KobuchwephesheElectronic

Iqondo lobushushu isilawuli kwi kwiisekethe yolawulo

Iindlela zokulawula oluzenzekelayo eyenzelwe ukulawula phezu parameters ezifana lwangoku, ombane, amandla, uxinzelelo njl A indawo ekhethekileyo kolu hlobo nkqubo unikwa schemes yolawulo. Kuxhomekeka into, sebenzisa enye okanye omnye umgaqo wolawulo. Ukuba nomdla zokufudumeza Izakhi, oku ke kwizicelo ezininzi akukho mfuneko ukwakha isekethe-ngesantya esiphezulu. Oku kwenza ukuphunyezwa ukujikeleza ifowuni, yaye, okona kubaluleke kakhulu, ikuvumela ukuba usebenzise indlela 'mnene "ngenxa iimodyuli ngamandla. Le ndlela inabela kakhulu ubomi ebhetri lize linciphise kwemitshini xa silungisa izixhobo. Kwindawo yemveliso a - into ebalulekileyo. Wonke umgca wemveliso stop okungacetywanga kukhokelela ekuncipheni kwakhululwa imveliso yokugqibela, leyo, Kakade ke, kubonakala ixabiso layo.

Ngokomzekelo, cinga indlela encinane apho kusetyenziswa esisebenza lobushushu. Inkqubo yolawulo iye amagalelo ezimbini - reference kunye nengxelo nemiqondiso. Ukucinga ukuba uphawu kufuneka ukuzisa isabelo parameter kwixabiso ethile. Njengoko kusetyenziswa isilawuli lobushushu kwandisa ngokuthe ke ngoku izinto zokufudumeza ukuya ubuninzi. Emva koko uya ukuthelekisa uphawu ingxelo kunye ireferensi. Bakuba ukuleqa - izakwenza mpuluswa le into. Ngokuqhelekileyo kwiinkqubo ezifana ukutshintsha hysteresis ebekwe kwi / off - oku kuyimfuneko ukuqinisekisa ukusebenza ezinzileyo kwinkqubo yonke.

Ngaphambili, ngokuba wayicima izifudumezi zoqhagamshelwano yesekethe ephambili iziphaluka ezisetyenziswayo aliqela okungalunganga: esibukhali ukwanda umthwalo lwangoku, wear ngokukhawuleza abafowunelwa, njl isilawuli lobushushu Modern elilawula iminqongo lwamandla ngokusekelwe thyristors, triacs, IGBT-transistors, njl unit nganye uneempawu zawo kulawulo lwe loo kwaye kufuneka iqwalaselwe xa eyila ifowuni.

amathuba Good lokulawula amaziko imveliso enamandla, umzekelo, amaziko induction, omnye umlawuli lobushushu thyristor. Isiqalelo iye ukusebenza kakuhle, yaye benza kakuhle ngexesha lokusebenza kunye umthwalo resistive. Xa kulawulo nezinye iindidi zemithwalo, ezi zixhobo ezintsha ngexesha elinye ngokuthe ngcembe evelisa izikhundla zawo amacebo mihla ngakumbi.

Ngamanye amaxesha kuye kufuneke ukuba kusetyenziswe Regulator lobushushu. Umzekelo omhle kule meko ayanceda sisixhobo esincinane osebenza yokugquma. Njengoko ubona, kukho uphawu reference (ngokwamazinga Celsius). Impendulo kule meko uphawu ukusuka woluvo lobushushu apho zilahlwa ngaphakathi yokugquma. Imisebenzi umgaqo isilawuli ubushushu bamanzi, ukutshintsha kuphela didi lomenzi woluvo kusetyenziswa efanayo. izixhobo ezifana nazo ezisetyenziswa kwimveliso (kakade, ukuba abe omkhulu umthamo).

Nokufika kumacandelo lwamandla ezintsha ezisekelwe kwizixhobo semiconductor na indawo ngokuthe ngcembe yezikimu "omdala". Hlala ayitshintshanga ukulawula kuphela imimiselo esisekelwe phezu kwazo ezi zixhobo zisebenza.

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