Yam dab tsi cuam tshuam rau kev coj teeb zoo?
Yam dab tsi cuam tshuam rau kev coj lub teeb zoo? Yuav ua li cas paub qhov coj teeb yog zoo los yog tsis? Hnub no peb yuav qhia txog qee yam tseem ceeb, kom koj paub meej meej thaum xaiv qhov qij coj, coj teeb pom kev, coj teeb lub teeb ntsa.
1. CRI (Ra)
CRI Sawv cev los ntawm Ra, tus nqi siab tshaj plaws 100 yog qhov zoo tshaj plaws. Lub teeb txuag zog yog 80 ~ 90, LED yog 70 ~ 90, peb cov teeb pom kev zoo dua 80 xyoo.
2. Luminous Flux (lm)
Luminous Flux uas sawv cev los ntawm lm, siv los piav qhia tag nrho cov teeb ci ci. Qhov loj ntawm lm, ntau lub teeb nws emit.
3. Luminous Efficiency (Lm / w)
Luminous Efficiency Luminous Flux faib los ntawm Lub Hwj Chim, yog qhov tseem ceeb ntawm lub zog txuag lub teeb. Luminous efficiency ntawm LED lub teeb ncav ntau tshaj 80. Peb lub teeb ci LED tuaj yeem siab tshaj 90.
4. Fais Fab Factor (PF)
Fais fab Factor qhia tau hais tias muaj peev xwm ntawm cov zis ntawm lub zog fais fab. Qhov Fais Fab Factor yog Actural Fais faib los ntawm Apparent Fais fab, uas yog PF = P / U * I. General PF yog ntawm 0.5 mus 0.6, Teb chaws Europe tau nruj me me ntawm Fais Fab Factor, yuav tsum ncav cuag 0.9, ua raws li EMC txuj. Qhov loj ntawm PF, qis dua qub, yuav txuag hluav taws xob.
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