CS264012B1 - Control system for electroslag remelting - Google Patents
Control system for electroslag remelting Download PDFInfo
- Publication number
- CS264012B1 CS264012B1 CS838977A CS897783A CS264012B1 CS 264012 B1 CS264012 B1 CS 264012B1 CS 838977 A CS838977 A CS 838977A CS 897783 A CS897783 A CS 897783A CS 264012 B1 CS264012 B1 CS 264012B1
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- block
- diode
- current transformer
- input
- current
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/0019—Circuit arrangements
- H05B3/0023—Circuit arrangements for heating by passing the current directly across the material to be heated
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/16—Remelting metals
- C22B9/18—Electroslag remelting
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/60—Heating arrangements wherein the heating current flows through granular powdered or fluid material, e.g. for salt-bath furnace, electrolytic heating
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Discharge Heating (AREA)
- Furnace Details (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Feedback Control In General (AREA)
Description
1 264012
CHCTEMA ynPABJIEHHfl OJIEKTPOHJlAKOBOň IÍEPEIUIABKOH Η3θ6ρβτθΗΗβ KacaeTCH CHCTeMbi ynpaBneHHH aneierpoiunaKOBoň nepennaBKoň, ko-Topaa Haňp;eT πρΗΜβΗβΗΗβ b npou;ecce sneKTpomnaKOBoň neperaiaBKH ΜβτβηηοΒ hcrmaBOB řípu πτΜΟοφβρΗΟΜ ηαβπθηηη, noff flaBneHHeM ηπη BaKyyMOM. H3BecTHa cHCTeMa ynpasneHHH BjieierpoinnaKOBoii nepennaBKoň (1), b κοτοροήbxoa oTflejiHTejibHoro $HnbTpa c npeflBapHTenbHbíM ycnnHT&neM coeflHHeH noepeflCT-bom coep,HHeHna κ TOKoHecymeň ιπηηθ KpncTannH3aT0pa, a ero βμχοα noflKJimeH κnocjiefloBaTejibHO coeflHHeHHbíM A^ipepeHflHanbHOMy ycHnHTenro, ycHnHTenio η οκοΗβη-hoů cTyneHH, βμχοα ^οτοροή noflcoeflHneH κ TpMrrepy. Βμχοα TpHrrepa coeflHHeHnocpeRCTBOM BjieKTpoMarHHTHoro pene c nepeKnionáTeneM peacHMa, κοτορωή co CBÓeňCTOPOHH COeflHHeH C 6JIOKOM, nepeKHIOHeHHH CKOPOCTH, BbKOfl ΚΟΤΟΡΟΓΟ coeflHHeH cperyjiHTopoM, Bbixofl κοτοροΓο coeflHHeH c HcnonHHTenbHbíM MexannsMOM ajm npnBOflaBjietcrpofla.
HeflocTflTOK H3BecTHOH CHCTeMbi saxníoHaeTcH b tom, hto nepexofl c peatHMa pac-nnaBa cjmroca πρκ τβθραομ nycxe na peoKHM népennaBKH ocymecTBnneTCH HpynHyro 1οπερΗτορο^ι,Ητο ηθτοηηο, b ocoóeHHocTH npH 3aKpbrroM npoBefleHHH npoflecca, HnpHBOflHT κ yxyflffleHHio xanecTBa 6οπβηηοκ η HH3Koň npoHSBOflHTenbHOCTH. ,
