Kwixesha elitsha lamandla, ukukhula ngokukhawuleza kweenkqubo zamandla kuye kwakhokelela ekuphuhlisweni ngokukhawuleza kweenkqubo zokugcina amandla.
Kwiinkqubo zokugcina amandla, iimfuno zamandla kunye nesantya sokuphendula kwezinto eziphambili (ezifana nee-inverters, ii-converters, iinkqubo zolawulo lwebhetri, njl.njl.) ziyanda rhoqo, nto leyo ebangela umngeni omkhulu kwiinxalenye ze-elektroniki. Ii-capacitors ezinentsebenzo engcono, uxinano olukhulu lwamandla kunye nozinzo oluqinileyo ziyafuneka ukuxhasa iinkqubo zokugcina amandla ukuze zigcine uzinzo oluhle kakhulu kunye nokuthembeka kwiindawo ezahlukeneyo.
INXALENYE.01 I-inverter yokugcina amandla
Indima ye-inverter kwinkqubo yokugcina amandla ikakhulu kukuguqulwa kwamandla, ulawulo kunye nonxibelelwano, ulawulo lwamandla, njl. Isebenzisa ikakhulu ii-capacitors ezinoxinano oluphezulu lwe-capacitance, ukumelana nombane we-ripple kunye nokumelana nombane ophezulu ukudlala indima yokuzinzisa kunye nokucoca i-voltage, ukugcinwa kunye nokukhululwa kwamandla, kunye ne-DC pulsation egudileyo.
Ii-capacitors ze-YMIN zineempawu ezilandelayo kwi-inverter:
Iingenelo zobuninzi obuphezulu:
Ekupheleni kokufakwa kwe-micro-inverter, kuyimfuneko ukufumana amandla ombane aveliswa sisixhobo samandla ahlaziyekayo. Ezi ntlawulo kufuneka ziguqulwe yi-inverter ngexesha elifutshane. Iimpawu zee-capacitors ze-YMIN ezinomthamo ophezulu zinokuthwala iintlawulo ezingaphezulu ngomthamo ofanayo, zifunxe inxalenye yamandla ombane, ziphucule ukusebenza kakuhle kokuguqulwa, kwaye zifezekise ukuguqulwa ukusuka kwi-DC ukuya kwi-AC.
Ukumelana okuphezulu kombane ojikelezayo:
Xa i-inverter isebenza, umbane oveliswa kwisiphelo sayo sokukhupha unokuba nenani elikhulu lezinto ezihambelanayo, eziya kuba nefuthe elibi kwisiphelo sokusetyenziswa kwegridi yamandla. Ii-capacitors zesihluzi se-YMIN zinokunciphisa ngokufanelekileyo umxholo we-harmonic kwisiphelo sokukhupha kwaye zihlangabezane neemfuno zomthwalo zamandla e-AC asemgangathweni ophezulu.
Iingenelo ze-voltage ephezulu yokumelana:
Ngenxa ye-voltage engazinzile ye-photovoltaic output, izixhobo ze-power semiconductor kwi-inverter ziya kuvelisa i-voltage kunye ne-current spikes ngexesha lenkqubo yokutshintsha. Ii-capacitors ze-YMIN zinenzuzo ye-voltage ephezulu yokumelana, enokufunxa ezi spikes, ikhusele izixhobo zamandla, yenze utshintsho lwe-voltage kunye ne-current lube lula, inciphise ukulahleka kwamandla, kwaye iphucule ukusebenza kakuhle kwe-inverter.
Iingenelo zokukhetha kunye neengcebisoIi-capacitor ze-aluminium ezizixhasayo ze-YMIN substrate:
I-ESR ephantsi, ukumelana nokuvuvukala okuphezulu, ubungakanani obuncinci:
Iingenelo kunye neengcebiso zokukhethaIi-capacitor ze-electrolytic ze-aluminium ezingamanzi ze-YMIN:
Umthamo owaneleyo, ukuhambelana okuhle kweempawu, ukungasebenzi kakuhle, ukumelana okuphezulu kwe-ripple, ubomi obude, i-voltage ephezulu, ubungakanani obuncinci
Iingenelo kunye neengcebiso zokukhethaIi-capacitor ze-electrolytic ze-aluminium ze-YMIN ezingamanzi:
Ukunciphisa amandla, amandla amakhulu, ukumelana namaza aphezulu, kunye nobomi obude:
Iingenelo kunye neengcebiso zeI-YMIN supercapacitorukhetho:
Ukumelana nobushushu obubanzi, ubushushu obuphezulu kunye nokufuma okuphezulu, ukumelana okuphantsi kwangaphakathi, ubomi obude
Iingenelo kunye neengcebiso zokukhethaIimodyuli ze-YMIN supercapacitor:
Ukumelana nobushushu obubanzi, ubushushu obuphezulu kunye nokufuma okuphezulu, ukumelana okuphantsi kwangaphakathi, kunye nobomi obude
INXALENYE.02 Isiguquli sokugcina amandla
Kwinkqubo yokugcina amandla, xa ibhetri kunye negridi zidibana, i-converter kufuneka yenze i-AC/DC conversion ukuze igqibezele ukuhamba kwamandla okuya kwicala elinye. Ukongeza, inokulawula ubungakanani bangoku kwaye ilungise amandla. Ii-capacitors zinokubonelela nge-voltage output ezinzileyo kwi-converter, ziphucule amandla enkqubo, kwaye zonyuse ukusebenza kakuhle kunye nokuzinza kokusebenza kwe-converter.
Ii-capacitors ze-YMIN zineempawu ezilandelayo kwi-converter:
Ayimelani nempembelelo ephezulu yamandla ombane:
Ii-capacitors ze-YMIN zifunxa umsinga ophezulu we-pulse oveliswa yi-converter ukusuka kwisiphelo se-DC-Link ukuze kufezekiswe uhlengahlengiso oluchanekileyo lwamandla okukhupha ukuze kuhlangatyezwane neemfuno zeemeko ezahlukeneyo. Ngokwenza isekethe yokutshaja, ithintela ukuchaphazela kakhulu umbane wokufaka kunye nomthwalo ngexesha lokuqalisa okuthambileyo.
I-voltage ephezulu kakhulu yokumelana nayo:
Iimpawu ze-voltage ezimelana nombane eziphezulu kakhulu zee-capacitors ze-YMIN zingasetyenziswa njengezixhobo zokukhusela ukukhusela izixhobo ze-elektroniki ezibuthathaka ekonakaleni xa kuveliswa ii-voltage spikes ngexesha lokusebenza kwe-converter, ukuze i-converter yokugcina amandla ikwazi ukubonelela ngenkxaso ye-voltage ezinzileyo kunye ne-frequency yegridi kwaye iqinisekise ukusebenza okuzinzileyo kwenkqubo.
Umthamo omkhulu:
Ii-capacitor ze-YMIN zinokugcina amandla ombane kwaye zinikeze amandla ombane aqhubekayo kwinkqubo yokuguqula xa i-voltage yegridi itshintsha kakhulu okanye xa umbane ucinyiwe, okuqinisekisa ukusebenza okuqhelekileyo kwenkqubo yokuguqula. Kwimithwalo ye-inductive efana neemoto, ii-capacitors zinokubonelela ngembuyekezo yamandla asebenzayo, ukuzinzisa i-voltage, kunye nokuphucula ukusebenza kwemveliso yemoto.
