Qhov sij hawm cumulative teeb pom kev zoo ntawm lub teeb nyob rau ib hmo yuav tsum yog 7 teev (h);
★: Qhov sij hawm nruab nrab ntawm lub vaj huam sib luag yog 4.5 xuaj moos hauv ib hnub (h);
Tsawg zeem cia ntawm 20% ntawm lub vaj huam sib luag tseev kom muaj.
WP ÷ 17.4V = (5A × 7 x × 120%) ÷ 4.5h
WP ÷ 17.4V = 9.33
WP = 162 (W)
★: 4.5h lub sij hawm muaj teeb me ntsis yog hnub ci coefficient hauv cheeb tsam nruab nrab thiab qis dua ntawm tus Dej Yangtze.
Tsis tas li ntawd, nyob rau hauv lub hnub ci teeb lub teeb, txoj kab poob, tswj tsis tau, thiab lub hwj huam noj ntawm ballast los yog qhov tam sim no yog qhov sib txawv, thiab tej zaum yuav yog nyob rau hauv 15% -25% nyob rau hauv daim ntaub ntawv. Yog li, 162W tsuas yog tus nqi theoretical xwb, thiab xav tau kev nce ntxiv raws li cov neeg mob tiag tiag.