Saflana H3o6peTenHH coctoht b C03flaHHH CHCTeMbi ynpaBneHHH aneKTpomnaKOBoňnepennaBKoň c aBTOMaTHnecKHM HananoM, npoBefleHH&M h 3aBepmeHHeM npoflecca b .6e3flyroBOM pexHMe, nocpeflCTBOM κοτορού yny^iaHnocn 6bi KanecTBO ÓonBaHKH,yMeHMUurcH 6bi pacxofl onepruH, Hafle»Ho peanH3OBanacb óbi pacTonxa, (paaxcHraHHe) 1npH TBepflOM nycxe h noBbicHjiacb 6bi npoH3BOflHTenbHOCTb. 3aflana pemaeTCH nocpeflCTBOM cosflaHHH CHCTeMbi ynpaBneHHH sneKTpomnaKOBoňnepennaBKoň, KOTOpan coctoht H3 6noKa perncTpaflHH flyroBbK pa3pHflOB, sxofl ko-Toporo coeflHHeH c TOKoHecymeň ιπηηοη KpHCTannHaaTopa, a ero bhxoa coeflHHeH cθηοκοΜ nepeKnioHeHHH ckopocth noflann sneKTpofla, ko BTopoMy Bxofly. κοτοροΓοnoflKflKJHeH bhxoa 3aflawinero Snoxa,. a bhxoa 6noKa nepejononeHHH ckopocth. cóeflH-HeH nocpeflCTBOM peryjiHTopa c HcnonHHTenbHbíM μθχηηη3μομ, πρηηθμ TOKOHecymaHmHHa noflKmoaeHa κ 6ηοκγ perncTpaflHH BeHTHnhHoro ρφφβκτβ, Bbixofl κοτοροΓο coe-flHHeH nocpeflCTBOM 6noKa Η3ΜβκβΗΗΗ peatHMa κ TpeTheMy BxOfly 6ηοκβ πβρβκηιοηβ-hhh ckopocth noflann sneKTpofla, Bjiok perncTpaflHH BeHTnnbHoro Ρφφβκτβ coctoht’h3 flsyx oflHHaKOBbix TpaHciJjopMaTOpoB Toxa, ηβμοτηηημχ b oahom h tom Ke HanpaB--JieHHH Ha ŤOKonecymeň ιιμηθ, npHnéM κ HanajibHOMy BbiBOfly népBoro Tpa.HC$opMaTO- 2 264012 pa Toxa coeflHHeH nepBbw Ano#, a κ HeMy n κ xoHeHHOMy BbiBORy riepBoro Tpanc-<|)opMaTopa Toxa noflxníoHeH nepBbiíí xoHRencaTop η k KOHeqHOMy BbiBORy BToporoTpaHcýopMaTopa Toxa coeRHHeH BTopoři rhor, a κ HeMy η k HananbuoMy BbiBORyΒΤΟΡΟΓΟ ΤΡ3ΗθφθρΜΒΤθρ3 ΤΟΚ3 COeRHHeH BTOpQH KOHReHCaTOp, npHHeM o6man TOHOMe«Ry nepBbíM flHOfíOM h nepBbíM xoHReHcaTopoM coeflHHeHa c nayajibHbíM βηβοπομβτορογο TpaHcýopMaTopa Toxa, a oBmaa TOHxa Mexmy βτορημ αηοαομ h BTOpbM koh-íieHcaTopoM coeRHHeHa c κοη6βηημ bmborom nepBoro TpaHc^opMaTopa Toxa, npeHMymecTBa, cucTeMbi, b οοοτβθτοτβηη c H3o6peTeHHeM, coctobt b tom, itonepexoR c peacHMa pacTonxH πρκ τβθραομ h xhrkom nycxe Ha peroiM nepennaBXH · ocymecTBJíaeTCB aBTOMarauecKH, npnqeM ynynniaeTCH xanecTBO nonynaeMbDí 6onsaHoxh noinjniaeTca ΗΗφορΜβίξΗΗ o βηπρημπθηηομ τόκε bo bpsmb npoRecca, flaromaa Β03--MoatHocTb yMeHbuwTb ποτερκ SHeprHH h ynyamuTh npoH3BORHTejribHOCTL·. ΠρκΜερΗοε BbmonHeHHe CHCTeMbi ynpasneHUH snexTponiHaxoBoří nepen-naBXH noxa-3aHo Ha npHJioaceHHbrx (frurypax, rne pHcyHOK 1 npeflCTaBJíaeT coBoň Bjiomjyto cxeMy CHCTeMbi ynpaBJíeHHH snexTpomna-KOBoň nepennaBKoň h pncynox 2 npeflCTaBJíaeT co6‘oh cxeMy ycTpoňcTBa perHCTpaRHH BenTimbiioro 3φ-φεκτβ.
