DOE解读IES LM79,LM80和TM21的差异

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TM-21 Calculation Verification

?The method is provided as formulas and procedure?This can be easily

developed in spreadsheet or similar common software tools

….but calculations can be easily miss-coded?A verification example –data + calculation results is provided to allow

checking of process and results

25| Solid-State Lighting Program

?Table E2 6000 hours LM-80-08 test data at case temperature point Ts,2= 85 oCSample #1234567891011121314151617181920Averageln(Average)01.0001.0001.0001.0001.0001.0001.0001.0001.0001.0001.0001.0001.0001.0001.0001.0001.0001.0001.0001.0001.00005000.9950.9860.9690.9880.9710.9740.9880.9850.9860.9490.9930.9910.9810.9920.9670.9840.9920.9840.9810.9820.981910000.9690.9610.9510.9720.9500.9560.9710.9690.9670.9220.9780.9760.9630.9760.9470.9670.9770.9670.9640.9660.963520000.9720.9680.9510.9730.9500.9530.9740.9760.9690.9210.9820.9770.9720.9820.9430.9730.9820.9670.9640.9700.966030000.9570.9580.9380.9590.9360.9410.9660.9650.9540.9070.9740.9700.9660.9720.9320.9650.9710.9520.9530.9600.954840000.9440.9460.9230.9500.9220.9270.9560.9560.9380.8940.9660.9590.9560.9620.9200.9410.9620.9390.9390.9510.942650000.9330.9380.9180.9480.9110.9190.9500.9510.9300.8850.9610.9530.9500.9580.9140.9400.9560.9320.9330.9480.936460000.9290.9370.9170.9470.9070.9140.9500.9500.9240.8850.9590.9490.9520.9580.9140.9400.9570.9280.9290.9410.93440.00000-0.01827-0.03718-0.03459-0.04625-0.05911-0.06571-0.06785www.ssl.energy.gov

How Will TM-21 be Applied

?TM-21 may be adopted by organizations/programs as documentation of performance (i.e. Energy Star)

–Program may define who does calculations (lab, manuf, other)–Program could do calculations themselves

?TM-21 may be requested as part of LM-80 testing

–Test lab will need to develop calculation sheet

?TM-21 may be applied by a manufacturer

–Oversight/random checking of calculations will be prudent

It is likely that TM-21 will achieve widespread adoption and use

26| Solid-State Lighting Program

www.ssl.energy.gov

Questions?

27| Solid-State Lighting Program

www.ssl.energy.gov

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