Thyristor Inkcazo

Imigangatho ye-1.IEC yayisetyenziselwa ukubonakalisa i-thyristor, ukusebenza kwe-diode, i-parameters eziliqela ezilishumi, kodwa abasebenzisi bahlala besebenzisa ishumi okanye kunjalo, eli nqaku ngokufutshane i-thyristor / diode yeeparamitha eziphambili.
2.I-Avareji Phambili Ngoku IF (AV) (rectifier) ​​/ Mean on-state yangoku IT (AV) (Thyristor): ichazwa ngokwemiqathango yeqondo lobushushu lokutshona kobushushu okanye iqondo lobushushu betyala TC THS xa ivunyelwe ukuba iqukuqelele kwisiqingatha esiphezulu sesine sesixhobo. iavareji yangoku yamaza.Kweli nqanaba, iqondo lobushushu lesiphambuka lifikelele kwiqondo lobushushu eliphezulu elivumelekileyo Tjm.I-LMH Company Product Manual inika imo efanelekileyo yangoku ehambelana neqondo lobushushu le-THS okanye ixabiso le-TC kwimeko yokushisa, umsebenzisi kufuneka asekelwe kwi-real-state yangoku, kunye neemeko ze-thermal ukukhetha imodeli efanelekileyo yesixhobo.
3.Forward ingcambu kuthetha isikwere ngoku IF (RMS) (rectifier) ​​/ On-state RMS yangoku IT (RMS) (Thyristor): ichazwa ngokwemiqathango lobushushu litshona ubushushu okanye imeko TC THS xa ivunyelwe ukuba ihambe ngobuninzi besixhobo. ixabiso langoku elisebenzayo.Esetyenziswayo, umsebenzisi uya kuqinisekisa ukuba nakweyiphi na imeko, i-RMS yangoku equkuqelayo kwimeko yesixhobo sobushushu ayidluli ingcambu ehambelanayo yexabiso langoku elisisikwere.
4.Surge yangoku IFSM (rectifier), ITSM (SCR)
Imele ukusebenza kwiimeko ezikhethekileyo, isixhobo sinokumelana namaxabiso akhoyo ngoku ubuninzi obugqithisileyo.10ms isiqingatha sine wave enencopho ethi LMH inikwe kwincwadana yemveliso inrush ixabiso langoku ubushushu obuphezulu obuvumelekileyo besiphambuka sesixhobo bungaphantsi kwe80% VRRM esetyenziswa phantsi kweemeko zovavanyo lwamaxabiso.Kubomi besixhobo sinokumelana ne-inrush yangoku inqunyelwe linani labasebenzisi abasebenzayo kufuneka bazame ukunqanda ukugcwala.
I-5.Incopho engaphindiyo i-voltage ye-VDSM / Incopho yombane engaphindiyo i-VRSM: ibhekisa kwi-thyristor okanye i-rectifier diode iyisithintelo sombuso inokumelana nowona mbane uphezulu wokuqhekeka, ngokuqhelekileyo ngovavanyo lwe-pulse enye ukukhusela umonakalo kwisixhobo.Umsebenzisi ekuvavanyeni okanye kwisicelo, uya kuthintelwa kwi-voltage efakwe kwisixhobo, ukuphepha umonakalo kwisixhobo.
6.Incopho yombane ephindaphindwayo ukusuka kurhulumente we-VDRM / Ukuphinda-phinda amandla ombane abuyele umva i-VRRM: ithetha ukuba isixhobo sikwimo yokuvala, i-off-state kunye nomva inokumelana nowona mandla ombane aphezulu aphindaphindwayo.Ngokubanzi isixhobo asiphindaphindi i-voltage engama-90% uphawu (izixhobo zombane ezingaphindaphindiyo zombane ophezulu zithatha ngaphantsi kwe-100V).Abasebenzisi abasebenzayo baya kuqinisekisa ukuba kuyo nayiphi na imeko, akufuneki bavumele isixhobo ukuba simelane nowona mbane wombane ugqithise umbane ongekho kwimeko-bume kunye neRevative peak reverse voltage.
7.Incopho ephindaphindayo ngaphandle kwemeko (ukuvuza) i-IDRM yangoku / Incopho ephindaphindayo umva (ukuvuza) i-IRRM yangoku
I-Thyristor ikwimeko yokuthintela, ukumelana nencopho yombane ephindaphindwayo ye-VDRM kunye ne-VRRM Incopho yombane ephindaphindwayo ebuyela umva, ukuhamba phambili kunye nokubuyisela umva ukutyhutyha inxalenye yangoku yedreyini yangoku.Le parameter ivumela isixhobo ukuba sisebenze phantsi kobushushu obuphezulu be-junction Tjm elinganisiweyo.
8. Incopho yombane we-VTM (SCR) / Incopho yombane yangaphambili i-VFM (isilungisi)
Ibhekisa kwisixhobo ngokumiselwa kwangaphambili kwencopho yangoku ye-IFM (i-rectifier) ​​okanye incopho yangoku ye-ITM (SCR) yincopho yombane, ekwabizwa ngokuba kukuhla kwamandla ombane aphezulu.Le parameter ibonisa ngqo iimpawu zesixhobo kwi-state ilahleko, echaphazela i-device eku-state yangoku umthamo wangoku.