Iingenelo zokukhetha kunye neengcebisoIi-capacitor ze-aluminium ezizixhasayo ze-YMIN substrate:
I-ESR ephantsi, ukumelana nokuvuvukala okuphezulu, ubungakanani obuncinci:
Iingenelo kunye neengcebiso zokukhethaIi-capacitors zefilimu ze-YMIN:
Iimveliso zesiqhelo zepini, i-ESR ephantsi:
INXALENYE.03 Inkqubo yoLawulo lweeBhetri
Inkqubo yolawulo lwebhetri sisixhobo esijonga imeko yeebhetri zokugcina amandla. Isetyenziswa kakhulu ukulawula nokugcina iyunithi nganye yebhetri ngobulumko; ukuthintela ibhetri ekutshajeni kakhulu nasekukhupheni kakhulu, kunye nokwandisa ubomi bebhetri. I-capacitor idlala indima yokucoca, ukugcina amandla, ukulinganisela i-voltage kunye nokuqalisa ukuthamba ukuthintela impembelelo yombane ogqithisileyo kwezinye izinto ze-elektroniki ngexesha lokuqalisa, kunye nokwandisa ubomi benkonzo yezinto.
Ii-capacitors ze-YMIN zineempawu ezilandelayo kwinkqubo yolawulo lwebhetri:
Amandla okumelana nomsinga omkhulu we-ripple:
Iisekethe ezikwinkqubo yolawulo lwebhetri ziya kuvelisa imiqondiso yengxolo yeefrikhwensi ezahlukeneyo. Ii-capacitors ze-YMIN zinokuhluza ezi ngxolo kwaye ziphucule ukuthembeka kunye nokuzinza kwenkqubo.
Ukumelana okunamandla okugqitha kwamandla ombane:
Ii-capacitor ze-YMIN zinokudityaniswa ngaxeshanye kuzo zombini iziphelo zebhetri nganye. Ngeempawu zazo zokutshaja nokukhupha, zinokuvala iibhetri ngee-voltage eziphezulu ukunciphisa ii-voltage zazo, kwaye zitshaje iibhetri ngee-voltage eziphantsi ukwandisa ii-voltage zazo, ngaloo ndlela zifezekisa ibhalansi ye-voltage phakathi kweebhetri ezikwi-pack yebhetri.
Umthamo omkhulu:
Xa umthwalo kwinkqubo yolawulo lwebhetri ufuna umbane omkhulu ngoko nangoko, ii-capacitors ze-YMIN zinokukhulula ngokukhawuleza amandla agciniweyo ukuhlangabezana neemfuno zomthwalo ngoko nangoko. Ingasetyenziswa njengesekethe yokukhusela ukubonelela ngenkxaso yamandla yexesha elifutshane kwiisekethe eziphambili, ukuqinisekisa ukuba isekethe yokukhusela isebenza ngokuqhelekileyo, kwaye inqumle unxibelelwano phakathi kwebhetri nomthwalo ngexesha.
I-YMIN solid-liquid hybrid capacitoriingenelo kunye neengcebiso zokukhetha:
Ubomi obude, i-ESR, uxinano oluphezulu lwe-capacitance, ukumelana nombane we-ripple, uzinzo lobushushu obubanzi, ukutshayiswa kombane ophezulu kunye nokumelana nomlilo ophezulu, ukuvuza okuphantsi komsinga kuhambelana neemfuno ze-AEC-Q200
Iingenelo kunye neengcebiso zokukhethaIi-capacitor ze-chip ze-YMIN ezingamanzi:
Ibhityile, inomthamo ophezulu, i-impedance ephantsi, kunye nokumelana okuphezulu kwe-ripple
I-YMIN liquid lead capacitoriingenelo kunye neengcebiso zokukhetha:
Ukumelana nobushushu obuphezulu, ubomi obude, ukungasebenzi kakuhle, ukumelana nobunzima obuphezulu
Shwankathela
Ii-capacitor ze-YMIN zikhanya kwiinkalo zee-inverters, ii-converters, iinkqubo zolawulo lwebhetri, njl.njl. zeenkqubo zokugcina amandla ngeempawu zazo ezibalaseleyo, ziphucula uzinzo kunye nokuthembeka kweenkqubo zokugcina amandla kwaye zonyusa ukusetyenziswa kwamandla ngokufanelekileyo. Ziluncedo kakhulu kwiinkqubo zamandla zangoku.
Ixesha leposi: Feb-18-2025