Kev paub yooj yim ntawm cov khoom siv hluav taws xob
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Kev paub yooj yim ntawm cov khoom siv hluav taws xob
Lub luag haujlwm tseem ceeb tshaj plaws ntawm cov khoom siv hluav taws xob yog los cuam tshuam qhov ntws ntawm hluav taws xob tam sim no. Qhov ob qhov tseem ceeb tshaj plaws rau kev ntsuas cov resistors yog tsis kam thiab lub zog. Tus nqi kuj yog siv los qhia qhov loj ntawm qhov tsis kam ntawm cov resistor rau tam sim no, qhia hauv ohms. Ntxiv rau chav tsev yooj yim, muaj kiloohms thiab megaohms. Lub zog yog siv los qhia qhov tam sim no uas tus resistor tuaj yeem tiv taus. Nws yog qhia nyob rau hauv watts. Muaj 1/16W, 1/8W, 1/4W, 1/2W, 1W, 2W, thiab lwm yam. Yog tias tus nqi no dhau lawm, tus resistor yuav hlawv. Raws li cov khoom sib txawv ntawm cov resistor, muaj cov cement resistors (cov nqi qis qis, lub zog siab, lub suab nrov thermal, tsis txaus ua haujlwm, tsis ruaj khov), cov yeeb yaj kiab tsis zoo, cov yeeb yaj kiab hlau resistors (me me, ruaj khov, tsis muaj suab nrov, siab. precision) thiab hlau oxide zaj duab xis kuj thiab lwm yam. Raws li seb qhov kev tiv thaiv yog qhov sib txawv, nws tuaj yeem muab faib ua trimming resistor, adjustable resistor, potentiometer, thiab lwm yam.
DC voltage yog ntxiv rau qhov ntws D ntawm TOPSwitch-GX los ntawm thawj sab ntawm lub transformer; Cov zaus xaiv davhlau ya nyob twg F thiab qhov txwv tam sim no teeb tsa davhlau ya nyob twg X txuas nrog lub hauv paus S, thiab kev ua haujlwm ntawm ob lub davhlau ya nyob twg tsis muaj txiaj ntsig, uas yog, txwv tsis pub teeb tsa los ntawm sab nraud tam sim no, kev tiv thaiv tus kheej sab hauv tam sim no ILIMIT yog tau teeb tsa, thiab qhov hloov pauv zaus yog 132K; Cov ncej tswj tau txuas nrog optocoupler LTV817 thiab tau txais cov lus qhia tawm tswv yim los tswj lub luag haujlwm lub voj voog ntawm sab hauv kev sib xyaw ua haujlwm siab hluav taws xob MOS raj; Cov kab hluav taws xob ntsuas hluav taws xob L dhau mus rau 2MΩ Lub resistor txuas nrog lub davhlau ya nyob twg zoo ntawm DC high voltage input kom paub cov kab hluav taws xob nrhiav pom ntawm overvoltage thiab undervoltage kab voltage feedforward. Capacitor C1 yog lub tshuab lim dej ntau zaus; transient voltage suppressor P6KE200 thiab ultra-ceev rov qab diode BYV26C tsim ib tug clamping Circuit Court, thiab ib tug RC absorption Circuit Court (tsim ntawm R2, R3 thiab C6) yog txuas nrog nyob rau hauv series, thiaj li mus nqus ib feem ntawm cov to inductance Ntxiv rau lub zog nyob rau hauv qhov nruab nrab, qhov hluav taws xob kuj tseem tuaj yeem raug clamped rau 200V, kom lub qhov hluav taws xob ntws ntawm TOPSwitch-GX sab hauv MOS raj tsis pub tshaj 700V thaum lub zog hloov hluav taws xob pib lossis overloaded; Qhov thib ob sab tso zis ntawm high-frequency transformer T1 dhau los ntawm MURl640CT Tom qab rectifying thiab filtering nrog C9, C10 thiab C11, cov zis voltage yog tau tom qab lub suab nrov switching yog lim los ntawm magnetic hlaws L1 thiab C12; VD4 thiab C14 tsim ib qho hluav taws xob pib hluav taws xob.
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