Ukuqonda okungu-Electric: Ukuzilungiselela i-Silicon elawulwa ama-rexifers (SCRS)
2024-05-24 6206

Umsebenzi olawulwa yi-Silicon olawulwa ama-silc (SCRS) njengokushintshwa kwamandla okulawula kwamandla ku-elekthronikhi yanamuhla.Zikhonjwe ngophawu lwazo oluhlukile, olubandakanya i-extrate esele ukuphela kwesango elivumela ukugeleza kwamanje.Ukuqonda ngokuphelele ama-SCRS kunika amandla ukuhlanganiswa kwawo okusebenzayo emiklamo kagesi.Le ndima ye-POPTS ihlela ukwakhiwa okuningiliziwe kwama-SCRS, kuhlolisise ungqimba ngalunye kanye nezinto ezisetshenzisiwe.Ichaza izindlela zokusebenza, kufaka phakathi ukuthi kudala kanjani iSango Layinalithi lilawula ukuhamba kwamanje.Amaphakethe ahlukahlukene we-SCR nawo axoxwa, avela eMpumalanga eMkhakheni kuya ezinhlotsheni ezisebenzayo, enikeza ukuqonda okusebenzayo ekukhetheni okulungile kwezicelo ezithile.Ngokulandela lo mhlahlandlela, uzobe uhlomele ukuthola izikrini ezinhlelweni ezinhlelweni ezithuthukile ze-elekthronikhi ngempumelelo.

Namabhuku

Umdwebo 1: Scr Symbol kanye nama-terminals awo

Silicon elawulwa uphawu olunendatshana

I-silicon elawulwa ngohlelo lweRectifier (SCR) ifana nophawu lwe-dide kodwa ifaka i-ukuphela esele isango.Lo mklamo uqokomisa amandla we-spl okuvumela ukuthi okwamanje ukugeleza kuhlanzayo olulodwa-kusuka ku-anode (a) kuya e-cathode (a) -Ukukuvimba ngakolunye uhlangothi.Izikhungo ezintathu ezibalulekile yilezi:

I-Anode (a): I-terminal lapho ingena khona manje lapho uScr edlulile - enobandlululo.

ICHODE (K): I-ukuphela lapho ukuphuma khona kwamanje.

Isango (g): I-terminal yokulawula edala i-SCR.

Uphawu lwe-SPS lusetshenziselwa ama-thyristitors, anezimpawu ezifanayo zokushintsha.Izindlela zokucwaninga nezindlela zokulawula zincike ekuqondeni uphawu.Lolu lwazi oluyisisekelo lubalulekile ngaphambi kokuhlola ukwakhiwa kwensiza nokusebenza, okunika amandla ukusetshenziswa ngempumelelo emibuthanweni ehlukahlukene kagesi.

I-Silicon yalawulwa ukwakhiwa kokulungisa okuyikho

I-silicon elawulwa yiRectifier (SCR) idivaysi enama-semiconductor amane aphenya ngezinto zohlobo lwe-P-TYPER NO, zakha amahlandla amathathu: J1, J2, ne-J3.Ake sihlukanise ukwakhiwa kwayo kanye nokusebenza ngokuningiliziwe.

Ukwakheka kwesendlalelo

Izendlalelo zangaphandle: Izendlalelo zangaphandle ze-P ne-N zigcwele ukungcola ukuze zikhulise ukuqina kukagesi nokunciphisa ukumelana.Le doping esindayo ivumela lezi zingqimba ukuthi zihambise kahle amasondo aphezulu, zithuthukise ukusebenza kwe-spl ekuphatheni imithwalo enkulu yamandla.

Izendlalelo eziphakathi: Izendlalelo zangaphakathi ze-P ne-N zidonswa kalula, okusho ukuthi zinokungcola okumbalwa.Lokhu kukhanya okukhanyayo kubalulekile ukulawula ukuhamba kwamanje, ngoba kunika amandla ukwakheka kwezindawo zokuphambanisa kwezindawo ngaphakathi kwe-semiconductor lapho abathwali benkokhelo yeselula bengekho.Lezi zindawo eziphahlaya ziyikhiye ekuziphatheni kokugeleza kwamanje, okuvumela i-sp ukuze isebenze njenge-switch eqondile.

Umdwebo 2: P no-N ungqimba lweScr

Ukuxhumeka kwesikhumbuzo

I-GAGE BERGINAL: ISango Isikhungo sixhumeka ku-Middle P-Layer.Ukufaka imali encane yamanje kuya esangweni kubangela i-SPS, okuvumela inani lamanje elikhudlwana ukugeleza kusuka ku-anode kuya e-cathode.Uma sekubangelwa, u-BRS uhlala kuvulwa noma ngabe isango liyasuswa, inqobo nje uma kunikezwe amandla anele phakathi kwe-anode ne-cathode.

