Luminaires - Part 1: General requirements and tests.This SANS document, by reference, forms part of the Compulsory specification for electrical and electronic apparatus, as published by Government Notice No. R. 89 (Government Gazette 31844) of 6 February 2009.

SANS compulsory Standards

LED Standards required 1. LED replacements for 50 mm diameter Quartz

Halogen lamps – Dichroic lamps

2. LED floodlights lamps – replacement for PAR 38 120W

3. LED floodlights lamps – replacement 300W 500W 1000W linear quartz halogen lamps

4. LED linear lamps – replacement for 600mm, 1200mm, 1500mm tubular fluorescent lamps

5. LED luminaires for above, and

6. High bay luminaires

7. Street lanterns

LED replacements for 50 mm diameter Quartz Halogen lamps – Dichroic lamps

Eskom Standard used in the Residential Mass Roll out (RMR) based on IEC 62612 Self-ballasted LED Lamps for General Lighting Services >50V, Performance Requirement (edition 1)

Needs to be amendedLight output is to be added to be consider for a rebate

50W QH lamp replacement lamp shall have a light output of 600 to 800 lumens

50W QH lamp replacement lamp shall have a light output of 600 to 800 lumens

35W QH lamp replacement lamp shall have a light output of 300 to 500 lumens

Tolerance allowed 5% and the power of the lamp used to calculate the rebate.

Colour of lamps warm white 2800 plus tolerance ±7%Other?

Cool White

Intensity, Beam angle and Colour Warm White

Pure White Quartz Halogen White

LED floodlights lamps – replacement for PAR 38 120W andLED floodlights lamps – replacement 300W 500W 1000W linear quartz halogen lampsExisting IEC LED lamp standards could be used. Mass of LED lamp is high and the lamp holders

should be checked.

Replacement lamps1550 grams and 800 g

Note LEDs on top of left not burning and the heat sink material

LED linear lamps – replacement for 600mm, 1200mm, 1500mm tubular fluorescent lampsThese have the same challenges as the T5 retrofit and

the SANS/IEC 60598 should be amended to include the G13 lamp cap but there is an IEC draft for LED tubular lamps and this is recommended to be used.

The IEC LED draft offers a better solution as it looks at LEDs and their test systems.

Test facilities may need to be arranged and hence if this is used as a guide or ARP and later become a VC

IEC draft Double-capped LED lamps for general lighting services –Safety specifications

1 Scope This International Standard specifies the safety and interchangeability

requirements, and the exchange operation together with the test methods and conditions required to

show compliance of double-capped LED lamps with caps G5 and G13, intended for replacing

fluorescent lamps with the same caps, having: – a rated power up to 60 W; – a rated voltage of up to 250 V; Such LED lamps are designed for replacement without requiring any modification

of the luminaire. The existing luminaires into which the double-capped LED lamps are fitted, can be

operated with electromagnetic or electronic control gear. The requirements of this standard relate only to type testing. Recommendations for whole product testing or batch testing are given in Annex A.

Typical information5.3.2 Graphical instruction (IEC Draft)This clause can be used instead of 5.3.3. The steps of

applying the product to an existing luminaire shall be as given in Figure 8.

Switch off – remove - replace - connect - switch on

Figure 8: Schematic steps of removing a fluorescent lamp and inserting a double-capped LED lamp

Note no safety circuit shown – SA will require a safety fuse this is in the text of IEC draft

Proposed Guide lines LED Tubular lamps

1. Use the T5 retrofit guide lines as the min basis

2. Labels three off positions in retrofit

3. Circuit diagrams shown with changes

4. Luminaire tested with lamps especially retrofit

5. LED replacement lamps not recommended for emergency luminaires as a refit but recommend new luminaires are used here.

6. Zone classified luminaires must be retested with the LED lamps and certificates provided.

7. All luminaires tested to have photometric data available .

LED luminaires for above, High bay luminaires and Street lanterns

Used the amended SANS/IEC 60598 safety and call for SANS 475 testing for performance data.

Phase this is but issue a working guide so that Users can specify correctly and manufacturers can compete on an equal basis.

Street light standard is the most urgent followed by high bay luminaires for stores.

LED modules – replaceable?

Light output and lifeAll LEDs must state the light output initial value and

the value at 1000 hours, 2000 hours and 15000 hours.The LED survival must be 2% failure before 1000

hours 5 % at 2000 hours and not more than 50% AT 15000 hours. L70F50 ≥ 15000 h=max 50%lamps having lumen maintenance below 70% after 15000 hours and L85F05 ≥ 1000h = h=max 5%lamps having lumen maintenance below 85% after 1000 hours

CRI greater than 80 Efficacy NDLS 65 lm/W DLS 55 lm/W and increasingRef European LED Quality CharterBatch testing is required.

Electrical – power and power factor?

Electrical – power and power factor?

Conclusion

This is a quick proposal of ideas but South Africa requires these Standards or guidance so that the local industry can establish themselves, importers can bring in safe and efficient LEDs and products, inter-changeability can be achieved with reliable service for users

Users can specify products fairly and get competitive prices.

Stock holding can be limited

Thank you.