Cov lus piav qhia ntxaws txog kev ua yuam kev thiab kev saib xyuas ntawm lub zog zaus converters
1. Kho qhov puas rectifier thaiv ntawm lub zaus converter
Qhov kev puas tsuaj rau tus choj rectifier ntawm lub zaus converter kuj yog ib qho ntawm cov kev ua txhaum ntawm cov zaus converter. Thaum ntxov ntawm cov zaus converter rectifier thaiv feem ntau siv diode rectification, thiab tam sim no ib co rectifier blocks siv thyristor rectification txoj kev (voltage regulation zaus modulation zaus converter).
Lub rectification module ntawm nruab nrab thiab high-power zoo tib yam zaus converters yog feem ntau peb-theem tag nrho yoj rectification, uas ua rau rectification ntawm tag nrho cov zis hluav taws xob lub zog ntawm zaus converter. Nws yog feem ntau overheating thiab tawg. Tom qab kev puas tsuaj, lub zaus hloov pauv yuav tsis tuaj yeem xa hluav taws xob, fuse tshuab, thiab lwm yam tshwm sim tuaj yeem tshwm sim. Peb-theem input lossis output terminals muaj qhov tseem ceeb tsis kam tiv thaiv (feem ntau lawv cov txiaj ntsig tsis kam mus txog megohms) lossis luv luv circuits.
Thaum hloov lub rectifier thaiv, nws yuav tsum tau ua tib zoo siv ib txheej ntawm silicon thermal conductive muab tshuaj txhuam nrog kev ua haujlwm zoo thaum tshav kub kub hloov mus rau qhov chaw sib cuag nrog lub dab dej kub, thiab tom qab ntawd nruj cov screws. Yog tias tsis muaj cov blocks rectifier ntawm tib tus qauv, lwm hom rectifier blocks ntawm tib lub peev xwm tuaj yeem siv los hloov. Cov ntsia hlau kho qhov yuav tsum tau rov drilled, tapped, thiab ces ntsia thiab xaim.
2. Lub charger resistor ntawm lub zaus converter yog feem ntau ua rau puas thiab txij nkawm
Feem ntau yog vim li cas rau kev puas tsuaj rau lub charger resistor ntawm lub zaus converter yog: yog hais tias tus contactor ntawm lub ntsiab Circuit Court tsis raug kaw, nws yuav ua rau lub sij hawm txaus tam sim no thiab hlawv tawm; Los yog cov nqi them tam sim no siab dhau lawm thiab cov resistor raug hlawv tawm; Los yog vim lub fact tias thaum lub sij hawm hnyav load pib, lub ntsiab Circuit Court yog energized thiab RUN teeb liab yog ib txhij txuas, ua rau lub charger resistor kis tau los ntawm ob qho tag nrho cov them tam sim no thiab lub load inverter tam sim no, ua rau nws raug rau burnout.
Cov yam ntxwv ntawm nws qhov kev puas tsuaj feem ntau tshwm sim raws li cov cim kev puas tsuaj xws li hlawv, blackening ntawm lub plhaub, thiab tawg. Qhov kev tiv thaiv kuj tuaj yeem ntsuas tau siv lub tshuab multimeter (cov tshuab uas muaj peev xwm sib txawv muaj qhov sib txawv ntawm qhov sib txawv, uas tuaj yeem txiav txim siab los ntawm kev xa mus rau qhov tseem ceeb ntawm cov qauv sib txawv).
3. Kho ntawm burnt inverter module ntawm zaus converter
Nruab nrab thiab me zaus converters feem ntau siv peb pawg ntawm IGTR (high-power transistor modules); Cov qauv muaj peev xwm loj tag nrho siv ntau yam ntawm IGTRs nyob rau hauv tib lub sijhawm, yog li kev ntsuas thiab tshuaj xyuas yuav tsum tau ua ib qho los ntawm ib qho. Qhov kev puas tsuaj ntawm IGTR tuaj yeem ua rau kev tiv thaiv kev ua haujlwm ntawm zaus hloov pauv OC (ntxiv rau pA, ntxiv rau pd, lossis ntxiv rau pn) ua haujlwm.
Muaj ntau yam laj thawj rau kev puas tsuaj ntawm inverter module: xws li luv luv Circuit Court nyob rau hauv cov zis load; Kev thauj khoom ntau dhau thiab kev ua haujlwm tsis tu ncua nrog cov tam sim no siab; Lub load fluctuates zoo heev, uas ua rau ntau dhau surge tam sim no; Tsis zoo cua txias nyhuv; Ua rau lub module kub dhau, ua rau module burnout, kev ua haujlwm tsis zoo, kev hloov pauv, thiab lwm yam teeb meem, uas ua rau cov zis tsis zoo inverter.