I-anode terminal: I-anode terminal ixhumeka ku-outer P-ureyer futhi isebenza njengendawo yokungena yamanje yamanje.Kulokuziphatha, i-anode kumele ibe namandla aphezulu kune-cathode, futhi isango kufanele lithole okubangelwa kwamanje.Esimweni esenziwayo, ukugeleza kwamanje kusuka ku-anode ku-sp u-strode kuya eKathode.

I-cathode terminal: I-cathode terminal ixhumeka ku-outer n-urer futhi isebenza njengephoyinti lokuphuma lamanje.Lapho kuqhutshwa khona i-SCR, iChoode iqinisekisa ukugeleza kwamanje ngendlela efanele, kusuka ku-anode kuya eChode.

Umdwebo 3: Isango, Anode, kanye neKathode Ejiya

Ukukhetha Okubonakalayo

I-Silicon ilindelwe ngaphezulu kwe-Germanium ukuze i-SSS CORDORDORT ngenxa yezinzuzo eziningana:

Ukuvuza okuphansi kwamanje: I-Silicon inenqolobane ephansi ephansi, okuholela ekunciphiseni imisinga yokuvuza.Lokhu kubalulekile ukuze kugcinwe ukusebenza kahle kanye nokwethenjwa, ikakhulukazi ezindaweni ezishisa kakhulu.

Ukuqina okuphezulu okushisayo: I-Silicon ingasebenza emazingeni okushisa aphezulu kune-germanium, okwenza kulungele izinhlelo zokusebenza ezinamandla lapho kukhiqizwa khona ukushisa okuphambili.

Izici zikagesi ezingcono: nge-bandgap ebanzi (1.1 eV ye-silicon vs 0.66 eV ye-germanium), i-silicon inikeza ukusebenza okungcono kukagesi, okufana nokukhiqizwa okuphezulu okuphezulu kanye nokusebenza okuqinile ngaphansi kwezimo ezahlukahlukene.

Ukutholakala nezindleko: I-Silicon igcwele futhi ishibhile ukucubungula kune-germanium.Imboni ye-Silicon esungulwe kahle ivumela izinqubo zokukhiqiza ezingenazindleko nezingasebenzi.

Umdwebo 4: Silicon

Kanjani nge-germanium?

I-GermamoniUMIUM inezingqinamba eziningana uma kuqhathaniswa ne-silicon, kwenze kungakulungele ukuthola izinhlelo eziningi.I-Germalium ayikwazi ukubekezelela amazinga okushisa aphezulu ngempumelelo njenge-silicon.Lokhu kukhawulela ukusetshenziswa kwayo ezinhlelweni zamandla aphezulu lapho kukhiqizwa khona ukushisa okubalulekile.Ngemuva kwalokho, i-Germanium ine-orvinsic carric carresic trationration, okuholela emfundweni evuvukala ephakeme.Lokhu kukhulisa ukulahleka kwamandla futhi kunciphise ukusebenza kahle, ikakhulukazi ezimweni zokushisa okuphezulu.Ngaphezu kwalokhu, i-Germanium yasetshenziswa ezinsukwini zokuqala zamadivayisi we-semiconductor.Kodwa-ke, ukulinganiselwa kwalo ekuzinweni okushisayo kanye nokuvuza kwamanje kwaholela ekwandisweni kwe-silicon.Izakhiwo eziphakeme zikaSilicon ziye zakwenza lokho okuthandwayo kwezicelo eziningi ze-semiconductor.

Umdwebo 5: I-germanium

Izinhlobo Zokwakhiwa KweSp

Ukwakhiwa kwePlaman

Ukwakhiwa kwePlaman kungcono kakhulu kumadivayisi aphatha amazinga wamandla aphansi ngenkathi kusanikeza ukusebenza okuphezulu nokwethembeka.

Ezokwakhiwa kwePhanrar, izinto ze-semiconductor, imvamisa i-silicon, zithola izinqubo zokuvumelana lapho ukungcola (dopants) kwethulwa ukuze kwakhiwe izinhlobo ze-P-Type P-and N-Type izifunda.Lawa ma-dopa asetshenziswa endizeni eyodwa, eyisicaba, okuholela ekwakhekeni okufanayo kanye nokulawulwa kwama-juntcents.

Izinzuzo zokwakhiwa kweplanethi zibandakanya ukudala insimu kagesi efanayo ezinsukwini, okunciphisa amandla angenzeka v ariat ion kanye nomsindo kagesi, ngaleyo ndlela kuthuthukise ukusebenza kwensiza kanye nokwethembeka.Njengoba yonke imibukiso yenziwa endizeni eyodwa, inqubo yokukhiqiza ihlelwe, yenza lula i-Photolithography kanye nezinyathelo zokufaka.Lokhu akukunciphisi ukuxaka nokubi kuphela kodwa futhi kuthuthukisa amazinga okuvuthwa ngokwenza kube lula ukululawula ngokungaguquki futhi kuveze izakhiwo ezidingekayo.

Umdwebo 6: Inqubo yePlanethi Scr

Ukwakhiwa kweMesa

I-MESASSSSSSSS yakhelwe izindawo ezinamandla amakhulu futhi zivame ukusetshenziswa ezingcemeni zezimboni ezinjengokulawulwa kwezimoto nokuguqulwa kwamandla.

