1. Lub capacitor feem ntau sawv cev los ntawm "C" Plus cov lej hauv Circuit Court (xws li C13 txhais tau tias tus muaj peev xwm 13). Lub capacitor yog tsim ntawm ob daim hlau nplaum sib sau sib cais, sib cais los ntawm cov khoom siv insulating nyob hauv nruab nrab. Cov yam ntxwv ntawm lub capacitor yog nws yog DC rau AC.
Qhov loj me ntawm capatoritics muaj peev xwm yog qhov ntau ntawm hluav taws xob lub zog uas tuaj yeem raug ntsuas ntawm lub papacitor ntawm lub papacitor ntawm lub papactructions, uas muaj feem xyuam rau zaus thiab muaj peev xwm muaj peev xwm ntawm lub teeb liab.
Capacitance XC = 1/2 Sawv Cev C (F sawv cev rau qhov zaus ntawm AC Kos Npe, CE sawv cev rau lub capacitance)
Cov hom ntawm capacitors feem ntau siv nyob rau hauv electrolytic capacitors, chip muaj peev xwm capacitors, capactracts, tantalum capacitors thiab polyester captors.
2. Kev Qhia Npe: Qhov txheeb xyuas tus kheej ntawm lub catacitor yog tib yam li cov qauv ncaj, uas yog qauv xim qauv thiab tus lej txheej txheem. Qhov tseem ceeb ntawm lub capacitor yog tshaj tawm los ntawm Farah (F), thiab lwm yam yog: Millifa (Millifa (UF), Nanofarad (Picofarad (PF).
Ntawm lawv: 1 Farad = 103 Millifarad = 106 microfarad = 109 nanofarad = 1012 picofarad
Lub capacitance muaj nuj nqis ntawm lub capacitor loj yog ncaj qha cim ntawm lub capacitor, xws li 10 UF / 16V
Lub capacitance tus nqi ntawm lub capacitor nrog lub peev xwm me me yog sawv cev los ntawm cov tsiaj ntawv lossis tus lej ntawm lub capacitor
Tsab Ntawv Sau Npe: 1m = 1000 UF 1p2 = 1.2pf 1n = 1000pf
Digital sawv cev: Feem ntau, peb tus lej yog siv los qhia qhov loj ntawm lub peev xwm, tus thawj ob tus lej sawv cev tus lej tseem ceeb, thiab tus lej thib peb yog lub zog.
Piv txwv: 102 txhais tau tias 10 × 102pf = 1000pf 224 txhais tau tias 22 × 104pf = 0.22 UF
3. Yuam kev lub rooj ntawm capacitance
Cim Cim: FGJKLM
Kev Pub Cuam Tshuam ± 1% ± 2% ± 5% ± 10% ± 15% ± 20%
Piv txwv li: ib qho cericasic Capacitor ntawm 104J qhia txog lub peev xwm ntawm 0.1 UF thiab qhov yuam kev ntawm ± 5%.