CucTeMa coctobt H3 6noxa perHCTpaRHH RyroBbix pa3pHROB 1, bxor κοτοροτοcoeflHHeH c TOKOHecyin,eňiiiHHoň 2 xpRcTajuinsaropa 3,a ero bhxor - c Cbokom nepexnío-ηθιιηη cKopocTH 4 , ko BTopoMy Bxofly κοτοροτο coeRHHeH Bbixo# 3aRaroiitero Snoxa 5. Bbi-xor 6JiÓKá’ περεκπκηεΗΜΗ cxopocth 4 noRKnioneH κ perynaTopy 6, bhxor κοτόροΓοnORXJHOHeH Κ HCIIOJlHHTejIbHOMy MeX3HH3My 7, KOTOpbIH MexaHHBeCKH CoeRHHeH caneKTpoflOM 8. K TpeTheMy BXORy 6noxa nepexníoHeHHH ckopocth 4 coeRHHeH Bbixoflfínoxa perHCTpaRHH βθητηηβηογο θφφβκτΗ 9, nocpeRCTBOM 6noxa Η3ΜβΗ6ΗΜ pex-oíMa10. Bxor čnoxa perHCTpaRHH BeHTHJibHoro 3φφεκτ3 9 coeRHHeH c ToxoHecymeH iuh-hoh 2. KpoMe Toro, BbixoR-RaTHHxa nepeMemeHHH 11 aneKTpofía 8 coep,iiHeu κο bto-poMy BXOfly 6noxa perHCTpaRHH RyroBbix pa3paROB 1 nocpeRCTBOM 6jioxa η3μθηθηηηyyBCTBHTenbHOCTH 12. ToKOHecymaa niHHa 2 3a3eMneHa β τοπκβ 13. yCTpOHČTBO RJIH perHCTpaRHH ΒβΗΤΗΗΒΗΟΓΟ 3φφεκτβ COCTOBT B3 flsyx OflHHaKO-BbK Τρ3Ηθφ0ρΜ3ΤθρθΒ T0K3 - ΠβρΒΟΓΟ Τρ3ΗθφθρΜ8Τθρ3 TOK3 15 H BTOpOFO Tp3HC—φορΜ3τορ3 Toxa 16, HaMOTaHHbix β orhom η tom >κβ HanpaBjíeHHH Ha TOKOHecyi«eHíunne 2. K HauajibHOMy BbiBORy nepBoro Tpai^opMaTopa Toxa 15 ποακπιοηθη nepBbiííflHOfl 17, a κ KOHenHOMy BbiBORy βτορογο TpaHcčfropMaTopa Toxa 16 - btopoh rhor'18, npnHeM oóa.RHORa nORKnioneHbí β orhom h tom xe HanpaBjíeHHH, a κ nepBOMyflHOfly 17 h KOHeHHOMy BbiBORy nepBoro Tpanc$opMaTopa Toxa 15, xax h k BTopoMyflHOfly 18 h HanajibHOMy BbiBORy βτορογο τρΗΗοφορΜΗτορΗ Toxa 16 cooTBeTCTBeHnonofliOTJOHeHbí nepBbiň xoHflencaTop 19 h btopoh KoiiflencaTop 20. 06 man Tonxa Me»RynepBbíM rhorom 17 h nepBbíM xoHflencaTopoM 19 coeRHHeHa c HauajibHbíM bmborom βτο-ρογο τρ3ΗοφορΜ3τόρ3 Toxa 16, a ofíiuan Tonxa βτορογο rhorb η βτορογο xoHReHca-TOpa 20 - C ΧΟΗβΗΗΜΜ BblBOROM περΒΟΓΟ TpaiK^OpMaTOpa Toxa 15. ΚοΗβΗΗΜΗ BblBORnepBoro Tpam^opMaTOpa Toxa 15 h HaqanbHHH bmbor βτορογο TpancýopMaTopa Toxa16 npeflCTasJíneT co6oň BbixoRbi ycTpoňcTBa rhr perHCTpaRHH βθητηιιβηογο 3φφέχ-Ta 9. fleňcTBHe chctcmm ynpaBJíeHHH ajiexTpomnaxoBOH nepeiuiaBxoň, cornacHo H3o6pe-τεΗΗΐο, cneRyioinee: B Haqane npoRecca sjíexTpoianaxoBoň nepennaBXH CHi-Han o ripoTexaromeM τοχε noTOKOHecymeň ihhho 2 npHHHMaeTCH h ycHnHBaeTcn 6jiokom perHCTpaRHH Ryronbix pa3-Phrob 1, xoTopbiň noRaeT CHrHan κ 6noxy nepexníoReHHH cxopocth noflanH Θηεχτρο-Ra 4. Bjiokom perHCTpaRHH BeHTHJibHoro θφφεκτΒ 9 noRaeTcn CHrHan o βθηηηηηθToxa BeHTHJibHoro