I-J2 Junction, i-P-N Junction ku-SCR, yenziwe kusetshenziswa ukuguquguquka, lapho ama-athomu dopant angeniswa khona eSilicon Wafer ukwakha izinhlobo zezindawo ezidingekayo ze-P-kanye ne-N-Type izifunda.Le nqubo ivumela ukulawulwa okuqondile kwezakhiwo ze-genction.Izendlalelo zangaphandle ze-P ne-N zakhiwa ngenqubo yokuqalisa, lapho impahla enezinto ezifunwayo incibilika ku-silicon wafer, idale ungqimba oluqinile futhi oluqinile.

Izinzuzo zokwakhiwa kweMesa zifaka amandla azo okuphatha amasondo aphezulu nama-voltages ngaphandle kokuwohloka, ngenxa yezindlela eziqinile ezakhiwe ngokungenisa kanye nokuqalisa.Idizayini eqinile futhi eqinile ithuthukisa umthamo we-SPS ukuphatha amasondo amakhulu kahle, okwenza kuthembeke ngezicelo ezinamandla amakhulu.Ngokwengeziwe, ilungele izinhlelo ezahlukahlukene zamandla aphezulu, ihlinzeka ngokukhetha okuguquguqukayo kwezimboni ezahlukahlukene.

Umdwebo 7: Inqubo ye-MESA SPS

Ukwakhiwa Kwangaphandle

Ukwakhiwa kwangaphandle kwama-SCRS kugxile ekuweni kokuqina, ukuphathwa okusebenzayo okusebenzayo, kanye nokuhlanganiswa kalula ku-Power Electronics.I-anode terminal, imvamisa i-terminal enkulu noma ithebhu, yakhelwe ukuphatha amasondo aphezulu futhi ixhunyiwe ohlangothini oluhle lokunikezwa kwamandla.I-cathode terminal, exhunywe ohlangothini olubi lokuhlinzekwa kwamandla noma ukulayisha, yenzelwe ukuphathwa okuphezulu okuphezulu futhi kumakwe.ISango elibulalayo, elisetshenziselwa ukudala i-SPR libe yinqwaba, livame ukuba lincane futhi lidinga ukuphatha ngokucophelela ukugwema ukulimala kwamanje noma amavoluti.

Izinzuzo zama-SCRS ekwakheni kwangaphandle zifaka ukufaneleka kwazo kwezicelo zezimboni ezinjengezilungiselelo zezimoto, ama-Power Supplies, lapho ziphatha khona amazinga amaningi, lapho bephatha khona amadivaysi amaningi we-semiconductor.Ukwehla kwabo okuphansi kwe-voltage kunciphisa ukuncipha kwamandla, okwenza balungele izinhlelo zokusebenza ezisebenza kahle.Indlela elula yokubangela nge-terminal yesango ivumela ukuhlanganiswa okulula kube lula ukulawula amasekethe nezinhlelo.Ngaphezu kwalokho, ukutholakala kwabo okubanzi kanye nezinqubo zokukhiqiza ezivuthiwe zinomthelela ekusebenzeni kahle kwezindleko.

Ngamafuphi, lapho usebenzisa lezi zinhlobo ezahlukahlukene zezakhiwo ze-SCR, isakhiwo esifanelekile seScr singakhethwa ezimweni ezihlukile.

Ukwakhiwa kwePlaman: Ilungele izinhlelo zokusebenza ezinamandla.Kuyadingeka emijikelezweni edinga ukuncishiswa komsindo kagesi nokusebenza okungaguquki.

Ukwakhiwa kweMesa: Ngezinhlelo zokusebenza zamandla aphezulu, naka izidingo zokuhlanza ukushisa kanye nezidingo zokwakheka okuqinile.Qinisekisa ukuthi i-SCR ingaphatha amazinga alindelekile okulindelekile nawe-voltage ngaphandle kokushisa ngokweqile.

Ukwakhiwa kwangaphandle: phatha ama-terminals ngokucophelela, ikakhulukazi i-terminal yesango.Qinisekisa ukuthi ukuxhumana kuphephile futhi kuklanyelwe ukuphatha ukugeleza okuphezulu okuphezulu kahle.

Umdwebo 8: Inqubo yokwakha yangaphandle

Ukuqonda okusebenzayo

Ukwakheka kwezingqimba ezine kwe-SSS kwakha ukucushwa kwe-NPNP noma kwe-PNPN, kwakha i-Loop ReveneBate RevenucUkususa i-SPS, faka indawo encane yamanje kuya kwisiginali sesango, eqala ukuwohloka kwe-J2 Junction futhi uvumele okwamanje ukugeleza kusuka ku-anode uye e-cathode.Ukuphathwa kokushisa okusebenzayo kubalulekile kuma-SCRS anamandla amakhulu, futhi kusetshenziswa ukwakhiwa kwamaphakethe wokushisa ngokuxhumeka okuqinile okunamandla, ukuvimbela ukugijima okushisayo kanye nokwenza ngcono ukuthuthuka kwensiza.

