Fais fab Distribution Transformer Capacity Unit
Chav tsev ntawm lub zog faib hluav taws xob muaj peev xwm yog KVA, uas yog, pom lub zog. Feem ntau cov khoom siv hluav taws xob yog cov khoom siv inductive, thiab lawv lub zog pom tseeb yog sib npaug ntawm vector sum ntawm lub zog nquag thiab lub zog reactive. Yog li ntawd, lub zog meej ntawm qhov inductive load yog ntau dua li lub zog ua haujlwm. Yog tias lub zog faib hluav taws xob hloov pauv tau xaiv nrog lub zog ua haujlwm, lub zog pom tseeb ntawm cov khoom siv hluav taws xob yuav tsum ntau dua li lub peev xwm ntawm lub zog hloov hluav taws xob, thiab cov khoom thauj tam sim no yuav tsum tshaj qhov tso cai ntawm lub tshuab hloov pauv. Yog li ntawd, lub inductive load yuav tsum siv lub zog pom los xaiv lub transformer.
Yog hais tias cov loads ntawm lub transformer yog tag nrho cov resistive loads, tag nrho cov hwj huam yuav muab sib npaug rau KVA tus nqi ntawm transformer.
Yuav ua li cas yog KVA hloov KW? VA los yog KVA yog lub zog pom tseeb siv nyob rau hauv AC kab, tseem hu ua lub peev xwm, uas yog cov khoom ntawm qhov voltage thiab rms tus nqi ntawm qhov tam sim no. Tab sis nws yuav cuam tshuam rau cov qauv tsim ntawm lub hwj chim faib transformer, yog li nws yog qhov tseeb dua los siv VA lossis KVA los xam. Thiab W lossis KW yog qhov peb feem ntau hu nws.
