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TitleTest Procedures for Integrated Light-Emitting Diode Lamps
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Table of Contents
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Energy Conservation Program: Test Procedures for Integrated Light-Emitting Diode Lamps
Table of Contents
I. Authority and Background
II. Summary of the Supplemental Notice of Proposed Rulemaking
III. Discussion
IV. Procedural Issues and Regulatory Review
V. Public Participation
VI. Approval of the Office of the Secretary
PART 429—CERTIFICATION, COMPLIANCE, AND ENFORCEMENT FORCONSUMER PRODUCTS AND COMMERCIAL AND INDUSTRIAL EQUIPMENT
PART 430—ENERGY CONSERVATION PROGRAM FOR CONSUMER PRODUCTS
                        
Document Text Contents
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[6450-01-P]



DEPARTMENT OF ENERGY

10 CFR Parts 429 and 430

[Docket No. EERE-2011-BT-TP-0071]

RIN: 1904-AC67



Energy Conservation Program: Test Procedures for Integrated Light-Emitting Diode

Lamps



AGENCY: Office of Energy Efficiency and Renewable Energy, Department of Energy.





ACTION: Supplemental notice of proposed rulemaking.





SUMMARY: On April 9, 2012, the U.S. Department of Energy (DOE) published a notice of

proposed rulemaking (NOPR) in which DOE proposed a test procedure for light-emitting diode

(LED) lamps (hereafter referred to as LED lamps).

rulemaking (SNOPR), revises proposal for a new test procedure for LED lamps. This

SNOPR supports implementation of labeling provisions by the Federal Trade Commission (FTC)

and implementation of energy conservation standards for general service lamps that

includes general service LED lamps. The SNOPR continues to define methods for measuring the

lumen output, input power, and relative spectral distribution (to determine correlated color

temperature, or CCT). Further, the SNOPR revises the method for calculating the lifetime of

LED lamps, and defines the lifetime as the time required for the LED lamp to reach a lumen

maintenance of 70 percent (that is, 70 percent of initial light output). Additionally, the SNOPR

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impact of airflow and the physical environment while minimizing test burden. DOE invites

comments on the minimization of vibration, shock, and air movement, as well as the requirement

for adequate lamp spacing during lamp operation in order to maintain ambient temperature

conditions.

Power Supply


DOE proposes that section 3.1 of IES LM-79-2008 be incorporated by reference to

specify requirements for both AC and DC power supplies. This section specifies that an AC

power supply shall have a sinusoidal voltage waveshape at the input frequency required by the

LED lamp such that the RMS summation of the harmonic components does not exceed three

percent of the fundamental frequency while operating the LED lamp. Section 3.2 of IES LM-79-

2008 also requires that the voltage of an AC power supply (RMS voltage) or DC power supply

(instantaneous voltage) applied to the LED lamp shall be within ± 0.2 percent of the specified

lamp input voltage. However, DOE determined that the IES LM-79-2008 voltage tolerances are

too burdensome to maintain for the extended time period for which a lamp may need to be

operated to determine lifetime. When not taking measurements, DOE proposes to adopt

provisions similar to section 5.3 of IES LM-65-10 which requires that the input voltage be

monitored and regulated to within ± 2.0 percent of the rated RMS voltage. DOE believes that this

requirement is achievable with minimal test burden and provides reasonable stringency in terms

of power quality based on its similarity to voltage tolerance requirements for other lamp types.

DOE invites comments on the proposal to adopt section 3.1 of IES LM-79-2008 requirements for

both AC and DC power supplies. DOE also requests comment on the requirement that input

voltage be monitored and regulated to within ± 2.0 percent of the rated RMS voltage as specified

in section 5.3 of IES LM-65-2010.

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Lamp Mounting and Orientation



DOE proposes that the LED lamps be tested in the base-up and base-down orientations

for lumen maintenance testing. Section III.C.3.b notes that LED lamp test data provided by

ENERGY STAR, as well as PG&E, CLASP, and CLTC, has revealed that there was variation

between the base-up, base-down and horizontal orientations (see supra note 20). Of the three

orientations, analysis revealed that the base-up and base-down orientations represent the best

(highest lumen output) and worst (lowest lumen output) case scenarios.

Electrical Settings



DOE proposes adopting the electrical settings in section 7.0 of IES LM-79-2008. Section

III.C.3.d details the required electrical settings for input voltage and how to operate lamps with

multiple modes of operation, such as variable CCT and dimmable lamps.

Operating Cycle



Lifetime test procedures for other lamp types sometimes require “cycling,” which means

turning the lamp on and off at specific intervals over the test period. However, industry has

stated that unlike other lighting technologies, the lifetime of LED lamps is minimally affected by

power cycling.
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Therefore, in this SNOPR, DOE proposes to operate the LED lamp

continuously and requests feedback on the appropriateness of not requiring cycling in the test

procedure for lifetime.


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NEMA Comments on ENERGY STAR Program Requirements Product Specification for Lamps (Light Bulbs)

Version 1.0, Draft 2 http://energystar.gov/products/specs/sites/products/files/NEMA.pdf.

http://energystar.gov/products/specs/sites/products/files/NEMA.pdf

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The maximum lifetime is limited to four times the test duration t.

4.5.4. For lumen maintenance values less than 0.7, including lamp failures that result in

complete loss of light output, lifetime is equal to the previously recorded lumen

output measurement at a shorter test duration where the lumen maintenance is

greater than or equal to 70 percent, and lifetime shall not be calculated in

accordance with section 4.5.3 of this appendix.

5. Standby Mode Test Method for Determining Standby Mode Power

In cases where there is a conflict, the language of the test procedure in this appendix takes

precedence over IES LM-79 (incorporated by reference; see §430.3) and IEC 62301

(incorporated by reference; see §430.3).

5.1. Test Conditions and Setup

5.1.1. The ambient conditions, power supply, electrical settings, and instrumentation

must be established in accordance with the specifications in sections 2.0, 3.0, 7.0,

and 8.0 of IES LM-79 (incorporated by reference; see §430.3), respectively.

5.1.2. An equal number of integrated LED lamps must be positioned in the base up and

base down orientations throughout testing.

5.1.3. The integrated LED lamp must be operated at the rated voltage throughout

testing. For an integrated LED lamp with multiple rated voltages, the integrated

LED lamp must be operated at 120 volts. If an integrated LED lamp with multiple

rated voltages is not rated for 120 volts, the integrated LED lamp must be operated

at the highest rated input voltage.

5.2. Test Method, Measurements, and Calculations

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5.2.1. Standby mode power consumption must be measured for integrated LED lamps if

applicable.

5.2.2. The integrated LED lamp must be stabilized prior to measurement as specified in

section 5.0 of IES LM-79 (incorporated by reference; see §430.3). The stabilization

variation is calculated as [maximum minimum)/minimum] of at least three

readings of the input power and lumen output over a period of 30 minutes, taken 15

minutes apart.

5.2.3. The integrated LED must be configured in standby mode by sending a signal to

the integrated LED lamp instructing it to have zero light output.

5.2.4. The standby mode power in watts must be measured as specified in section 5 of

IEC 62301 (incorporated by reference; see §430.3).

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