Umdwebo 9: I-NPN ne-PNP

Izindlela zokuqala ze-silicon elawulwa inqubo

I-silicon elawulwa ngendlela eqondile (i-SCR) esebenza ngezindlela ezintathu zamabanga aphansi: Ukuvinjwa phambili, ukudlulisela phambili ukuhunyushwa, nokubuyisa emuva.

Imodi yokuvimbela phambili

Kumodi yokuvimba phambili, i-anode iyisihlobo esihle se-cathode, futhi i-terminal yesango ishiywe ivulekile.Kulesi simo, ukugeleza okuncane okuvuzayo kuphela ku-SPS, ukugcina ukumelana okuphezulu nokuvimbela ukugeleza kwamanje okubalulekile.U-BRS uziphatha njenge-switch evulekile, evimba yamanje kuze kube yilapho i-voltage esetshenzisiwe idlula i-voltage yayo yokuqhekeka.

Umdwebo 10: Flow str

Phambili imodi yokudlulisela

Kumodi yokudlulisa phambili, i-SCR iqhuba futhi isebenze ku-Off State.Le modi ingatholakala ngokwandisa ama-voltage we-Forport BIAS ngaphezu kwe-voltage kagesi noma ukusebenzisa i-voltage enhle kwi-ukuphela kwesango.Ukwandisa i-voltage ye-BIAS ye-Forward idala ukuhlangana ukuze kwenziwe ukuwohloka kwe-avalanche, okuvumela amanje ebalulekile ukugeleza.Ngezicelo eziphansi ze-voltage, ukusebenzisa i-Voral Voltage esebenzayo kusebenza kakhulu, kuqalwa ukwenziwa kwe-PRV ngokwenza i-BRV phambili.Lapho u-stud eqala eqhuba, ihlala kulesi simo inqobo nje uma okwamanje idlula ukubamba (il).Uma ukuwa kwamanje ngaphansi kwaleli zinga, i-sp sp ibuyela esimweni sokuvinjwa.

Umdwebo 11: I-Con

Imodi yokuvimba emuva

Kwindlela yokuvimba emuva, i-cathode iyisihlobo esihle se-anode.Lokhu kucushwa kuvumela ukuvuza okuncane kwamanje kwa-SPS, okunganele ukuyivula.I-SP igcina isimo esiphakeme sokuphazamiseka futhi isebenza njenge-switch evulekile.Uma i-voltage eguquguqukayo idlula i-voltage ye-breakdown (VBR), i-BRI ye-avalanche yokwephuka, ukukhulisa kakhulu i-reverse yamanje futhi elimaza insiza.

Umdwebo 12;I-SCR Reverse Imodi yokuvimba

Izinhlobo ezahlukahlukene ze-SCRS kanye namaphakheji

I-Silicon elawulwa ama-rexifiers (ama-SCRS) eza ezinhlotsheni ezahlukahlukene namaphakeji, ngalinye lihlelwe ngezicelo ezithile ezisuselwa ekuphatheni kwamanje nokusebenza kwamandla, ukuphathwa kwezinketho ezishisayo.

Upulasitiki

Amaphakheji epulasitiki e-discrete afaka izikhonkwane ezintathu ezivela e-semiconductor efakwe epulasitiki.Lawa ma-planethi enhlansi ajwayele ukusekelwa ku-25A ne-1000V.Zenzelwe ukuhlanganiswa okulula kumasekethe anezakhi eziningi.Ngesikhathi sokufakwa, qinisekisa ukuqondanisa kwe-PIN efanele kanye nokuthengisa okuphephile kwi-PCB ukugcina ukuxhumana okuthembekile kukagesi nokuqina okushisayo.Lezi zikrini zilungele izicelo eziphansi kumandla aphakathi nendawo lapho usayizi ohlangene kanye nokusebenza kwezindleko kubalulekile.

Imodyuli yepulasitiki

Amamojula epulasitiki aqukethe amadivaysi amaningi ngaphakathi kwemodyuli eyodwa, okusekela ama-current afinyelela ku-100a.Lawa mamojula athuthukisa ukuhlanganiswa kwesekethe futhi angaqokwa ngqo ekushiseni okushisayo kokuphathwa okuthuthukile kwe-thermal.Lapho ubeka, faka ungqimba olungaze lube nengxenye ye-thermal phakathi kwemodyuli kanye nokushisa okushisayo ukuze kuthuthukiswe ukushiyeka kokushisa.Lawa mamojula alungele izinhlelo zokusebenza eziphakathi nendawo eziphakeme lapho isikhala kanye nokusebenza kahle kwe-Thermal kubalulekile.