οφφεκτΗ, xoTopbiň HapacTaeT c.HyjW B Hanajie npoRecca ro on- 264012 - 3 - pefl&rteiiHoň n&ni-riHHbf b μομθητθ 06pa3OBaHHH mnaKOBOH BaHHbt. Pacnnas Tsepfloroýnioca, to octí. pacTonxa tlenu ocymecTBnneTCH nocpeflCTBOM noflann sneKTpona 8 cnpeflBapHTeJibHo 3aflaHHoň cicopocTbio noflanH sneKTpofla b cnynae OTcyTCTBHH cHr-najia c GjioKa perHCTpaflHH flyroBbtx pa3ptiflOB 1, a npH ηηπηηηη curHajia - σκο-ρ octb paBnaeTCH Hynto. B μομθητθ nonyneHHH CHrnana c 6jioKa 9 tok βθητηπβηογο3tM?eKTa flocrar npeflBapHTenbHO onpeflenGHHyto BenHiHHy, rapaHTHpywtuyto o6pa3OBa-Hne JKHflKoň umaKOBoři BaHHbí, c 6noKa H3MeHeHHH peacHMa 19 noflaeTCH cm-Han κ 6noKy 4 /via nepexofla Ha pewHM nepennaBKH. Πρκ CHrHane o ηβηηηηη flyroBMX pa3pH~ΗΟΒ κ peryxiíiTopy 6 noflaeTCH curnan 06 HcnonHHTenhHOM MexaHH3Me 7, κοτορωήnoflaeT ajieKTpofl co CKopocTbio HH»e cpeflHeň flna Bceň nepennaBKH, a πρκ oTcyr-ctbhh cHrHana 3ap;aeTCB ckopoctb Bbnue cpefliteň. ΚροΜβ τογο, bo3Mohcho Taitoe Bbi-noJiHenne CHcTeMbi, πρκ κοτοροΜ ckopoctb noflann aneKTpofla y6aBnaeTCH nocTeneH-ho c MaKCHMyMa κ Hynto πρκ ηηηηηηη cnrHajia c 6noKa 1, a πρκ οτουτοτβηη TanorocurHajia ckopoctb HapacTaeT flo ηοβογο nonBneHHn CHrHana. TaKHM o6pa3OM flnnnto6oro MOMSHTa npou;ecca caMoonpeflenHeTcn caMaH noflxoflmuaH ckopoctb noflann3jiei<Tpofla. B icoHfle neperuiaBKH αβτηηκομ 11 κ sneKTpofly 8 noflaeTCH cnrHan 06oKOHuannH npoijecca sneKTpotunaKOBOň nepennaBKH, κοτορωή nocpeflCTBOM ČJioKa H3-ΜβΗβΗΗΗ nyBcTBHTenbHocTH 12 yBeriHHHBaeT nyBCTBHTenbHocTb 6noKa perHCTpaflHHfíyroBbix pa3pjtflOB 1, npHneM KOHeu; aneierpona 8 noflHHMaeTcn h n;epennaBKa no-CTeneHHO npexpatnaeTcn. Πρκ ηθπηηηη npOMbinineHHbtx ntyMOB hx CMymatomee βηηηηηθycTpaHneTCH nocpeflCTBOM 3a3eMneHHfl β τοηκβ 13. Πρκ ocyncecTBneHHH aneKTpontnaKOBoň nepennaBKH nacTh nepeMeHHoro tokh bh-ΠρΗΜΠΗβΤΟΗ (BeHTHJIbHblH 3φφθΚτ) Η npHBQflHT Κ yXyflUteHHtO ΚΟ3φφΗΗΚβΗΤ3 ΠΟΗβ3ΗΟΓΟaefícTBHH ycTpoňCTBa flnn perHCTpaflHH βθητηηβηογο 3φφθκτβ. Πρκ otcytctbhh BeH-THnbHoro τοκβ HanpHweHHe Ha Bbtxofle nepBoro η βτορογο TpainxitopMaTopOB τοκβ 15ii 16 paBHO nynto. ΠρΗ βοβηηκηοβθηηη BeitTHnbHoro 3φφεκτ3, τηκ KaK BbtnpHMneHHeoňHopropOKKOBoe, nonynaeTcn oTnoxenne Toxa BeHTHnbHoro 3φφεκτβ Ha oahy nony- ;Bonny h HapymaeTcn οημμθτρηη, πρηηθμ Ha Bbtxofle ycTpoňCTBa flna perHCTpaflHHBeHTunbHoro Βφφεκτθ 9nonywaeTCH noTeHipianbHaH pa3HHfla, nponopflHOHanbHaa ne-;' nnHHHe BeHTunbHoro TOKa.
ΦΟΡΜΥΠΑ H3OBPETEHHH 1, CHCTGMa ynpaBneHHB sneKTpotunaKOBoň nepennaBKoň, cocTonman H3 6nOKa,pe-'rucTpaitíiH n,yroBbix paspuflOB, βχο,π, κοτοροΓΟ coeflHHeH c 6ηοκομ πβρβκπωηβΗΗΗckopocth noflann sneKTpofla,κ βτορομυ BXOfly KOToporo 6noita noflicnioneH Bbtxofl 3anato-mero 6noita,a Bbtxofl 6noKa nepeitntoneHHH ckopocth coeflHHeH nocpeflCTBOMpérýnjrropa c 1 HcnonHHTenbHbtM MexaHH3MOM, ó τ η η n a to m a n c η τβΜ,ητο TOKOnecymast πιηηβ(2) coeflHHeHa c 6hokom perHCTpaflHH BeHTHnbHoro Βφφβκτθ (9), a ero Bbtxofl coe-AHHeH nocpeflCTBOM 6noKff.,H3MeHéHHJi petKHMa (10) c TpeTbHM βχοαομ 6noKa nepeitnio-neHHH ckopocth (4). i 2. CucTeMa ynpaBneHHH sneKTpoiunaKOBOH nepennaBKoň, b cootb6tctbhh c nyHit-tom 1, OTAMHatoinaacH τθμ, hto 6ποκ perHCTpaflHH BeHTHnbHoro 3φ- ! φεκτβ (9) coctoht hs flsyx ofliiHaKOBbix τρεποφορΜητοροΒ TOKa - nepBoro TpaHC-φορΜΒΤΟΡΒ TOKa (15) Η ΒΤΟΡΟΓΟ Τρ3ΗθφθρΜΗΤθρΗ TOKa (16), Η3ΜΟΤ3ΗΗΜΧ B OflHOMh tom »e HanpasneHHH Ha TOKOHecymeň unme (2) , πρκηβΜ κ HananbHOMy BbiBOflynepBoro Tpat^opMaTopa Tona (15) noflKntoneH nepBbtň ahoa (17), a κ HeMy η kKOHeHHOMý BbtBOflý ΠβρΒΟΓΟ ΤΡΒΗΟφόρΜβΤΟρΑ TOKa (15) nOflKfltOHeH nepBbtň KOHfleHCa-τορ (19) Η K KQHéUBOMy BbtBOflý ΒΤΟΡΟΓΟ ΤρθΗΟφορΜβΤΟρβ TOKa (16) nOflKfltOHeHBTopoĚ flHOfl (18) , -a K HeMy η k HauanbHOMy. BbtBOflý βτορογο τρβΗΟφορ'Μβτορβ το-
; Ka (16) rtoflKnioneH Βτοροΐί KOHfleHcaTOp (20), npnneM o6man τοηκβ Meawy nepBbtM αηοαομ (1-7) h nepBbíM KOHfleHcaTopoM (19) coeflHHeHa c HananbHbtM BhmoflOM Βτορο- - 4 - 264012 ro TpaHc4>opMaTopa τόκε (16), a o6qaa τοίκβ Meaqjy btopmm aho^om (18) h btopmmKOHfleHcaTopoM (20) coeflHHeHa c κοηθίημμ bubo/íom nepeoro TpaHC<l>opMaTopa To-na (15). A Η Η 0 T A U H fl CHCTEMA ynPABJIEHHfl 3JIEKTP0UUIAK0B0H ΠΕΡΕΙΠΙΑΒΚόΗ
CucTeMa ynpaBJíeHHH aneicrponinaKOBoři nepennaBKoň HafifleT πρΗΜβκβΗΗβ b προ-uecce aneKTponuiaKoBoň. nepennaBKH MeTannoe h cnnaBOB tipu ητμοοΦθρηομ flaBne-hhh, πόα flaBJíeHHeM η πολ BaKyyMOM. 3aflaua Η3θ6ρετβΗΗη - co3flaT& CHCTeMy ynpasneHHn aneKTporanaKOBoň nepennaB-Koň c aBTOMaTHHeCKHM perynupoBaHHeM nponecca b 6e3nyroBOM pestHMe c ijejifcwyjiynineHHH KanecTBa 6,οπβηηκη, yMeHbineHHa pacxofla sHepruH, peanH3anHH pacTon-kh npH TBepflOM nycxe h noBbímeHHH npoH3BOffHTenbHocTH.
CucTeMa coctoht H3 6noKa peracTpautHH flyroBbix pa3pnflOB 1, bxoa xoToporocoeflHHeH c TOKOHecymeň mHHoň 2 KpHCTannH3aTopa, a ero Bbixo# coeflHHeH c 6no-KOM ΠβρβΚΠΚΜβΗΗΗ CKOpOCTH 4 nOflaHH SJíeKTpOfla, KO BTOpOMy BXOfly ΚΟΤΟΡΟΓΟ nofl-jcnroqeH Bbix,q,n 3aflaiojnero 6noKa 5, a bmxoa Ojioxa nepeKmoneHňn ckopocth 4 coeflH-HeH nocpeflCTBOM perynnTopa 6 c ηοποηηητθηβηημ MexaHH3M0M 7_j_ a TOKOHecyntancniHHa 2 noflicnmeHa κ ČJioxy perHCTpauHH βθητηπβηογο Βφφβκτβ 9, Bbixofl xoToporo_COeflHHeH nOCpeflCTBOM 6jIOKa Η3ΜβΗβΗΗΗ pejKHMa 10 C TpeTbHM BXO-,Hom Onoxa nepeKnjoqeHHH ckopocth 4 noflann sneKTpofla 8. Ejiok perHCTpauHH βθη-ΤΚΠΒΗΟΓΟ' 3φφβκτβ 9 COCTOHT H3 flByX OflHHaKOBblX ΤρβΗΟφορΜβΤΟρΟΒ T0K3 15 H 16,HaMOTaHHbix b oflHOM h tom ®e HanpaBJíeHHH Ha TOKOHecymeň uiHHe 2. ΠρΗ3Η3ΗΟ Η3θ6ρβΤβΗΗβΜ ΠΟ pe3ynbTaTaM 3KCnepTH3bI, OCymeCTBJíeHHOň HHCTHTyTOMH3o6peTeHHň h paflHOHanHaaflHH HPB. 2 wepTe»a
Claims (2)
- 5 264012 PŘEDMĚT VYNÁLEZU 1« Soustava řízení elektrostruskové přetavby, skládají-cí se z bloku registrace obloukových výbojů, jehož vstupje spojen s blokem přepínání rychlosti posunu elektrody, kjehož druhému vstupu bloku je připojen výstup řídioího blokua výstup bloku přepínání rychlosti je spojen pomocí regu-látoru s výkonným mechanismem, vyznačující se tím, že prou-dová sběrnice (2) je spojena s blokem registrace ventilo-vého jevu (9) a jeho výstup je spojen pomocí bloku změnyrežimu (10) s třetím vstupem bloku přepínání rychlosti (4)· o
- 2. Soustava řízení elektrostruskové přetavby, podle bodu1, vyznačující se tím, že blok registrace ventilového jevu(9) se skládá ze dvou stejných proudových transformátorů(16), navinutých stejným směrem na proudové sběrnice (1),přičemž k počátečnímu vinutí prvního proudového transformá-toru (15) je připojena; první dioda (17) a k ní a koncovémuvývodu prvního proudového transformátoru (15) je připojenprvní kondenzátor (19) a ke konoovému vývodu druhého proudo-vého transformátoru (16) je připojena druhá dioda (18) ak ní a k počátečnému vývodu druhého transformátoru (16) jepřipojen druhý kondenzátor (20), přičemž společný bod meziprvní diodou (17) a prvním kondenzátorem (19) je spojen spočátečním vývodem druhého proudového transformátoru (16)a společný bod mezi druhou diodou (18) a druhým kondenzá-torem (20) je spojen s koncovým vývodem, prvního proudové-ho transformátoru (15)*
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BG8258843A BG37520A1 (en) | 1982-12-08 | 1982-12-08 | Control system for electroslag remelting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS264012B1 true CS264012B1 (en) | 1989-05-12 |
Family
ID=3911473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS838977A CS264012B1 (en) | 1982-12-08 | 1983-12-01 | Control system for electroslag remelting |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US4669087A (cs) |
| JP (1) | JPS59150027A (cs) |
| BG (1) | BG37520A1 (cs) |
| CA (1) | CA1234595A (cs) |
| CS (1) | CS264012B1 (cs) |
| DD (1) | DD245350A3 (cs) |
| DE (1) | DE3343920A1 (cs) |
| FR (1) | FR2537606A1 (cs) |
| IT (1) | IT1169362B (cs) |
| PL (1) | PL244862A1 (cs) |
| RO (1) | RO104854B1 (cs) |
| SE (1) | SE8306650L (cs) |
| SU (1) | SU1723675A1 (cs) |
| YU (1) | YU238783A (cs) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5331661A (en) * | 1992-02-27 | 1994-07-19 | Sandia Corporation | Method and apparatus for controlling electroslag remelting |
| US6496530B2 (en) | 2001-04-03 | 2002-12-17 | Sandia Corporation | Control of electrode depth in electroslag remelting |
| US7180931B1 (en) | 2004-05-25 | 2007-02-20 | Sandia Corporation | Electrode immersion depth determination and control in electroslag remelting furnace |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE702317A (cs) * | 1967-08-04 | 1968-02-05 | ||
| DE1924364A1 (de) * | 1968-05-14 | 1969-11-27 | Ass Elect Ind | Regeleinrichtung fuer eine Vorrichtung zur Elektroraffination von Metallen |
| GB1246676A (en) * | 1968-10-08 | 1971-09-15 | Ts Lab Avtomatiki | Electroslag remelting of metal |
| DE1960936B2 (de) * | 1969-12-04 | 1971-11-04 | Leybold Heraeus Gmbh & Co Kg | Verfahren und anordnung zur regelung der eintauchtiefe von abschmelzelektroden in die schlackenschicht beim elektro schlacke umschmelzen |
| US3619464A (en) * | 1970-02-03 | 1971-11-09 | Boehler & Co Ag Geb | Apparatus for electroslag remelting of metals and in particular steel |
| SU520785A1 (ru) * | 1974-11-28 | 1977-10-25 | Ордена Ленина И Ордена Трудового Красного Знамени Институт Электросварки Им. Е.О.Патона | Печь электрошлакового переплава |
| IT1157393B (it) * | 1978-10-31 | 1987-02-11 | Centro Speriment Metallurg | Sistema per il controllo e la regolazione degli elettrodi nel processo di rifusione di metalli sotto scoria elettroconduttrice |
| WO1980001573A1 (en) * | 1979-01-31 | 1980-08-07 | Inst Elektroswarki Patona | Method and device for controlling a process of casting thin-walled ingots by electroslag remelting |
| AT382101B (de) * | 1982-11-15 | 1987-01-12 | Inst Po Metalloznanie I Tekno | Verfahren und vorrichtung zur regelung der eintauchtiefe von abschmelzelektroden in elektroschlacke-umschmelzanlagen |
-
1982
- 1982-12-08 BG BG8258843A patent/BG37520A1/xx unknown
-
1983
- 1983-11-30 DD DD83257246A patent/DD245350A3/de not_active IP Right Cessation
- 1983-12-01 PL PL24486283A patent/PL244862A1/xx unknown
- 1983-12-01 CS CS838977A patent/CS264012B1/cs unknown
- 1983-12-02 SE SE8306650A patent/SE8306650L/ not_active Application Discontinuation
- 1983-12-02 SU SU837773223A patent/SU1723675A1/ru active
- 1983-12-05 DE DE19833343920 patent/DE3343920A1/de not_active Withdrawn
- 1983-12-06 IT IT49451/83A patent/IT1169362B/it active
- 1983-12-06 RO RO112760A patent/RO104854B1/ro unknown
- 1983-12-07 CA CA000442751A patent/CA1234595A/en not_active Expired
- 1983-12-07 YU YU02387/83A patent/YU238783A/xx unknown
- 1983-12-08 JP JP58230697A patent/JPS59150027A/ja active Pending
- 1983-12-08 FR FR8319631A patent/FR2537606A1/fr not_active Withdrawn
- 1983-12-08 US US06/559,318 patent/US4669087A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| SU1723675A1 (ru) | 1992-03-30 |
| IT1169362B (it) | 1987-05-27 |
| YU238783A (en) | 1986-10-31 |
| SE8306650D0 (sv) | 1983-12-02 |
| SE8306650L (sv) | 1984-06-09 |
| IT8349451A0 (it) | 1983-12-06 |
| FR2537606A1 (fr) | 1984-06-15 |
| BG37520A1 (en) | 1985-06-14 |
| DD245350A3 (de) | 1987-05-06 |
| RO104854B1 (en) | 1994-03-25 |
| JPS59150027A (ja) | 1984-08-28 |
| US4669087A (en) | 1987-05-26 |
| PL244862A1 (en) | 1984-07-30 |
| DE3343920A1 (de) | 1984-06-14 |
| CA1234595A (en) | 1988-03-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR910011389A (ko) | 가스 시일드 아아크용접용 플럭스 충전 와이어 | |
| CS264012B1 (en) | Control system for electroslag remelting | |
| KR880002614A (ko) | 전기 아아크 용접용의 집괴 플럭스 | |
| CA2285004A1 (en) | Stable glycerin iodine concentrate compositions | |
| JPS5514346A (en) | Servo drive system | |
| BR9712448A (pt) | Indutor | |
| GB1071149A (en) | Improvements in and relating to welding wires for electric arc welding of steel in a protective gas atmosphere | |
| JPS535718A (en) | Control device for electric car | |
| JPS55130525A (en) | Bound preventing device of electromagnetical drive shutter | |
| JPS55160983A (en) | Controller for driving electric motor | |
| JPS5576578A (en) | Overdischarge-preventing circuit for battery | |
| JPS5260951A (en) | Differential protective relay for transformer | |
| FI932283A (fi) | Foerfarande foer reglering av svetsstroemmen vid ljusbaogssvetningsanordningar avhaengig av svetsningshastighet | |
| GB2022882A (en) | Motor Control Systems | |
| CS245741B1 (en) | Solution containing quinone namely photographic bleach liquid | |
| JPS531814A (en) | Control unit of induction motor | |
| SU930565A1 (ru) | Устройство дл управлени преобразователем посто нного напр жени с защитой от перегрузок по току | |
| Snijders et al. | RS Ophiuchi | |
| DE929137C (de) | Vorrichtung zum Sammeln von Energie eines abschaltbaren Fahrraddynamos waehrend der Fahrt | |
| JPS5238872A (en) | Solid state relay circuit | |
| JPS5762704A (en) | Car-operating chopper control deivce | |
| JPS5389114A (en) | Motor operated vehicle | |
| JPS53145014A (en) | Motor drive inverter control system | |
| DE430419C (de) | Schaltung fuer Umkehrbetriebe mit Drehstrom-Asynchronmotoren, insbesondere fuer Hubwerke bei Greiferkranen | |
| Mayaṅka | Jīvana ke sapane |