Isixhobo kumaxabiso ahlukeneyo angoku phantsi kwe-on-state (phambili) i-voltage ephezulu inokuqikelelwa kunye ne-voltage ye-threshold kunye ne-slope resistor, yathi:
VTM = VTO + rT * ITM VFM = VFO + rF * IFM
Qhuba inkampani yaseOstriya kwincwadana yemveliso yemodeli nganye inikwe ubuninzi besixhobo kwi-state (phambili) i-voltage encochoyi yombane kunye ne-voltage embundwini kunye nokumelana nethambeka, iimfuno zomsebenzisi, unokubonelela ngesixhobo sombane wombane kunye nethambeka loxhathiso olulinganisiweyo. ixabiso.
9.I-Circuit yatshintsha ixesha lokucima i-tq (SCR)
Phantsi kweemeko ezichaziweyo, umbane ophambili we-thyristor phambili wehla ngaphezu kwe-zero, ukusuka kwi-zero ukuwela ukuze ukwazi ukumelana ne-voltage yento enzima isetyenziswa endaweni yokuguqula ixesha elincinci lexesha.Ixabiso lexesha lokucima i-Thyristor lichongwa kwiimeko zovavanyo, Qhuba inkampani yase-Austrian eyenziwe ngokukhawuleza, izixhobo ze-thyristor eziphezulu zinika ixesha lokucima ixabiso elilinganisiweyo ngalinye, alichazwanga ngokukodwa, iimeko ezihambelanayo zilandelayo:
I-ITM-state peak current ilingana nesixhobo se-ITAV;
Inqanaba lokuhla langoku kwi-state di / dt = -20A/μs;
Isantya sokunyuka kwamandla ombane onzima dv / dt = 30A/μs;
I-voltage ye-Reverse VR = i-50V;
Ubushushu besiphambuka Tj = 125 ° C.
Ukuba ufuna iimeko ezithile zesicelo kumaxabiso ovavanyo lwexesha elingekhoyo, ungacela kuthi.
10. Izinga elibalulekileyo lokunyuka kwe-on-state yangoku di / dt (SCR)
Ibhekisela kwi-thyristor ukusuka ekuvimbeni isimo ukuya kwimeko, i-thyristor inokumelana nomlinganiselo ophezulu wokunyuka kwe-on-state current.Isixhobo sinokumelana nemeko yangoku ye-Critical rate yokunyuka kwe-di / dt isango lokuvusa imeko ngempembelelo enkulu, ngoko sicebisa ngamandla ukuba abasebenzisi basebenzise i-trigger yesicelo, i-trigger i-pulse yangoku amplitude: IG ≥ 10IGT;ixesha lokunyuka kwe-pulse: tr ≤ 1μs.
10. Izinga elibalulekileyo lokunyuka kwamandla ombane angekho kurhulumente we-dv / dt
Phantsi kweemeko ezikhankanyiweyo, ayisayi kubangela i-thyristor ukusuka kwimeko yokucima ukuya kwimeko yokuguqula ubuninzi obuvumelekileyo besantya sokunyuka kwamandla ombane.Qhuba incwadi yemveliso yenkampani yase-Austrian inika eyona incinci kuzo zonke iindidi ze-thyristor dv / dt ixabiso, xa umsebenzisi we-dv / dt enemfuno ezikhethekileyo, enokwenziwa xa kuodolwa.
11.Isango lokuvusa amandla ombane iVGT / iSango i-IGT yangoku
Ngaphantsi kweemeko ezichaziweyo, ukwenza i-thyristor yokucima urhulumente ngumbane ofunekayo wesango elincinci kunye nesango langoku.I-Thyristor ivulwe ngexesha leeyure zokuvula, ilahleko yokuvula kunye nokunye ukusebenza okuguquguqukayo ngokufaka kwisango layo lokuqalisa amandla omqondiso kwimpembelelo enkulu.Ukuba kwisicelo se-IGT ebaluleke kakhulu ukubangela i-thyristor, i-thyristor ayiyi kuvumela ukufumana iimpawu zokuvula ezilungileyo, kwezinye iimeko nokuba kubangele ukusilela kwangaphambi kwexesha okanye umonakalo kwisixhobo.Ngoko ke kucetyiswa ukuba isicelo somsebenzisi usebenzisa imowudi yokuqalisa eyomeleleyo, i-trigger pulse current amplitude: IG ≥ 10IGT;ixesha lokunyuka kwe-pulse: tr ≤ 1μs.Ukuqinisekisa ukusebenza okuthembekileyo kwesixhobo, i-IG kufuneka ibe nkulu kakhulu kune-IGT.
12.Crusts ukumelana Rjc
Ibhekisa kwisixhobo phantsi kweemeko ezikhankanyiweyo, isixhobo siqukuqela ukusuka kwindawo ekudityanwa kuyo ukuya kwimeko yokunyuka kwamaqondo obushushu okwenziwa ngewatt nganye.Ukuxhathisa i-Crusts kubonisa amandla obushushu besixhobo, le parameter inefuthe elithe ngqo kwisixhobo-karhulumente ukusebenza.Qhuba incwadi yemveliso yenkampani yaseOstriya yesixhobo sokupholisa esisemacaleni esithe tyaba sibonisa uxhathiso oluzinzileyo lwe-thermal yeemodyuli zamandla e-semiconductor, inika ukupholisa icala elinye ukuxhathisa kwe-thermal.Abasebenzisi kufuneka baqaphele ukuba inxalenye ethe tyaba yeziphumo uqweqwe thermal echatshazelwa ngokuthe ngqo iimeko ufakelo, kuphela ngokungqinelana nencwadana ecetyiswayo ufakelo amandla onyukayo ukuze kuqinisekiswe ukumelana thermal isixhobo ukuhlangabezana neemfuno crusts.


Ixesha lokuposa: Oct-21-2020