Isisekelo Sokufunda

I-Stud Base SCRS ifaka isisekelo esifakiwe sokwenziwa okuphephile, ukuhlinzeka ngokumelana okuphansi okushisayo nokufakwa okulula.Basekela ama-currents asukela ku-5A kuya ku-150a ngamakhono agcwele amagesi.Kodwa-ke, lezi zikrini azikwazi ukwahlukaniswa kalula kusuka ekushiseni kokushisa, ngakho-ke cabanga ngalokhu ngesikhathi sedizayini eshisayo ukugwema ukuxhumana kagesi okungahlosiwe.Landela imininingwane efanelekile ye-torque lapho uqinisa i-Stud ukugwema ukulimala futhi uqinisekise ukuxhumana okushisayo okushisayo.

Umdwebo 13: Isisekelo se-scr stud ngebanga lenombolo

Isisekelo sefulethi

I-Flat Base SCRS inikeza ukukhululeka okulula nokumelana okuphansi okushisayo kwesizinda sezisekelo se-Stud kepha kufaka phakathi ukufakwa kukagesi ukwahlukanisa i-spr kusuka echibini lokushisa.Lesi sici sibalulekile kuzinhlelo zokusebenza ezidinga ukwehlukaniswa kukagesi ngenkathi kugcinwa ukuphathwa okusebenzayo okushisayo.Lawa ma-SCRS asekela ama-curns phakathi kwe-10a no-400a.Ngesikhathi sokufakwa, qinisekisa ungqimba lokufakelwa luhlala luqinile futhi lungafanele lube khona ukuhlukaniswa ngogesi.

Cindezela Pack

I-Press Pack SCRS yenzelwe i-High-Yamanje (200a nangokungenhla) kanye nezicelo eziphakeme ze-voltage (zidlula i-1200V).Zifakwe emvilophini ye-ceramic, ihlinzeka ngokwahlukaniswa okungcono kakhulu kukagesi nokumelana okuphezulu okushisayo.Lezi zikrini zidinga ingcindezi eqondile yemishini yokuqinisekisa ukuthintana ngogesi okufanelekile kanye nokuvuselelwa okushisayo, okucatshangelwe kutholakala kusetshenziswa ama-clamp aklanywe ngokukhethekile.I-Curamic Casing ibuye ivikele idivaysi ekucindezelekeni kwemishini kanye nokuhamba ngebhayisikile okushisayo, kubenza balungele izinhlelo zokusebenza zezimboni kanye namandla aphezulu lapho ukuthembeka khona nokuqina kubaluleke kakhulu.

Ukuqonda Okusebenzayo Ukuqonda:

Lapho usebenza ngezikrini zepulasitiki ezi-discrete, gxila ekuqondiseni kwephini eqondile kanye nokuthengisa okuphephile kokuxhumeka ezinzile.Okwemamojula epulasitiki, qinisekisa ukusetshenziswa kwe-thermal compact for accural Heat dissipation.Nge-Stud Base SCRS, landela ukucaciswa kwe-torque ukugwema ukulimala futhi kufezeke oxhumana naye ophumelelayo.Okwe-FLAT Base SCRS, gcina ubuqotho bongqimba lokufakelwa ukuze uqinisekise ukwehlukaniswa kukagesi.Okokugcina, ngama-Press Pack SCRS, sebenzisa ingcindezi efanelekile esetshenziswayo usebenzisa ama-clamp ekhethekile ukuqinisekisa ukuthintana okufanele nokuphathwa kokushisa.

I-Silicon ilawula indlela yokuvula eyinkomba

Umdwebo 14: QAPHELA Ukuvula

Ukuze kusebenze ukwenziwa kwe-SC

Qala ngokuqinisekisa isango neChode kuxhumeke kahle kwisekethe, ukuqinisekisa ukuthi konke ukuxhumana kuvikelekile ukugwema noma yiluphi oxhumana nabo abakhululekile noma abangalungile.Gada womabili amazinga okushisa akhona kanye namageyimu, njengoba amazinga okushisa aphezulu angathinta ukusebenza kwe-spl, adinga izindlela zokupholisa noma zokunciphisa ukushisa.

Ngemuva kwalokho, qala ukusebenzisa isango elilawulwayo lamanje (IG) usebenzisa umthombo oqondile wamanje, kancane kancane wanda i-IG ukuvumela ushintsho olubushelelezi kanye nokuqapha okulula kwempendulo ye-BRV.Njengoba i-IG inyuka kancane kancane, qaphela ukunyuka kokuqala ku-anode yamanje, okukhombisa ukuphendula kwesango esangweni lamanje.Qhubeka nokwandisa i-IG kuze kubhekwe isenzo sokuvuselela kabusha, kumakwe ukukhuphuka okukhulu ku-anode yamanje, okubonisa ukuthi i-sts ifaka imodi yokutholwa.Gcina isango livame ukwenele ngokwanele ukuze lisekele ukukhishwa ngaphandle kokukhipha ngokweqile isango ukuvikela ukuncipha kwamandla okungadingekile kanye nomonakalo ongaba khona.Qinisekisa ukuthi i-voltage efanelekile isetshenziswa phakathi kwe-anode ne-cathode, ukuqapha leli voltage ukugwema ukudlula iphuzu lokuqhekeka ngaphandle kokuthi kudingeke ngamabomu kwizicelo ezithile.

Ekugcineni, qinisekisa ukuthi i-st sp iye yangena kwimodi yokudlulisela, lapho izohlala khona noma ngabe isango liyancipha.Uma kunesidingo, yehlisa isango elikhona (i-IG) ngemuva kokuqinisekisa i-SPR iye yathutha, ngoba izohlala lapho i-anode kuze kube yilapho i-anode yamanje engezansi kweleveli yamanje.

I-Silicon ilawula indlela yokuvala eyindilinga

Umdwebo 15: Ukucisha i-Scr

Ukucima i-Silicon elawulwa inqubo (SCR) kubandakanya ukunciphisa i-anode yamanje engezansi kweleveli yamanje, inqubo eyaziwa ngokuthi ukuhanjiswa.Kunezinhlobo ezimbili eziyinhloko zokuya esifundweni: zemvelo futhi eziphoqelelwe.

Ukuhanjiswa kwemvelo kwenzeka lapho ukunikezwa kwe-AC ngokwemvelo kuwela ku-zero, okuvumela i-sp ukucima.Le ndlela ifana nezemibuthano ye-AC lapho amanje awela khona zero ngezikhathi ezithile.Ngamagama asebenzayo, ake ucabange umjikelezo we-AC lapho ama-voltage kanye nama-waveforms akhona afinyelela ku-zero.Njengoba izindlela zamanje zero, i-sts iyayeka ukwenza futhi icime ngokwemvelo ngaphandle kokungenelela kwangaphandle.Lokhu kuvame ukubonwa kuzinhlelo zokusebenza ezijwayelekile ze-AC.

Ukuxoshwa okuphoqelekile kunciphisa i-anode yamanje ukucisha i-stSS.Le ndlela iyadingeka kwimibuthano ye-DC noma izimo lapho okwamanje kungaweli ngokwemvelo ku-zero.Ukufeza lokhu, isifunda sangaphandle okwesikhashana siphambukisa amanje kude noScr noma wethula ukukhetha okubuyisela emuva.Isibonelo, kwisekethe ye-DC, ungasebenzisa umjikelezo wokuhamba okubandakanya izakhi ezinjengama-capacitors kanye ne-inductors ukudala amandla okuguqula umzuzwana kulo lonke uScr.Lesi senzo siphoqa i-anode yamanje ukwehla ngaphansi kwezinga lokubamba, ukucisha i-stSS.Le ndlela idinga isikhathi esinembile nokulawula ukuqinisekisa ukusebenza okuthembekile.

Izinzuzo ze-silicon zilawulwa yirectifier

Ukusebenza kahle okuphezulu nokusebenza okungenamqondo

Abakwa-SCRS basebenza ngaphandle kwezakhi zemishini, kuqeda ukungqubuzana nokugqoka.Lokhu kuphumela ekusebenzeni okungenamqondo futhi kuthuthukise ukwethenjwa nokuphila isikhathi eside.Lapho ifakwe ukushisa okulungile, ama-SCRS aphathe kahle ukushisa kokushisa, egcina ukusebenza kahle kwezicelo ezahlukahlukene.Cabanga ukufaka i-spUkusebenza okuthule kwe-sp kuba nenzuzo enkulu.Ngaphezu kwalokho, ngesikhathi sokusebenza okunwetshiwe, ukungabikho kokugqoka kwemishini kunomthelela ezidingweni ezimbalwa zokulungisa kanye nesikhathi esijana sokuphila.

Isivinini esikhulu kakhulu sokushintsha

AbakwaScrs bangavula futhi bavale ngaphakathi kwama-nanoseconds, benze balungele izinhlelo zokusebenza ezidinga izikhathi zokuphendula ngokushesha.Lokhu kushintsha okusheshayo okuvumayo kuvumela ukulawulwa okuqondile kokulethwa kwamandla ezinhlelweni eziyinkimbinkimbi ze-elekthronikhi.Isibonelo, ekunikezelweni kwamandla afudumele aphezulu, amandla okushintsha ngokushesha aqinisekisa ukuthi uhlelo lungaphendula ezimweni zomthwalo cishe ngasikhathi sinye, silondoloze ukuphuma okuzinzile.

Ukuphatha ama-voltage aphezulu kanye nezilinganiso zamanje

AbakwaScrs badinga isango elincane kuphela lokulawula ama-voltages amakhulu nemisinga, kubenza basebenze kahle kakhulu ekuphathweni kwamandla.Bangakwazi ukuphatha imithwalo yamandla aphezulu, kubenze balungele izinhlelo zokusebenza zezimboni lapho kuvame khona amandla kagesi ajwayelekile.

Usayizi ohlangene

Ubukhulu obuncane be-SCRS buvumela ukuhlanganiswa okulula kube amacebo ahlukahlukene wesifunda, ukuthuthukisa ukuguquguquka kwezimo.Imvelo yabo eqinile futhi eqinile iqinisekisa ukusebenza okuthembekile esikhathini eside, ngisho nasezimweni ezifunwayo.Ngamagama asebenzayo, lokhu kusho ukuthi ephanelini yokulawula egcwele kakhulu, ama-SCRS angafakwa kalula ngaphandle kokudinga isikhala esibalulekile, avumela ukwakheka okuthe xaxa nokusebenza kahle.

Okubi kwe-silicon elawulwa inqubo

Ukugeleza Kwamanje

I-SCRS iqhuba okukhona kuphela endaweni eyodwa, okwenza ukuthi ingakulungele izinhlelo zokusebenza ezidinga ukugeleza kwamanje kwe-bitirectional.Lokhu kukhawulela ukusetshenziswa kwazo kumasekhethi e-AC lapho kudingeka khona ukulawulwa kwe-bidirectional, njengasezisekelweni ze-inverter noma e-AC motor drive.

I-Gate Yamanje Yesidingo Samanje

Ukuvula i-spLokhu kwandisa ubunzima kanye nezindleko zohlelo lonke.Kuzinhlelo zokusebenza ezisebenzayo, ukuqinisekisa ukuthi isango liyahlinzekwa ngokwanele kubandakanya ukubalwa okuqondile kanye nezinto ezithembekile zokugwema ukwehluleka okubangela.

Ukushintsha isivinini

AbakwaScrs banesivinini esisheshayo esishintsha kancane uma siqhathaniswa namanye amadivaysi emi-semiconductor afana nabakhi be-transistors, abenze balungele izinhlelo zokusebenza ezivame kakhulu.Ngokushintsha kwamandla okushintsha okuphezulu, ngokwesibonelo, ijubane lokushintsha kancane lakwaSCRS lingaholela ekusebenzeni kungasebenzi kahle kanye nezidingo zokuphathwa kwe-thermal.

Isikhathi sokucisha

Uma usuvuliwe, ama-SCRS ahlala eqhuba kuze kube yilapho amanje ewa ngaphansi komkhawulo othile.Lesi sici singaba yinkinga emisipha lapho kudingeka khona ukulawulwa kwe-Turn Off isikhathi, njengasezingeni elilawulwa esigabeni.Ama-opharetha ngokuvamile adinga ukuklama imibuthano yokuhamba eyinkimbinkimbi ukuphoqa i-SPS ukucisha, engeza ekubumbeni kohlelo lonke.

Ukuvimbela Ukushisa

Abakwa-SCRS bakhiqiza ukushisa okubalulekile ngesikhathi sokusebenza, ikakhulukazi lapho uphatha amasondo aphezulu.Izindlela ezanele zokupholisa kanye nokushisa kwezindlela zokuhlanza, ezinjenge-heatsinks kanye nabalandeli bokupholisa, bayadingeka.

Umphumela wokufaka

Ngemuva kokuthi kuvulwe i-spOkwamanje kufanele kuncishiswe ngaphandle ngaphansi kokubamba okwamanje ukucisha i-stSS.Lokhu kuziphatha kuhlanganisa ukulawula ukujikeleza, ikakhulukazi ezisetshenziselwa ukulayisha okuguqukayo lapho ukugcina ukulawulwa okuqondile kwamazinga wamanje kubalulekile.Ezimweni ezinjalo, onjiniyela kufanele bakha amasekethe anganciphisa ngokwethembekile lapho kudingeka khona ukucisha i-SCR.

Izidingo Zokuhambisa

Emijikelezweni ye-AC, ama-SCRS adinga ukuhanjiswa (acishwe) ekugcineni komjikelezo ngamunye, adinga eminye imibuthano yokuhamba, njengezindawo zokuphumula noma amasu wokuhamba aphoqelelwe.Lokhu kwengeza ukuxaka nezindleko ohlelweni.

Ukuzwela ku-DV / DT ne-DI / DT

Abakwa-SCRS bazwela izinga lokushintshwa kwamandla kagesi (i-DV / DT) kanye namanje (di / dt).Izinguquko ezisheshayo zingadala i-spl ngokweqile, zidinga ukusetshenziswa kwemibuthano ye-Snubber ukuze zivikele kule micimbi.Abaqambi kumele baqinisekise ukuthi imibuthano ye-SNUBER ihlukaniswe kahle futhi yalungiselwa ukuvimbela ukubangela okungamanga, ikakhulukazi ezindaweni zikagesi ezinomsindo.

Ukuzwela komsindo

AbakwaScrs bangazwela umsindo kagesi, okungadala ukubangela okungamanga.Lokhu kudinga ukwakheka ngokucophelela kanye nezinto ezengeziwe zokuhlunga, njenge-capacitors kanye ne-inductures, ukuqinisekisa ukusebenza okuthembekile.

