Lub teeb ci ntau npaum li cas?
Lub teeb ci ntau npaum li cas?

Video: Lub teeb ci ntau npaum li cas?

Video: Lub teeb ci ntau npaum li cas?
Video: Npau suav liab qab txais tau li cas? 2024, Kaum ib hlis
Anonim

Kev Sib Piv Ntawm LED, CFL thiab Cov Teeb Pom Teeb Pom Kev Zoo:

LED Teeb
Watts (sib npaug 60 watts) 10 60
Nqi ib noob $2.50 $1.25
Tus nqi txhua hnub* $0.005 $0.03
Tus nqi txhua xyoo* $1.83 $10.95

Xav txog qhov no, tus nqi teeb lub teeb ntau npaum li cas?

Ntau lub teeb cov cuab yeej siv ntau tshaj ib qho noob thiab nws yooj yim tawm mus teeb thoob plaws hauv koj lub tsev thaum koj tsis siv lawv. Kaum qhov muag teev siv 6 xees ib teev. Yog tias koj siv cov ntawd qhov muag teev rau 6 teev nyob rau ib hnub, nws yuav nqi koj 36 xees ib hnub lossis kwv yees li $ 10 ib hlis.

Tsis tas li ntawd, nws raug nqi npaum li cas los khiav lub teeb 60 watt rau 1 teev? Cov lus teb yooj yim yog " ua lej "rau qhov no ib . Tebchaws USA nruab nrab yog nyob ib ncig ntawm 14 xees ib kilowatt teev . Yog li ntawd, a 60 watt noob yog 60 /1000 hli teev tom qab ntawd suav nrog koj li ACTUAL tus nqi hluav taws xob. Rau qhov kwv yees no, nws tsuas yog nyob rau hauv ib lub nyiaj npib.

Tom qab ntawd, nws raug nqi ntau npaum li cas los teeb lub teeb rau 1 teev?

Cov hluav taws xob raug muag hauv cov chav ntawm kilowatt- teev (kWh) - tus nqi ntawm lub zog uas 1kW cov cuab yeej siv hauv ib qho teev . Yog li txhua tus teev tso 10 teeb siv 0.6kWh. Raws li tus nqi ib txwm raug ntawm 12.2p ib kWh, 10 teeb yuav nqi 7.3p ua teev rau khiav . Txhua hnub nqi yog li 73p yog nyob rau 10 teev.

Tus nqi 13 watt teeb ib teev twg?

Qhov nruab nrab CFL noob uas muab 800 lumens yuav siv xwb 13 rau 15 watts piv rau qhov zoo sib xws incandescent noob uas siv 60 watts . Nyem laij tawm kom pom hluav taws xob tus nqi ntawm ib lub teeb CFL xwb noob khiav ntawm 14 Watts rau 5 teev ib hnub @ $ 0.10 ib kWh, koj tseem tuaj yeem hloov kho lub laij lej.

Pom zoo: