Ntxiv rau qhov kev xaiv ntawm EV fuse, qhov teeb meem tseem ceeb nyob hauv kev suav thiab xaiv cov ntsuas tam sim no, tshwj tsis yog tias qhov ntsuas hluav taws xob yuav tsum siab dua qhov system ua haujlwm voltage thiab qhov loj me yuav tsum tau them nyiaj rau:
xam fuse rated current In: Ib=In x Kt x Ke x Kv x Kf x Ka;
In≥ Ib/(Kt x Ke x Kv x Kf x Ka)
Hauv: ntsuas tam sim no ntawm lub fuse
Ib: qhov siab tshaj plaws nruam load tam sim no tso cai rau hauv Circuit Court uas lub fuse nyob
Kt: kub kho qhov tseem ceeb
Ke: Thaum tshav kub kub conduction yam ntawm cov khoom sib txuas
Kv: cua txias kho qhov tseem ceeb
Kf: zaus kho qhov tseem ceeb
Ka: altitude kho coefficient
Hauv kev siv tswv yim, qhov tseeb tam sim no load thiab lub sij hawm ntawm fuse sib txawv raws li kev ua haujlwm sib txawv. Nws yog ib qho nyuaj rau kev txhais cov load tam sim no ntawm fuse nrog cov qauv raug. Cov neeg siv yuav tsum tau kho qhov kev xaiv ntawm fuses raws li cov kev xaiv yooj yim thiab lawv tus kheej lub tswv yim tswj hauv. Thaum lub sij hawm hloov kho, yam tsawg kawg hauv qab no yuav tsum tau xav txog:
1: seb nws puas tuaj yeem tiv thaiv tau zoo, uas yog, seb lub fuse tuaj yeem ua haujlwm tau zoo thaum nws ntsib qhov luv luv ntawm lub ntsiab Circuit Court, thiaj li tsis ua rau lub roj teeb pob hluav taws, hluav taws xob cable thiab lwm yam teeb meem;
2: Nyob rau hauv daim ntawv thov, seb qhov kub nce yog qhov txaus thiab tswj tau, thiab seb nws puas muaj kev cuam tshuam rau cov khoom siv peripheral;
3: Kev ntsuas qhov ua haujlwm tiag tiag yog tus qauv nkaus xwb los xyuas seb qhov kev xaiv puas tsim nyog.