Ukugcina

Ukuqonda ama-SCRS kufaka phakathi ukuhlola izimpawu zabo, izingoma zezinto, ukuxhumana okubulalayo, kanye nokukhetha izinto ezibonakalayo, ukugqamisa ukunemba kwawo ekuphatheni amasondo aphezulu nama-volitages.Amaphakethe we-Spr ahlukene, kusuka kupulasitiki e-discreet ukucindezela iphakethe, anakekele izinhlelo ezithile, agcizelela ukufakwa okufanele nokuphathwa okushisayo.Izimo ezisebenzayo zokuvimba, ukudlulisela phambili, kanye nokuvinjwa okuvinjelwe - Khombisa amandla abo okulawula amandla okucushwa kwamasekethe ahlukahlukene.I-Mastering Sp activation kanye namasu wokungenisa amandla aqinisekisa ukusebenza okuthembekile ezinhlelweni zokulawula amandla.Ukusebenza kahle okuphezulu, ukushintsha okusheshayo, nobukhulu be-compact of SCRS kubenza babaluleke ku-elekthronikhi bezimboni nabathengi, abamele intuthuko ebalulekile e-Power Electronics.

Imibuzo Ebuzwa Njalo [I-FAQ]

1. Yiliphi inqubo elawulwa yi-silicon (iScr) esetshenziselwe?

I-SC isetshenziselwa ukulawula amandla emibuthanweni kagesi.Isebenza njengokushintshwa okungavula futhi kuphume ukugeleza kwamanje kagesi.Izicelo ezijwayelekile zibandakanya ukulawula isivinini sezimoto, ukulawula ama-dimmers akhanyayo, kanye nokuphatha amandla e-Heater kanye nemishini yezimboni.Lapho i-str ibangelwa isiginali yokufaka encane, ivumela yamanje amanje ukugeleza, okwenza kusebenze ngezicelo ezinamandla amakhulu.

2. Kungani i-salicon isetshenziswa ku-scr?

I-Silicon isetshenziswa kuma-SCRS ngenxa yezindawo zayo zikagesi ezithandekayo.Ine-voltage ephezulu yokuqhekeka, ukuqina okuhle okushisayo, futhi kungaphatha amasondo aphezulu namazinga wamandla.I-Silicon ibuye ivumela ukwakhiwa kwedivayisi ye-semiconductor ehlangene nethembekile engalawulwa ngokunembile.

3. Ingabe i-scr control ac noma i-DC?

Abakwa-SCRS bangakwazi ukulawula ama-AC namandla we-DC, kepha bavame ukusetshenziswa kuzinhlelo zokusebenza ze-AC.Emijikelezweni ye-AC, ama-SCRS angalawula i-angle yesigaba se-voltage, ngaleyo ndlela alungise amandla ahanjiswe emthwalweni.Lesi sigaba sokulawulwa sibalulekile ukuze izinhlelo zokusebenza ezinjenge-dimming ekhanyayo kanye nokulawulwa kwesivinini sezimoto.

4. Ngazi kanjani ukuthi i-scr yami isebenza?

Ukuhlola ukuthi ngabe i-SC isebenza, ungenza izivivinyo ezimbalwa.Ukuhlolwa kokuqala, okubukwayo.Funa noma yimuphi umonakalo womzimba, njengokushiswa noma imifantu.Ngemuva kwalokho, sebenzisa i-multimeter ukubheka ukumelana phambili nokubuyisela emuva.I-SCR kufanele ikhombise ukumelana okuphezulu ekuphikiseni kabusha nasekuphikisweni okuphansi phambili lapho kubangelwa.Okulandelayo, faka isango elincane lamanje futhi ubone ukuthi i-scr iqhuba phakathi kwe-anode ne-cathode.Lapho kususwa isibonakaliso sesango, i-SCR kufanele iqhubeke nokuqhuba uma isebenza kahle.

5. Yini ebangela ukwehluleka kwe-SCR?

Izimbangela ezijwayelekile zokwehluleka kwe-SCR zingezinqudlo, ezedlule, izindaba zesiginali yesango kanye nengcindezi eshisayo.I-voltage eyeqile ingaphula impahla ye-semiconductor.Okwamanje kakhulu kungadala ukushisa ngokweqile futhi kulimaze insiza.Ukushisa okuphindaphindiwe nemijikelezo yokupholisa kungadala ukucindezela kwemishini futhi kuholele ekwehlulekeni.Izimpawu ezingafanele noma ezinganele zesango zingavimbela ukusebenza okufanele.

6. Yini i-voltage ephansi yeScr?

I-voltage ephansi edingekayo ukuze ivuse i-SCR, ebizwa ngokuthi yi-GAGE TRIGGG Voltage, imvamisa cishe ngo-0,6 kuya ku-1.5 volts.Le voltage encane yanele ukuvula i-SPS, ukuvumela ukuthi yenze njengamanje amanje aphakathi nendawo phakathi kwe-anode ne-cathode.

7. Yini isibonelo soScr?

Isibonelo esisebenzayo se-SCR yi-2N6509.Lesi si-scr sisetshenziswa ezinhlelweni ezahlukahlukene zokulawula amandla, njengezinto ezikhanyayo, izilawuli zejubane lemoto, kanye nokuhlinzekwa kwamandla.Ingaphatha i-voltage ephakeme ye-800V ne-25A eqhubekayo ye-25A, okwenza ilungele ama-elekthronikhi wezimboni nawathengi.