Q1: Waa maxay doorka ugu muhiimsan ee capacitors filimada ee qaab dhismeedka korantada ee baabuurta tamarta cusub?
J: Sida capacitors DC-link, shaqadooda aasaasiga ah waa inay nuugaan qulqulka garaaca garaaca baska ee sarreeya, isbedbeddelka korantada, iyo ka ilaalinta IGBT/SiC MOSFET aaladaha beddelaadda korantada ku meel gaadhka ah iyo kor u kaca hadda.
Q2: Waa maxay sababta madal 800V u baahan tahay capacitors filimada waxqabadka sare?
J: Marka korantada baska uu ka kordho 400V ilaa 800V, shuruudaha capacitor-ku waxay u adkaysanayaan danab, hufnaanta nuugista hadda, iyo daadinta kulaylku si aad ah ayey u kordheysaa. ESR-ga hooseeya iyo sifooyinka korantada ee sarreeya ee capacitors filimku waxay aad ugu habboon yihiin bay'adaha korantada sare.
Q3: Waa maxay faa'iidooyinka aasaasiga ah ee capacitors filimada ka badan capacitors electrolytic baabuurta tamarta cusub?
J: Waxay bixiyaan danab adkeysi sare leh, ESR hoose, ma aha polar, waxayna leeyihiin cimri dherer. Soo noqnoqda resonant aad ayuu uga sarreeyaa kuwa korantada korantada, taas oo u dhiganta shuruudaha beddelashada-sare ee SiC MOSFETs.
Q4: Waa maxay sababta capacitors kale ay si fudud u keenaan kororka korantada ee beddelayaasha SiC?
A: ESR sare iyo soo noqnoqoshada resonant hooseeya ayaa ka ilaaliya inay si wax ku ool ah u nuugaan qulqulka qulqulka badan ee hadda jira. Marka SiC-gu ku wareego xawli badan, korontadu way korodhaa, taasoo suurtogal ah inay waxyeelayso qalabka.
Q5: Sidee bay capacitors filimadu u caawiyaan yaraynta cabbirka hababka wadista korontada?
J: Daraasadda kiiska Wolfspeed, 40kW SiC inverter wuxuu u baahan yahay siddeed filim oo keliya (marka la barbardhigo 22 capacitors electrolytic for IGBTs silicon-based), si weyn u yareynaya PCB cagta iyo miisaanka.
Q6: Waa maxay shuruudaha cusub ee inta jeer ee beddelka sare ay dhigayaan capacitors DC-Link?
J: ESR hoose ayaa loo baahan yahay si loo yareeyo khasaaraha beddelka, inta jeer ee resonant sare ayaa loo baahan yahay si loo xakameeyo ripple-soo noqnoqda sare, iyo dv/dt ka fiican u adkaysan ayaa sidoo kale loo baahan yahay.
Q7: Sidee loo qiimeeyaa kalsoonida cimriga ee capacitors filimada?
J: Waxay kuxirantahay xasiloonida kulaylka ee walxaha (tusaale ahaan, filimka polypropylene) iyo naqshadaynta kuleylka. Tusaale ahaan, taxanaha YMIN MDP waxa uu wanaajiyaa cimriga heerkulka sare iyada oo wanaajinaysa qaab dhismeedka kulaylka.
Q8: Sidee buu ESR-ga ee capacitors filimku u saameeyaa hufnaanta nidaamka?
A: Low ESR waxay yaraynaysaa lumitaanka tamarta inta lagu jiro beddelka, waxay hoos u dhigtaa cadaadiska korantada, waxayna si toos ah u wanaajisaa waxtarka beddelka.
Q9: Maxay capacitors filimadu ugu habboon yihiin bay'adaha gariirrada sare?
J: Qaab dhismeedkooda adag, oo aan lahayn dareere dareere ah, waxay bixisaa iska caabin gariir sare marka la barbar dhigo capacitors electrolytic, iyo rakibaadda-free polarity-ka ayaa ka dhigaysa kuwo dabacsan.
Q10: Waa maxay heerka dhexgalka hadda ee capacitors filimada ee rogoyaasha wadne koronto?
A: In 2022, awoodda rakibay ee capacitor-ku salaysan film inverters gaaray 5.1117 million units, xisaabaadka 88.7% ee wadarta awoodda rakiban ee hababka kontoroolka korontada. Shirkadaha ugu waaweyn sida Tesla iyo Nidec waxay ku xisaabtameen 82.9%.
Q11: Waa maxay sababta capacitors filimada sidoo kale loo isticmaalo rogoyaasha photovoltaic?
J: Shuruudaha loogu talagalay isku halaynta sare iyo nolosha dheer waxay la mid yihiin kuwa ku jira codsiyada baabuurta, waxayna sidoo kale u baahan yihiin inay u adkeystaan isbeddellada heerkulka dibadda.
Q12: Sidee taxanaha MDP wax uga qabtaa arrimaha walaaca danabka ee wareegyada SiC?
J: Naqshadeeda hoose ee ESR waxay yaraynaysaa beddelka xad-dhaafka ah, waxay hagaajinaysaa dv/dt adkeysiga 30%, waxayna yaraynaysaa khatarta jabka korantada.
S13: Sidee taxanahani u sameeyaa heerkul sare?
A: Isticmaalka qalab xasiloon heerkul sare iyo qaab-dhismeed kuleyl ah oo hufan, waxaan hubineynaa heerka qudhunka ee ka yar 5% at 125 ° C.
Q14: Sidee taxanaha MDP u gaadhaan yaraynta?
A: Tiknoolajiyada cusub ee filimada khafiifka ah waxay kordhisaa awoodda halbeeg kasta, taasoo keentay cufnaanta awoodda oo ka sarreysa celceliska warshadaha, taas oo awood u siinaysa naqshadaha wadista koronto ee is haysta.
Q15: Qiimaha bilowga ah ee capacitors filimku wuu ka sarreeyaa kan korantada korantada. Miyay bixiyaan faa'iido kharash ka badan wareegga nolosha?
J: Haa. Capacitors filimku waxay socon karaan ilaa nolosha baabuurka iyada oo aan la bedelin, halka capacitors electrolytic ay u baahan yihiin dayactir joogto ah. Mustaqbalka fog, capacitors filimku waxay bixiyaan kharash yar oo guud.
Waqtiga boostada: Oct-14-2025