Power Factor yog dab tsi?

Lub zog tseem ceeb yog hais txog qhov piv ntawm lub zog nquag ntawm AC Circuit Court rau lub zog pom. Nyob rau hauv ib qho hluav taws xob thiab lub zog ntawm cov neeg siv khoom siv hluav taws xob, tus nqi siab dua, qhov ua tau zoo dua qub, thiab siv cov khoom siv hluav taws xob ntau dua. Feem ntau siv cosΦ rau kev sawv cev

Lub zog tseem ceeb yog cov ntaub ntawv tseem ceeb ntawm lub zog hluav taws xob. Fais fab tuag yog ib qho coefficient uas ntsuas qhov ua tau zoo ntawm cov khoom siv hluav taws xob. Qhov tsis zoo ntawm lub zog hluav taws xob qhia tau hais tias cov hluav taws xob reactive siv los ntawm Circuit Court rau alternating magnetic field conversion yog loj, uas txo cov nqi ntawm cov khoom siv thiab ua rau lub zog poob ntawm cov kab. Hauv AC circuits, cosine ntawm theem sib txawv (Φ) ntawm qhov hluav taws xob thiab tam sim no yog hu ua lub zog hluav taws xob, uas yog sawv cev los ntawm lub cim cosΦ. Nyob rau hauv cov nqe lus ntawm tus nqi, lub hwj chim yam yog qhov piv ntawm active hwj chim rau pom lub hwj chim, uas yog, cosΦ=P / S.

Txhawm rau txhim kho tus nqi-kev ua tau zoo, lub tuam tsev muab hluav taws xob xav kom cov neeg siv ua kom muaj zog ntxiv. Dab tsi yog cov txiaj ntsig ntawm kev nce lub zog ntawm cov neeg siv sab?

1) Los ntawm kev txhim kho cov khoom siv hluav taws xob, tag nrho cov tam sim no nyob rau hauv txoj kab thiab lub peev xwm ntawm cov khoom siv hluav taws xob hauv cov khoom siv hluav taws xob, xws li transformers, cov khoom siv hluav taws xob, cov xov hlau, thiab lwm yam.. Tsis tsuas yog txo cov nqi peev, tab sis kuj txo qhov poob. ntawm nws tus kheej lub zog hluav taws xob.

2) Kev lees paub ntawm tus nqi hluav taws xob zoo tuaj yeem txo qhov poob qis hauv lub zog hluav taws xob, ua kom lub zog hluav taws xob ruaj khov dua, thiab txhim kho lub zog zoo.

3) Nws tuaj yeem ua kom cov npoo ntawm lub kaw lus thiab coj mus rhaub lub peev xwm ntawm kev tsim hluav taws xob thiab cov khoom siv. Yog tias lub zog ntawm lub kaw lus qis qis, lub zog tuaj yeem txhim kho thiab lub peev xwm ntawm lub nra tuaj yeem nce ntxiv tom qab lub capacitor raug teeb tsa nyob rau hauv cov xwm txheej uas lub peev xwm ntawm cov cuab yeej uas twb muaj lawm tseem tsis hloov.

Piv txwv li, thaum lub zog ntawm 1000kVA transformer yog nce los ntawm 0.8 mus rau 0.98:

Ua ntej them nyiaj: 1000 × 0.8=800kW

Tom qab them nyiaj: 1000 × 0.98=980kW

Rau tib lub 1000kVA transformer, tom qab lub zog hloov pauv, nws muaj peev xwm dais ib qho ntxiv ntawm 180kW.Txo tus neeg siv' kev siv hluav taws xob; los ntawm kev txo qis ntawm

4) Cov ntsiab lus hais saum toj no poob thiab kev txhim kho ntawm lub zog hluav taws xob, tus nqi hluav taws xob raug txo.

Thaum tus neeg siv' lub zog qhov tseem ceeb nce, lub zog reactive nws rub los ntawm lub zog hluav taws xob yuav raug txo kom tsawg, yog li qhov hluav taws xob poob kuj yuav raug txo, yog li txhim kho tus neeg siv' s voltage zoo.

LIGHT VICTOR teeb pom kev zoo tag nrho cov khoom siv fais fab> 0.9, thiab qee lub teeb siab kawg nrog PF> 0.95, tuaj yeem txuag hluav taws xob tiag tiag !!