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Vim li cas tsis tuaj yeem hloov kho tam sim no lossis qhov hluav taws xob tsis raug kho thaum siv DC stabilized fais fab mov?

Nov 08, 2022

Vim li cas tsis tuaj yeem hloov kho tam sim no lossis qhov hluav taws xob tsis raug kho thaum siv DC stabilized fais fab mov?


Phenomenon 1: Cov zis muaj voltage tab sis tsis muaj tam sim no, los yog muaj tam sim no tab sis tsis muaj voltage


Txawm hais tias qhov xwm txheej saum toj no, cov khoom siv hluav taws xob ua haujlwm ib txwm ua haujlwm, thiab tus neeg teb xov tooj yuav tsum xyuas seb lub load puas nyob rau hauv kev sib cuag zoo, seb lub load yog luv luv los yog qhib, seb lub load puas tau raws li cov specifications, thiab hais txog. Hauv qhov xwm txheej hnyav, yog tias cov khoom siv hluav taws xob muaj qhov tso tawm hluav taws xob (qhov hluav taws xob tsis tu ncua), thiab cov kab thauj khoom raug txiav tawm, lub ntuj tso tawm tam sim no sib npaug rau xoom. Ib yam li ntawd, yog tias cov khoom siv hluav taws xob muaj cov zis tam sim no (lub xeev tam sim no), thiab cov khoom thauj yog luv luv, lub ntuj tso zis voltage yog sib npaug rau xoom.


Phenomenon 2: Thaum kho qhov hluav taws xob, nws pom tias qhov tsis muaj hluav taws xob tsis tuaj yeem hloov kho.


Qee tus neeg ua haujlwm nyiam tig lub "tam sim no hloov kho" potentiometer tag nrho txoj kev mus rau sab laug, kom qhov tsis muaj hluav taws xob tsis muaj hluav taws xob tsis tuaj yeem hloov kho. Qhov no qhia tau hais tias nws tsis muaj kev nkag siab ntau ntawm "kev cai tam sim no". Vim tias lub zog siv hluav taws xob siv me ntsis tam sim no txawm tias tsis muaj kev thauj khoom, thiab yog tias koj tua "tam sim no txoj cai" mus rau xoom, txawm tias me me tam sim no yuav tsis raug tso tawm, thiab qhov tsis muaj qhov hluav taws xob yuav tsis nce. Yog li ntawd, "txoj cai tam sim no" feem ntau tsis hloov mus rau xoom (qhov xwm txheej saum toj no yuav tsis tshwm sim yog tias nws raug kho rau sab xis txog ib lub hlis twg tig).


Txoj kev ua haujlwm dav dav: Thaum cov zis hluav taws xob ntawm qhov chaw tswj tau siv, lub qhov rooj hloov kho tam sim no yuav tsum tau tig mus rau lub moos kom kawg thiab khaws cia. Kho lub pob qhov rooj hloov qhov hluav taws xob los tswj cov zis DC voltage tus nqi. Thaum tso zis tam sim no raws li qhov chaw nyob ruaj khov, tig lub qhov hluav taws xob hloov kho qhov ntsuas clockwise mus rau qhov kawg thiab khaws cia. Kho qhov hloov kho tam sim no los tswj cov zis DC tam sim no tus nqi.


Phenomenon 3: Cov khoom siv hluav taws xob muaj ob qhov hluav taws xob tso tawm thiab cov zis tam sim no, tab sis yog tias qhov hluav taws xob hloov dua tshiab, qhov hluav taws xob tsis tuaj yeem hloov kho. Los yog cov khoom siv hluav taws xob muaj qhov tso tawm hluav taws xob thiab cov zis tam sim no. Yog tias koj xav nce qhov tam sim no, qhov tam sim no yuav tsis raug kho ntau.


Qhov no yog vim hais tias tus neeg teb xov tooj tsis meej txog cov ntsiab lus ntawm "voltage tsis tu ncua" thiab "tsis tu ncua tam sim no". Yog tias lub teeb "tsis tu ncua" yog nyob rau, nws txhais tau hais tias cov khoom siv hluav taws xob ua haujlwm tsis tu ncua (nws tuaj yeem txiav txim siab tias qhov hluav taws xob yog nyob rau hauv txoj haujlwm nquag), thiab cov zis tam sim no tau txiav txim siab los ntawm kev thauj khoom. , tsis yog los ntawm tus neeg teb xov tooj (nws tuaj yeem hais tias tam sim no yog Passive raws li txoj cai), yog tias koj tig lub pob qhov "Tam sim no hloov" mus rau sab xis ntawm lub sijhawm no, qhov tam sim no yuav tsis nce ntxiv. Tab sis lub sijhawm no, tig lub pob qhov "Voltage Adjustment" mus rau sab xis, cov zis hluav taws xob yuav nce ntxiv, thiab cov zis tam sim no kuj nce ntxiv. (Voltage yog tus tswv, tam sim no yog qhev).


Ib yam li ntawd, yog tias lub teeb "tsis tu ncua" yog nyob rau, nws txhais tau hais tias cov khoom siv hluav taws xob ua haujlwm tsis tu ncua, thiab cov zis hluav taws xob nyob rau lub sijhawm no tsis yog "hloov", tab sis txiav txim siab los ntawm kev thauj khoom. Tsuas yog los ntawm kev kho qhov "tam sim no hloov kho" pob qhov rooj, cov zis tam sim no yuav hloov, thiab cov zis voltage kuj yuav hloov.


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