DC switching fais fab mov yog dav siv nyob rau hauv industrial teb
Cov kev qhia ntawm DC fais fab mov muab faib ua ob hom: ib qho yog cov yam ntxwv ntsuas, suav nrog kev tso cai nkag voltage, tso zis voltage, tso zis tam sim no, thiab cov zis voltage hloov kho ntau yam; Lwm hom kev ntsuas zoo yog siv los ntsuas qhov kev ruaj ntseg ntawm qhov tso zis DC voltage, suav nrog qhov voltage stabilization coefficient (los yog voltage regulation rate), output resistance (los yog tam sim no txoj cai tus nqi), thiab ripple voltage (ib puag ncig thiab random drift).
Tsim ntawm Main Circuit Court ntawm DC Switching Power Supply
Lub ntsiab Circuit Court ntawm DC switching fais fab mov yog siv los ua kom tiav kev hloov ntawm DC-AC-DC, thiab lub ntsiab Circuit Court ntawm lub system txais ib tug tag nrho choj DC-DC converter, raws li qhia nyob rau hauv daim duab 2. Lub hwj chim switching ntaus ntawv siv nyob rau hauv qhov system no yog IGBT module ntawm BSM 50GB120DN2 series, nrog rau txhua qhov module muaj ib nrab choj qauv. Yog li ntawd, nyob rau hauv ib tug tag nrho choj system, ob modules yuav tsum tau. Txhua module yog embedded nrog ceev ceev Flyback diode.
DC switching fais fab mov tau siv dav hauv ntau qhov chaw ua haujlwm. Hauv kev tsim khoom lag luam (xws li vuam, electroplating, lossis kev tswj ceev ntawm DC motors), yuav tsum muaj ntau qhov voltage adjustable DC fais fab mov, thiab lawv feem ntau xav tau DC fais fab mov uas tuaj yeem hloov kho qhov hluav taws xob tawm. Tam sim no, vim qhov zoo ntawm kev ua haujlwm siab thiab kev hloov pauv ntawm cov khoom siv hluav taws xob me me, cov khoom siv hluav taws xob cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob thyristor tau maj mam hloov los ntawm DC hloov cov khoom siv hluav taws xob. Txoj kev tswj xyuas tseem ceeb ntawm kev hloov hluav taws xob yog siv lub mem tes dav kev hloov pauv kev sib txuas ua ke kom tso tawm PWM pulses, thiab siv cov analog PID regulator rau pulse width modulation. Txoj kev tswj hwm no muaj qee yam tsis raug thiab lub Circuit Court yog qhov nyuaj.
txoj cai ua haujlwm
DC switching fais fab mov muaj xws li ib qho input, ib qho kev hloov hluav taws xob, ib qhov tso zis, thiab ib feem tswj. Lub zog hloov dua siab tshiab yog qhov tseem ceeb ntawm kev hloov hluav taws xob hloov hluav taws xob, uas ua rau lub zog ntau zaus ntawm DC tsis ruaj khov thiab ua tiav qhov kev hloov pauv uas xav tau rau cov zis. Nws tsuas yog muaj qhov hloov pauv hloov pauv thiab lub tshuab hluav taws xob ntau zaus. Daim duab 1 qhia txog schematic daim duab thiab Equivalence hauv paus ntsiab lus thaiv daim duab ntawm DC switching fais fab mov, uas yog tsim los ntawm tag nrho yoj rectifier, hloov raj V, excitation teeb liab, Flyback diode Vp, lub zog cia inductance thiab lim capacitor C. Qhov tseeb, qhov tseem ceeb ntawm DC hloov fais fab mov yog DC transformer.
